Datasheet
Table Of Contents
- Features
- Table of Contents
- 1. Configuration Summary
- 2. Ordering Information
- 3. Block Diagram
- 4. Pinout
- 5. Signal Descriptions List
- 6. I/O Multiplexing and Considerations
- 6.1. Multiplexed Signals
- 6.2. Other Functions
- 7. Power Supply and Start-Up Considerations
- 8. Product Memory Mapping Overview
- 9. Memories
- 10. Processor and Architecture
- 11. CMCC - Cortex M Cache Controller
- 11.1. Overview
- 11.2. Features
- 11.3. Block Diagram
- 11.4. Signal Description
- 11.5. Product Dependencies
- 11.6. Functional Description
- 11.7. DEBUG Mode
- 11.8. RAM Properties
- 11.9. Register Summary
- 11.10. Register Description
- 12. DSU - Device Service Unit
- 12.1. Overview
- 12.2. Features
- 12.3. Block Diagram
- 12.4. Signal Description
- 12.5. Product Dependencies
- 12.6. Debug Operation
- 12.7. Chip Erase
- 12.8. Programming
- 12.9. Intellectual Property Protection
- 12.10. Device Identification
- 12.11. Functional Description
- 12.11.1. Principle of Operation
- 12.11.2. Basic Operation
- 12.11.3. 32-bit Cyclic Redundancy Check CRC32
- 12.11.4. Debug Communication Channels
- 12.11.5. Debug Communication Channels DMA connection
- 12.11.6. Testing of On-Board Memories MBIST
- 12.11.7. System Services Availability when Accessed Externally and Device is Protected
- 12.12. Register Summary
- 12.13. Register Description
- 12.13.1. Control
- 12.13.2. Status A
- 12.13.3. Status B
- 12.13.4. Address
- 12.13.5. Length
- 12.13.6. Data
- 12.13.7. Debug Communication Channel x
- 12.13.8. Device Identification
- 12.13.9. Configuration
- 12.13.10. Device Configuration
- 12.13.11. CoreSight ROM Table Entry x
- 12.13.12. CoreSight ROM Table End
- 12.13.13. CoreSight ROM Table Memory Type
- 12.13.14. Peripheral Identification 4
- 12.13.15. Peripheral Identification 7
- 12.13.16. Peripheral Identification 6
- 12.13.17. Peripheral Identification 5
- 12.13.18. Peripheral Identification 0
- 12.13.19. Peripheral Identification 1
- 12.13.20. Peripheral Identification 2
- 12.13.21. Peripheral Identification 3
- 12.13.22. Component Identification 0
- 12.13.23. Component Identification 1
- 12.13.24. Component Identification 2
- 12.13.25. Component Identification 3
- 13. Clock System
- 14. GCLK - Generic Clock Controller
- 14.1. Overview
- 14.2. Features
- 14.3. Block Diagram
- 14.4. Signal Description
- 14.5. Product Dependencies
- 14.6. Functional Description
- 14.7. Register Summary
- 14.8. Register Description
- 15. MCLK – Main Clock
- 15.1. Overview
- 15.2. Features
- 15.3. Block Diagram
- 15.4. Signal Description
- 15.5. Product Dependencies
- 15.6. Functional Description
- 15.7. Register Summary
- 15.8. Register Description
- 16. RSTC – Reset Controller
- 17. RAMECC – RAM Error Correction Code (ECC)
- 18. PM – Power Manager
- 18.1. Overview
- 18.2. Features
- 18.3. Block Diagram
- 18.4. Signal Description
- 18.5. Product Dependencies
- 18.6. Functional Description
- 18.6.1. Terminology
- 18.6.2. Principle of Operation
- 18.6.3. Basic Operation
- 18.6.4. Advanced Features
- 18.6.5. DMA Operation
- 18.6.6. Interrupts
- 18.6.7. Events
- 18.6.8. Sleep Mode Operation
- 18.7. Register Summary
- 18.8. Register Description
- 19. SUPC – Supply Controller
- 19.1. Overview
- 19.2. Features
- 19.3. Block Diagram
- 19.4. Signal Description
- 19.5. Product Dependencies
- 19.6. Functional Description
- 19.6.1. Voltage Regulator System Operation
- 19.6.2. Voltage Reference System Operation
- 19.6.3. Battery Backup Power Switch
- 19.6.4. Output Pins
- 19.6.5. Brown-Out Detectors
- 19.6.6. Interrupts
- 19.6.7. Synchronization
- 19.7. Register Summary
- 19.8. Register Description
- 19.8.1. Interrupt Enable Clear
- 19.8.2. Interrupt Enable Set
- 19.8.3. Interrupt Flag Status and Clear
- 19.8.4. Status
- 19.8.5. 3.3V Brown-Out Detector (BOD33) Control
- 19.8.6. Voltage Regulator System (VREG) Control
- 19.8.7. Voltage References System (VREF) Control
- 19.8.8. Battery Backup Power Switch (BBPS) Control
- 19.8.9. Backup Output (BKOUT) Control
- 19.8.10. Backup Input (BKIN) Value
- 20. WDT – Watchdog Timer
- 20.1. Overview
- 20.2. Features
- 20.3. Block Diagram
- 20.4. Signal Description
- 20.5. Product Dependencies
- 20.6. Functional Description
- 20.7. Register Summary
- 20.8. Register Description
- 21. RTC – Real-Time Counter
- 21.1. Overview
- 21.2. Features
- 21.3. Block Diagram
- 21.4. Signal Description
- 21.5. Product Dependencies
- 21.6. Functional Description
- 21.7. Register Summary - Mode 0 - 32-Bit Counter
- 21.8. Register Description - Mode 0 - 32-Bit Counter
- 21.8.1. Control A in COUNT32 mode (CTRLA.MODE=0)
- 21.8.2. Control B in COUNT32 mode (CTRLA.MODE=0)
- 21.8.3. Event Control in COUNT32 mode (CTRLA.MODE=0)
- 21.8.4. Interrupt Enable Clear in COUNT32 mode (CTRLA.MODE=0)
- 21.8.5. Interrupt Enable Set in COUNT32 mode (CTRLA.MODE=0)
- 21.8.6. Interrupt Flag Status and Clear in COUNT32 mode (CTRLA.MODE=0)
- 21.8.7. Debug Control
- 21.8.8. Synchronization Busy in COUNT32 mode (CTRLA.MODE=0)
- 21.8.9. Frequency Correction
- 21.8.10. Counter Value in COUNT32 mode (CTRLA.MODE=0)
- 21.8.11. Compare n Value in COUNT32 mode (CTRLA.MODE=0)
- 21.8.12. General Purpose n
- 21.8.13. Tamper Control
- 21.8.14. Timestamp
- 21.8.15. Tamper ID
- 21.8.16. Backup n
- 21.9. Register Summary - Mode 1 - 16-Bit Counter
- 21.10. Register Description - Mode 1 - 16-Bit Counter
- 21.10.1. Control A in COUNT16 mode (CTRLA.MODE=1)
- 21.10.2. Control B in COUNT16 mode (CTRLA.MODE=1)
- 21.10.3. Event Control in COUNT16 mode (CTRLA.MODE=1)
- 21.10.4. Interrupt Enable Clear in COUNT16 mode (CTRLA.MODE=1)
- 21.10.5. Interrupt Enable Set in COUNT16 mode (CTRLA.MODE=1)
- 21.10.6. Interrupt Flag Status and Clear in COUNT16 mode (CTRLA.MODE=1)
- 21.10.7. Debug Control
- 21.10.8. Synchronization Busy in COUNT16 mode (CTRLA.MODE=1)
- 21.10.9. Frequency Correction
- 21.10.10. Counter Value in COUNT16 mode (CTRLA.MODE=1)
- 21.10.11. Counter Period in COUNT16 mode (CTRLA.MODE=1)
- 21.10.12. Compare n Value in COUNT16 mode (CTRLA.MODE=1)
- 21.10.13. General Purpose n
- 21.10.14. Tamper Control
- 21.10.15. Timestamp
- 21.10.16. Tamper ID
- 21.10.17. Backup n
- 21.11. Register Summary - Mode 2 - Clock/Calendar
- 21.12. Register Description - Mode 2 - Clock/Calendar
- 21.12.1. Control A in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.2. Control B in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.3. Event Control in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.4. Interrupt Enable Clear in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.5. Interrupt Enable Set in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.6. Interrupt Flag Status and Clear in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.7. Debug Control
- 21.12.8. Synchronization Busy in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.9. Frequency Correction
- 21.12.10. Clock Value in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.11. Alarm n Value in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.12. Alarm n Mask in Clock/Calendar mode (CTRLA.MODE=2)
- 21.12.13. General Purpose n
- 21.12.14. Tamper Control
- 21.12.15. Timestamp Value
- 21.12.16. Tamper ID
- 21.12.17. Backup n
- 22. DMAC – Direct Memory Access Controller
- 22.1. Overview
- 22.2. Features
- 22.3. Block Diagram
- 22.4. Signal Description
- 22.5. Product Dependencies
- 22.6. Functional Description
- 22.6.1. Principle of Operation
- 22.6.2. Basic Operation
- 22.6.3. Additional Features
- 22.6.3.1. Linked Descriptors
- 22.6.3.2. Transfer Quality of Service
- 22.6.3.3. Channel Suspend
- 22.6.3.4. Channel Resume and Next Suspend Skip
- 22.6.3.5. Event Input Actions
- 22.6.3.6. Event Output Selection
- 22.6.3.7. Aborting Transfers
- 22.6.3.8. CRC Operation
- 22.6.3.9. Memory CRC Generation
- 22.6.3.10. Memory CRC Monitor
- 22.6.4. DMA Operation
- 22.6.5. Interrupts
- 22.6.6. Events
- 22.6.7. Sleep Mode Operation
- 22.6.8. Synchronization
- 22.7. Register Summary
- 22.8. Register Description
- 22.8.1. Control
- 22.8.2. CRC Control
- 22.8.3. CRC Data Input
- 22.8.4. CRC Checksum
- 22.8.5. CRC Status
- 22.8.6. Debug Control
- 22.8.7. Software Trigger Control
- 22.8.8. Priority Control 0
- 22.8.9. Interrupt Pending
- 22.8.10. Interrupt Status
- 22.8.11. Busy Channels
- 22.8.12. Pending Channels
- 22.8.13. Active Channel and Levels
- 22.8.14. Descriptor Memory Section Base Address
- 22.8.15. Write-Back Memory Section Base Address
- 22.8.16. Channel Control A
- 22.8.17. Channel Control B
- 22.8.18. Channel Priority Level
- 22.8.19. Channel Event Control
- 22.8.20. Channel Interrupt Enable Clear
- 22.8.21. Channel Interrupt Enable Set
- 22.8.22. Channel Interrupt Flag Status and Clear
- 22.8.23. Channel Status
- 22.9. Register Summary - SRAM
- 22.10. Register Description - SRAM
- 23. EIC – External Interrupt Controller
- 23.1. Overview
- 23.2. Features
- 23.3. Block Diagram
- 23.4. Signal Description
- 23.5. Product Dependencies
- 23.6. Functional Description
- 23.7. Register Summary
- 23.8. Register Description
- 23.8.1. Control A
- 23.8.2. Non-Maskable Interrupt Control
- 23.8.3. Non-Maskable Interrupt Flag Status and Clear
- 23.8.4. Synchronization Busy
- 23.8.5. Event Control
- 23.8.6. Interrupt Enable Clear
- 23.8.7. Interrupt Enable Set
- 23.8.8. Interrupt Flag Status and Clear
- 23.8.9. External Interrupt Asynchronous Mode
- 23.8.10. External Interrupt Sense Configuration n
- 23.8.11. Debouncer Enable
- 23.8.12. Debouncer Prescaler
- 23.8.13. Pin State
- 24. GMAC - Ethernet MAC
- 24.1. Description
- 24.2. Features
- 24.3. Block Diagram
- 24.4. Signal Description
- 24.5. Product Dependencies
- 24.6. Functional Description
- 24.6.1. Media Access Controller
- 24.6.2. IEEE 1588 Time Stamp Unit
- 24.6.3. AHB Direct Memory Access Interface
- 24.6.4. MAC Transmit Block
- 24.6.5. MAC Receive Block
- 24.6.6. Checksum Offload for IP, TCP and UDP
- 24.6.7. MAC Filtering Block
- 24.6.8. Broadcast Address
- 24.6.9. Hash Addressing
- 24.6.10. Copy all Frames (Promiscuous Mode)
- 24.6.11. Disable Copy of Pause Frames
- 24.6.12. VLAN Support
- 24.6.13. Wake on LAN Support
- 24.6.14. IEEE 1588 Support
- 24.6.15. Time Stamp Unit
- 24.6.16. MAC 802.3 Pause Frame Support
- 24.6.17. Energy Efficient Ethernet Support
- 24.6.18. 802.1Qav Support - Credit-based Shaping
- 24.6.19. PHY Interface
- 24.6.20. 10/100 Operation
- 24.6.21. Jumbo Frames
- 24.7. Programming Interface
- 24.8. Register Summary
- 24.9. Register Description
- 24.9.1. GMAC Network Control Register
- 24.9.2. GMAC Network Configuration Register
- 24.9.3. GMAC Network Status Register
- 24.9.4. GMAC User Register
- 24.9.5. GMAC DMA Configuration Register
- 24.9.6. GMAC Transmit Status Register
- 24.9.7. GMAC Receive Buffer Queue Base Address Register
- 24.9.8. GMAC Transmit Buffer Queue Base Address Register
- 24.9.9. GMAC Receive Status Register
- 24.9.10. GMAC Interrupt Status Register
- 24.9.11. GMAC Interrupt Enable Register
- 24.9.12. GMAC Interrupt Disable Register
- 24.9.13. GMAC Interrupt Mask Register
- 24.9.14. GMAC PHY Maintenance Register
- 24.9.15. GMAC Receive Pause Quantum Register
- 24.9.16. GMAC Transmit Pause Quantum Register
- 24.9.17. GMAC TX Partial Store and Forward Register
- 24.9.18. GMAC RX Partial Store and Forward Register
- 24.9.19. GMAC RX Jumbo Frame Max Length Register
- 24.9.20. GMAC Hash Register Bottom
- 24.9.21. GMAC Hash Register Top
- 24.9.22. GMAC Specific Address n Bottom Register
- 24.9.23. GMAC Specific Address n Top Register
- 24.9.24. GMAC Type ID Match n Register
- 24.9.25. GMAC Wake on LAN Register
- 24.9.26. GMAC IPG Stretch Register
- 24.9.27. GMAC Stacked VLAN Register
- 24.9.28. GMAC Specific Address 1 Mask Bottom
- 24.9.29. GMAC Specific Address Mask 1 Top
- 24.9.30. GMAC 1588 Timer Nanosecond Comparison Register
- 24.9.31. GMAC 1588 Timer Second Comparison Low Register
- 24.9.32. GMAC 1588 Timer Second Comparison High Register
- 24.9.33. GMAC PTP Event Frame Transmitted Seconds High Register
- 24.9.34. GMAC PTP Event Frame Received Seconds High Register
- 24.9.35. GMAC PTP Peer Event Frame Transmitted Seconds High Register
- 24.9.36. GMAC PTP Peer Event Frame Received Seconds High Register
- 24.9.37. GMAC Octets Transmitted Low Register
- 24.9.38. GMAC Octets Transmitted High Register
- 24.9.39. GMAC Frames Transmitted
- 24.9.40. GMAC Broadcast Frames Transmitted Register
- 24.9.41. GMAC Multicast Frames Transmitted Register
- 24.9.42. GMAC Pause Frames Transmitted Register
- 24.9.43. GMAC 64 Byte Frames Transmitted Register
- 24.9.44. GMAC 65 to 127 Byte Frames Transmitted Register
- 24.9.45. GMAC 128 to 255 Byte Frames Transmitted Register
- 24.9.46. GMAC 256 to 511 Byte Frames Transmitted Register
- 24.9.47. GMAC 512 to 1023 Byte Frames Transmitted Register
- 24.9.48. GMAC 1024 to 1518 Byte Frames Transmitted Register
- 24.9.49. GMAC Greater Than 1518 Byte Frames Transmitted Register
- 24.9.50. GMAC Transmit Underruns Register
- 24.9.51. GMAC Single Collision Frames Register
- 24.9.52. GMAC Multiple Collision Frames Register
- 24.9.53. GMAC Excessive Collisions Register
- 24.9.54. GMAC Late Collisions Register
- 24.9.55. GMAC Deferred Transmission Frames Register
- 24.9.56. GMAC Carrier Sense Errors Register
- 24.9.57. GMAC Octets Received Low Register
- 24.9.58. GMAC Octets Received High Register
- 24.9.59. GMAC Frames Received Register
- 24.9.60. GMAC Broadcast Frames Received Register
- 24.9.61. GMAC Multicast Frames Received Register
- 24.9.62. GMAC Pause Frames Received Register
- 24.9.63. GMAC 64 Byte Frames Received Register
- 24.9.64. GMAC 65 to 127 Byte Frames Received Register
- 24.9.65. GMAC 128 to 255 Byte Frames Received Register
- 24.9.66. GMAC 256 to 511 Byte Frames Received Register
- 24.9.67. GMAC 512 to 1023 Byte Frames Received Register
- 24.9.68. GMAC 1024 to 1518 Byte Frames Received Register
- 24.9.69. GMAC 1519 to Maximum Byte Frames Received Register
- 24.9.70. GMAC Undersized Frames Received Register
- 24.9.71. GMAC Oversized Frames Received Register
- 24.9.72. GMAC Jabbers Received Register
- 24.9.73. GMAC Frame Check Sequence Errors Register
- 24.9.74. GMAC Length Field Frame Errors Register
- 24.9.75. GMAC Receive Symbol Errors Register
- 24.9.76. GMAC Alignment Errors Register
- 24.9.77. GMAC Receive Resource Errors Register
- 24.9.78. GMAC Receive Overruns Register
- 24.9.79. GMAC IP Header Checksum Errors Register
- 24.9.80. GMAC TCP Checksum Errors Register
- 24.9.81. GMAC UDP Checksum Errors Register
- 24.9.82. GMAC 1588 Timer Increment Sub-nanoseconds Register
- 24.9.83. GMAC 1588 Timer Seconds High Register
- 24.9.84. GMAC 1588 Timer Seconds Low Register
- 24.9.85. 1588 Timer Sync Strobe Seconds [31:0] Register
- 24.9.86. GMAC 1588 Timer Sync Strobe Nanoseconds Register
- 24.9.87. GMAC 1588 Timer Nanoseconds Register
- 24.9.88. GMAC 1588 Timer Adjust Register
- 24.9.89. GMAC IEEE 1588 Timer Increment Register
- 24.9.90. GMAC PTP Event Frame Transmitted Seconds Low Register
- 24.9.91. GMAC PTP Event Frame Transmitted Nanoseconds Register
- 24.9.92. GMAC PTP Event Frame Received Seconds Low Register
- 24.9.93. GMAC PTP Event Frame Received Nanoseconds Register
- 24.9.94. GMAC PTP Peer Event Frame Transmitted Seconds Low Register
- 24.9.95. GMAC PTP Peer Event Frame Transmitted Nanoseconds Register
- 24.9.96. GMAC PTP Peer Event Frame Received Seconds Low Register
- 24.9.97. GMAC PTP Peer Event Frame Received Nanoseconds Register
- 24.9.98. Received LPI Transitions
- 24.9.99. Received LPI Time
- 24.9.100. Transmit LPI Transitions
- 24.9.101. Transmit LPI Time
- 25. NVMCTRL – Nonvolatile Memory Controller
- 25.1. Overview
- 25.2. Features
- 25.3. Block Diagram
- 25.4. Signal Description
- 25.5. Product Dependencies
- 25.6. Functional Description
- 25.6.1. Principle of Operation
- 25.6.2. Memory Organization
- 25.6.3. Memory Bank Swapping
- 25.6.4. AHBMUX Arbitration
- 25.6.5. Region Lock Bits
- 25.6.6. Command and Data Interface
- 25.6.7. Safe Flash Update Using Dual Banks
- 25.6.8. SmartEEPROM
- 25.6.9. NVM User Configuration
- 25.6.10. Security Bit
- 25.6.11. Line Cache
- 25.6.12. Error Correction Code (ECC)
- 25.6.13. Reset During Operation
- 25.6.14. Chip Erase
- 25.7. Register Summary
- 25.8. Register Description
- 25.8.1. Control A
- 25.8.2. Control B
- 25.8.3. NVM Parameter
- 25.8.4. Interrupt Enable Clear
- 25.8.5. Interrupt Enable Set
- 25.8.6. Interrupt Flag Status and Clear
- 25.8.7. Status
- 25.8.8. Address
- 25.8.9. Lock Section
- 25.8.10. Page Buffer Load Data x
- 25.8.11. ECC Error Status
- 25.8.12. Debug Control
- 25.8.13. SmartEEPROM Configuration
- 25.8.14. SmartEEPROM Status
- 26. ICM - Integrity Check Monitor
- 26.1. Overview
- 26.2. Features
- 26.3. Block Diagram
- 26.4. Signal Description
- 26.5. Product Dependencies
- 26.6. Functional Description
- 26.7. Register Summary - ICM
- 26.8. Register Description
- 26.8.1. Configuration Register
- 26.8.2. Control Register
- 26.8.3. Status Register
- 26.8.4. Interrupt Enable Register
- 26.8.5. Interrupt Disable Register
- 26.8.6. Interrupt Mask Register
- 26.8.7. Interrupt Status Register
- 26.8.8. Undefined Access Status Register
- 26.8.9. Descriptor Area Start Address Register
- 26.8.10. Hash Area Start Address Register
- 26.8.11. User Initial Hash Value Register
- 27. PAC - Peripheral Access Controller
- 27.1. Overview
- 27.2. Features
- 27.3. Block Diagram
- 27.4. Product Dependencies
- 27.5. Functional Description
- 27.6. Register Summary
- 27.7. Register Description
- 27.7.1. Write Control
- 27.7.2. Event Control
- 27.7.3. Interrupt Enable Clear
- 27.7.4. Interrupt Enable Set
- 27.7.5. Bridge Interrupt Flag Status
- 27.7.6. Peripheral Interrupt Flag Status - Bridge A
- 27.7.7. Peripheral Interrupt Flag Status - Bridge B
- 27.7.8. Peripheral Interrupt Flag Status - Bridge C
- 27.7.9. Peripheral Interrupt Flag Status - Bridge D
- 27.7.10. Peripheral Write Protection Status A
- 27.7.11. Peripheral Write Protection Status - Bridge B
- 27.7.12. Peripheral Write Protection Status - Bridge C
- 27.7.13. Peripheral Write Protection Status - Bridge D
- 28. OSCCTRL – Oscillators Controller
- 28.1. Overview
- 28.2. Features
- 28.3. Block Diagram
- 28.4. Signal Description
- 28.5. Product Dependencies
- 28.6. Functional Description
- 28.6.1. Principle of Operation
- 28.6.2. External Multipurpose Crystal Oscillator (XOSCn) Operation
- 28.6.3. Clock Failure Detection Operation
- 28.6.4. Digital Frequency Locked Loop (DFLL48M) Operation
- 28.6.5. Digital Phase Locked Loop (DPLL) Operation
- 28.6.6. DMA Operation
- 28.6.7. Interrupts
- 28.6.8. Events
- 28.6.9. Synchronization
- 28.7. Register Summary
- 28.8. Register Description
- 28.8.1. Event Control
- 28.8.2. Interrupt Enable Clear
- 28.8.3. Interrupt Enable Set
- 28.8.4. Interrupt Flag Status and Clear
- 28.8.5. Status
- 28.8.6. External Multipurpose Crystal Oscillator Control
- 28.8.7. DFLL48M Control A
- 28.8.8. DFLL48M Control B
- 28.8.9. DFLL48M Value
- 28.8.10. DFLL48M Multiplier
- 28.8.11. DFLL48M Synchronization
- 28.8.12. DPLL Control A
- 28.8.13. DPLL Ratio Control
- 28.8.14. DPLL Control B
- 28.8.15. DPLL Synchronization Busy
- 28.8.16. DPLL Status
- 29. OSC32KCTRL – 32KHz Oscillators Controller
- 29.1. Overview
- 29.2. Features
- 29.3. Block Diagram
- 29.4. Signal Description
- 29.5. Product Dependencies
- 29.6. Functional Description
- 29.6.1. Principle of Operation
- 29.6.2. 32 kHz External Crystal Oscillator (XOSC32K) Operation
- 29.6.3. Clock Failure Detection Operation
- 29.6.4. 32 kHz Ultra Low-Power Internal Oscillator (OSCULP32K) Operation
- 29.6.5. Watchdog Timer Clock Selection
- 29.6.6. Real-Time Counter Clock Selection
- 29.6.7. Interrupts
- 29.6.8. Events
- 29.7. Register Summary
- 29.8. Register Description
- 29.8.1. Interrupt Enable Clear
- 29.8.2. Interrupt Enable Set
- 29.8.3. Interrupt Flag Status and Clear
- 29.8.4. Status
- 29.8.5. RTC Clock Selection Control
- 29.8.6. 32KHz External Crystal Oscillator (XOSC32K) Control
- 29.8.7. Clock Failure Detector Control
- 29.8.8. Event Control
- 29.8.9. 32KHz Ultra Low Power Internal Oscillator (OSCULP32K) Control
- 30. FREQM – Frequency Meter
- 31. EVSYS – Event System
- 31.1. Overview
- 31.2. Features
- 31.3. Block Diagram
- 31.4. Product Dependencies
- 31.5. Functional Description
- 31.5.1. Principle of Operation
- 31.5.2. Basic Operation
- 31.5.2.1. Initialization
- 31.5.2.2. Enabling, Disabling, and Resetting
- 31.5.2.3. User Multiplexer Setup
- 31.5.2.4. Event System Channel
- 31.5.2.5. Event Generators
- 31.5.2.6. Channel Path
- 31.5.2.7. Edge Detection
- 31.5.2.8. Event Latency
- 31.5.2.9. The Overrun Channel n Interrupt
- 31.5.2.10. The Event Detected Channel n Interrupt
- 31.5.2.11. Channel Status
- 31.5.2.12. Software Event
- 31.5.2.13. Interrupt Status and Interrupts Arbitration
- 31.5.3. Interrupts
- 31.5.4. Sleep Mode Operation
- 31.6. Register Summary
- 31.7. Register Description
- 31.7.1. Control A
- 31.7.2. Software Event
- 31.7.3. Priority Control
- 31.7.4. Channel Pending Interrupt
- 31.7.5. Interrupt Status
- 31.7.6. Busy Channels
- 31.7.7. Ready Users
- 31.7.8. Channel n Control
- 31.7.9. Channel n Interrupt Enable Clear
- 31.7.10. Channel n Interrupt Enable Set
- 31.7.11. Channel n Interrupt Flag Status and Clear
- 31.7.12. Channel n Status
- 31.7.13. Event User m
- 32. PORT - I/O Pin Controller
- 32.1. Overview
- 32.2. Features
- 32.3. Block Diagram
- 32.4. Signal Description
- 32.5. Product Dependencies
- 32.6. Functional Description
- 32.7. Register Summary
- 32.8. Register Description
- 32.8.1. Data Direction
- 32.8.2. Data Direction Clear
- 32.8.3. Data Direction Set
- 32.8.4. Data Direction Toggle
- 32.8.5. Data Output Value
- 32.8.6. Data Output Value Clear
- 32.8.7. Data Output Value Set
- 32.8.8. Data Output Value Toggle
- 32.8.9. Data Input Value
- 32.8.10. Control
- 32.8.11. Write Configuration
- 32.8.12. Event Input Control
- 32.8.13. Peripheral Multiplexing n
- 32.8.14. Pin Configuration
- 33. SERCOM – Serial Communication Interface
- 33.1. Overview
- 33.2. Features
- 33.3. Block Diagram
- 33.4. Signal Description
- 33.5. Product Dependencies
- 33.6. Functional Description
- 34. SERCOM USART - SERCOM Synchronous and Asynchronous Receiver and Transmitter
- 34.1. Overview
- 34.2. USART Features
- 34.3. Block Diagram
- 34.4. Signal Description
- 34.5. Product Dependencies
- 34.6. Functional Description
- 34.6.1. Principle of Operation
- 34.6.2. Basic Operation
- 34.6.3. Additional Features
- 34.6.3.1. Parity
- 34.6.3.2. Hardware Handshaking
- 34.6.3.3. IrDA Modulation and Demodulation
- 34.6.3.4. Break Character Detection and Auto-Baud/LIN Slave
- 34.6.3.5. LIN Master
- 34.6.3.6. RS485
- 34.6.3.7. ISO 7816 for Smart Card Interfacing
- 34.6.3.8. Collision Detection
- 34.6.3.9. Loop-Back Mode
- 34.6.3.10. Start-of-Frame Detection
- 34.6.3.11. Sample Adjustment
- 34.6.3.12. 32-bit Extension
- 34.6.4. DMA, Interrupts and Events
- 34.6.5. Sleep Mode Operation
- 34.6.6. Synchronization
- 34.7. Register Summary
- 34.8. Register Description
- 34.8.1. Control A
- 34.8.2. Control B
- 34.8.3. Control C
- 34.8.4. Baud
- 34.8.5. Receive Pulse Length Register
- 34.8.6. Interrupt Enable Clear
- 34.8.7. Interrupt Enable Set
- 34.8.8. Interrupt Flag Status and Clear
- 34.8.9. Status
- 34.8.10. Synchronization Busy
- 34.8.11. Receive Error Count
- 34.8.12. Length
- 34.8.13. Data
- 34.8.14. Debug Control
- 35. SERCOM SPI – SERCOM Serial Peripheral Interface
- 35.1. Overview
- 35.2. Features
- 35.3. Block Diagram
- 35.4. Signal Description
- 35.5. Product Dependencies
- 35.6. Functional Description
- 35.7. Register Summary
- 35.8. Register Description
- 36. SERCOM I2C – Inter-Integrated Circuit
- 36.1. Overview
- 36.2. Features
- 36.3. Block Diagram
- 36.4. Signal Description
- 36.5. Product Dependencies
- 36.6. Functional Description
- 36.6.1. Principle of Operation
- 36.6.2. Basic Operation
- 36.6.2.1. Initialization
- 36.6.2.2. Enabling, Disabling, and Resetting
- 36.6.2.3. I2C Bus State Logic
- 36.6.2.4. I2C Master Operation
- 36.6.2.5. I2C Slave Operation
- 36.6.3. Additional Features
- 36.6.4. DMA, Interrupts and Events
- 36.6.5. Sleep Mode Operation
- 36.6.6. Synchronization
- 36.7. Register Summary - I2C Slave
- 36.8. Register Description - I2C Slave
- 36.9. Register Summary - I2C Master
- 36.10. Register Description - I2C Master
- 37. QSPI - Quad Serial Peripheral Interface
- 37.1. Overview
- 37.2. Features
- 37.3. Block Diagram
- 37.4. Signal Description
- 37.5. Product Dependencies
- 37.6. Functional Description
- 37.6.1. Principle of Operation
- 37.6.2. Basic Operation
- 37.6.3. Transfer Data Rate
- 37.6.4. Serial Clock Baudrate
- 37.6.5. Serial Clock Phase and Polarity
- 37.6.6. Transfer Delays
- 37.6.7. QSPI SPI Mode
- 37.6.8. QSPI Serial Memory Mode
- 37.6.9. Scrambling/Unscrambling Function
- 37.6.10. DMA Operation
- 37.6.11. Interrupts
- 37.7. Register Summary
- 37.8. Register Description
- 37.8.1. Control A
- 37.8.2. Control B
- 37.8.3. Baud Rate
- 37.8.4. Receive Data
- 37.8.5. Transmit Data
- 37.8.6. Interrupt Enable Clear
- 37.8.7. Interrupt Enable Set
- 37.8.8. Interrupt Flag Status and Clear
- 37.8.9. Status
- 37.8.10. Instruction Address
- 37.8.11. Instruction Code
- 37.8.12. Instruction Frame
- 37.8.13. Scrambling Mode
- 37.8.14. Scrambling Key
- 38. USB – Universal Serial Bus
- 38.1. Overview
- 38.2. Features
- 38.3. USB Block Diagram
- 38.4. Signal Description
- 38.5. Product Dependencies
- 38.6. Functional Description
- 38.6.1. USB General Operation
- 38.6.2. USB Device Operations
- 38.6.2.1. Initialization
- 38.6.2.2. Endpoint Configuration
- 38.6.2.3. Multi-Packet Transfers
- 38.6.2.4. USB Reset
- 38.6.2.5. Start-of-Frame
- 38.6.2.6. Management of SETUP Transactions
- 38.6.2.7. Management of OUT Transactions
- 38.6.2.8. Multi-Packet Transfers for OUT Endpoint
- 38.6.2.9. Management of IN Transactions
- 38.6.2.10. Multi-Packet Transfers for IN Endpoint
- 38.6.2.11. Ping-Pong Operation
- 38.6.2.12. Feedback Operation
- 38.6.2.13. Suspend State and Pad Behavior
- 38.6.2.14. Remote Wakeup
- 38.6.2.15. Link Power Management L1 (LPM-L1) Suspend State Entry and Exit as Device
- 38.6.2.16. USB Device Interrupt
- 38.6.3. Host Operations
- 38.6.3.1. Device Detection and Disconnection
- 38.6.3.2. Host Terminology
- 38.6.3.3. USB Reset
- 38.6.3.4. Pipe Configuration
- 38.6.3.5. Pipe Activation
- 38.6.3.6. Pipe Address Setup
- 38.6.3.7. Suspend and Wakeup
- 38.6.3.8. Phase-locked SOFs
- 38.6.3.9. Management of Control Pipes
- 38.6.3.10. Management of IN Pipes
- 38.6.3.11. Management of OUT Pipes
- 38.6.3.12. Alternate Pipe
- 38.6.3.13. Data Flow Error
- 38.6.3.14. CRC Error
- 38.6.3.15. PERR Error
- 38.6.3.16. Link Power Management L1 (LPM-L1) Suspend State Entry and Exit as Host.
- 38.6.3.17. Host Interrupt
- 38.7. Register Summary
- 38.8. Register Description
- 38.8.1. Communication Device Host Registers
- 38.8.2. Device Registers - Common
- 38.8.3. Device Registers - Endpoint
- 38.8.4. Device Registers - Endpoint RAM
- 38.8.5. Host Registers - Common
- 38.8.6. Host Registers - Pipe
- 38.8.6.1. Host Pipe n Configuration
- 38.8.6.2. Interval for the Bulk-Out/Ping Transaction
- 38.8.6.3. Pipe Status Clear n
- 38.8.6.4. Pipe Status Set Register n
- 38.8.6.5. Pipe Status Register n
- 38.8.6.6. Host Pipe Interrupt Flag Register
- 38.8.6.7. Host Pipe Interrupt Clear Register
- 38.8.6.8. Host Interrupt Pipe Set Register
- 38.8.7. Host Registers - Pipe RAM
- 39. CAN - Control Area Network
- 39.1. Overview
- 39.2. Features
- 39.3. Block Diagram
- 39.4. Signal Description
- 39.5. Product Dependencies
- 39.6. Functional Description
- 39.7. Register Summary
- 39.8. Register Description
- 39.8.1. Core Release
- 39.8.2. Endian
- 39.8.3. Message RAM Configuration
- 39.8.4. Data Bit Timing and Prescaler
- 39.8.5. Test
- 39.8.6. RAM Watchdog
- 39.8.7. CC Control
- 39.8.8. Nominal Bit Timing and Prescaler
- 39.8.9. Timestamp Counter Configuration
- 39.8.10. Timestamp Counter Value
- 39.8.11. Timeout Counter Configuration
- 39.8.12. Timeout Counter Value
- 39.8.13. Error Counter
- 39.8.14. Protocol Status
- 39.8.15. Transmitter Delay Compensation
- 39.8.16. Interrupt
- 39.8.17. Interrupt Enable
- 39.8.18. Interrupt Line Select
- 39.8.19. Interrupt Line Enable
- 39.8.20. Global Filter Configuration
- 39.8.21. Standard ID Filter Configuration
- 39.8.22. Extended ID Filter Configuration
- 39.8.23. Extended ID AND Mask
- 39.8.24. High Priority Message Status
- 39.8.25. New Data 1
- 39.8.26. New Data 2
- 39.8.27. Rx FIFO 0 Configuration
- 39.8.28. Rx FIFO 0 Status
- 39.8.29. Rx FIFO 0 Acknowledge
- 39.8.30. Rx Buffer Configuration
- 39.8.31. Rx FIFO 1 Configuration
- 39.8.32. Rx FIFO 1 Status
- 39.8.33. Rx FIFO 1 Acknowledge
- 39.8.34. Rx Buffer / FIFO Element Size Configuration
- 39.8.35. Tx Buffer Configuration
- 39.8.36. Tx FIFO/Queue Status
- 39.8.37. Tx Buffer Element Size Configuration
- 39.8.38. Tx Buffer Request Pending
- 39.8.39. Tx Buffer Add Request
- 39.8.40. Tx Buffer Cancellation Request
- 39.8.41. Tx Buffer Transmission Occurred
- 39.8.42. Tx Buffer Cancellation Finished
- 39.8.43. Tx Buffer Transmission Interrupt Enable
- 39.8.44. Tx Buffer Cancellation Finished Interrupt Enable
- 39.8.45. Tx Event FIFO Configuration
- 39.8.46. Tx Event FIFO Status
- 39.8.47. Tx Event FIFO Acknowledge
- 39.9. Message RAM
- 40. SD/MMC Host Controller (SDHC)
- 40.1. Overview
- 40.2. Features
- 40.3. Block Diagrams
- 40.4. Signal Description
- 40.5. Product Dependencies
- 40.6. Functional Description
- 40.7. Register Summary
- 40.8. Register Description
- 40.8.1. SDMA System Address / Argument 2 Register
- 40.8.2. Block Size Register
- 40.8.3. Block Count Register
- 40.8.4. Argument 1 Register
- 40.8.5. Transfer Mode Register
- 40.8.6. Command Register
- 40.8.7. Response Register n
- 40.8.8. Buffer Data Port Register
- 40.8.9. Present State Register
- 40.8.10. Host Control 1 Register
- 40.8.11. Power Control Register
- 40.8.12. Block Gap Control Register
- 40.8.13. Wakeup Control Register: SD/SDIO
- 40.8.14. Clock Control Register
- 40.8.15. Timeout Control Register
- 40.8.16. Software Reset Register
- 40.8.17. Normal Interrupt Status Register
- 40.8.18. Error Interrupt Status Register
- 40.8.19. Normal Interrupt Status Enable Register: e.MMC
- 40.8.20. Error Interrupt Status Enable Register
- 40.8.21. Normal Interrupt Signal Enable Register
- 40.8.22. Error Interrupt Signal Enable Register
- 40.8.23. Auto CMD Error Status Register
- 40.8.24. Host Control 2 Register: e.MMC
- 40.8.25. Host Control 2 Register: SD/SDIO
- 40.8.26. Capabilities 0 Register
- 40.8.27. Capabilities 1 Register
- 40.8.28. Maximum Current Capabilities Register
- 40.8.29. Force Event Register for Auto CMD Error Status
- 40.8.30. Force Event Register for Error Interrupt Status
- 40.8.31. ADMA Error Status Register
- 40.8.32. ADMA System Address Register
- 40.8.33. Preset Value Register
- 40.8.34. Slot Interrupt Status Register
- 40.8.35. Host Controller Version Register
- 40.8.36. Additional Present State Register
- 40.8.37. e.MMC Control 1 Register
- 40.8.38. e.MMC Control 2 Register
- 40.8.39. AHB Control Register
- 40.8.40. Clock Control 2 Register
- 40.8.41. Capabilities Control Register
- 40.8.42. Debug Register
- 41. CCL – Configurable Custom Logic
- 42. AES – Advanced Encryption Standard
- 42.1. Overview
- 42.2. Features
- 42.3. Block Diagram
- 42.4. Signal Description
- 42.5. Product Dependencies
- 42.6. Functional Description
- 42.7. Register Summary
- 42.8. Register Description
- 42.8.1. Control A
- 42.8.2. Control B
- 42.8.3. Interrupt Enable Clear
- 42.8.4. Interrupt Enable Set
- 42.8.5. Interrupt Flag Status and Clear
- 42.8.6. Data Buffer Pointer
- 42.8.7. Debug
- 42.8.8. Keyword
- 42.8.9. Data
- 42.8.10. Initialization Vector Register
- 42.8.11. Hash Key (GCM mode only)
- 42.8.12. Galois Hash (GCM mode only)
- 42.8.13. Galois Hash x (GCM mode only)
- 42.8.14. Random Seed
- 43. Public Key Cryptography Controller (PUKCC)
- 43.1. Overview
- 43.2. Product Dependencies
- 43.3. Functional Description
- 43.3.1. Public Key Cryptography Library (PUKCL) Application Programming Interface (API)
- 43.3.2. PUKCL Features
- 43.3.3. PUCKL Usage
- 43.3.4. Basic Arithmetic and Cryptographic Services
- 43.3.4.1. SelfTest
- 43.3.4.2. Clear Flags
- 43.3.4.3. Swap
- 43.3.4.4. Fill
- 43.3.4.5. Fast Copy/Clear
- 43.3.4.6. Conditional Copy/Clear
- 43.3.4.7. Small Multiply, Add, Subtract, Exclusive OR
- 43.3.4.8. Compare
- 43.3.4.9. Full Multiply
- 43.3.4.9.1. Purpose
- 43.3.4.9.2. How to Use the Service
- 43.3.4.9.3. Description
- 43.3.4.9.4. Parameters Definition
- 43.3.4.9.5. Available Options
- 43.3.4.9.6. Code Example
- 43.3.4.9.7. Important Considerations for Modular Reduction of a Fmult Computation Result
- 43.3.4.9.8. Constraints
- 43.3.4.9.9. Status Returned Values
- 43.3.4.10. Square
- 43.3.4.10.1. Purpose
- 43.3.4.10.2. How to Use the Service
- 43.3.4.10.3. Description
- 43.3.4.10.4. Parameters Definition
- 43.3.4.10.5. Available Options
- 43.3.4.10.6. Code Example
- 43.3.4.10.7. Important Considerations for Modular Reduction of a Square Computation
- 43.3.4.10.8. Constraints
- 43.3.4.10.9. Multiplication without Accumulation or Subtraction
- 43.3.4.10.10. Status Returned Values
- 43.3.4.11. Integral (Euclidean) Division
- 43.3.4.12. GCD, Modular Inverse
- 43.3.4.13. Get Random Number
- 43.3.4.13.1. Purpose
- 43.3.4.13.2. How to Use the Service
- 43.3.4.13.3. Description
- 43.3.4.13.4. Generation of a Random Number from the Deterministic RNG
- 43.3.4.13.5. Hardware RNG Parameters Definition
- 43.3.4.13.6. Deterministic RNG Parameters Definition
- 43.3.4.13.7. Options
- 43.3.4.13.8. Code Example
- 43.3.4.13.9. Constraints
- 43.3.4.13.10. Status Returned Values
- 43.3.5. Modular Arithmetic Services
- 43.3.5.1. Modular Reduction
- 43.3.5.1.1. Purpose
- 43.3.5.1.2. How to Use the Service
- 43.3.5.1.3. Description
- 43.3.5.1.4. Modular Reduction Setup
- 43.3.5.1.5. Fast Reductions and Normalization
- 43.3.5.1.6. Big Modular Reduction Using Euclide's Division
- 43.3.5.1.7. Modular Reductions Service Parameters Definition
- 43.3.5.1.8. Fast Modular Reductions Service Parameters Definition
- 43.3.5.1.9. Big Modular Reduction Parameters Definition
- 43.3.5.1.10. Options
- 43.3.5.1.11. Code Example
- 43.3.5.1.12. Constraints
- 43.3.5.1.13. Status Returned Values
- 43.3.5.2. Modular Exponentiation (Without CRT)
- 43.3.5.3. Probable Prime Generation (Using Rabin-Miller)
- 43.3.5.4. Modular Exponentiation (With CRT)
- 43.3.5.4.1. Purpose
- 43.3.5.4.2. How to Use the Service
- 43.3.5.4.3. Description
- 43.3.5.4.4. Parameters Definition
- 43.3.5.4.5. Options
- 43.3.5.4.6. Code Example
- 43.3.5.4.7. Constraints
- 43.3.5.4.8. CRT Service Parameter Placement
- 43.3.5.4.9. CRT Service Modular Exponentiation Maximum Size
- 43.3.5.4.10. Status Returned Values
- 43.3.5.1. Modular Reduction
- 43.3.6. Elliptic Curves Over GF(p) Services
- 43.3.6.1. Coordinate Systems
- 43.3.6.2. Point Addition
- 43.3.6.3. Point Addition and Subtraction
- 43.3.6.4. Fast Point Doubling
- 43.3.6.5. Fast Multiplying by a Scalar Number of a Point
- 43.3.6.6. Quick Dual Multiplying by Two Scalar Numbers and Two Points
- 43.3.6.7. Projective to Affine Coordinates Conversion
- 43.3.6.8. Affine to Projective Coordinates Conversion
- 43.3.6.9. Randomize a Coordinate
- 43.3.6.10. Point is on Elliptic Curve
- 43.3.6.11. Generating an ECDSA Signature (Compliant with FIPS 186-2)
- 43.3.6.12. Verifying an ECDSA Signature (Compliant with FIPS186-2)
- 43.3.6.13. Quick Verifying an ECDSA Signature (Compliant with FIPS 186-2)
- 43.3.7. Elliptic Curves Over GF(2n) Services
- 43.3.7.1. Parameters Format
- 43.3.7.2. Point Addition
- 43.3.7.3. Point Doubling
- 43.3.7.4. Scalar Point Multiply
- 43.3.7.5. Projective to Affine Coordinates Conversion
- 43.3.7.6. Affine to Projective Coordinates Conversion
- 43.3.7.7. Randomize Coordinate
- 43.3.7.8. Point is on Elliptic Curve
- 43.3.7.9. Generating an ECDSA Signature (Compliant with FIPS 186-2)
- 43.3.7.10. Verifying an ECDSA Signature (Compliant with FIPS 186-2)
- 43.3.8. PUKCL Requirements and Performance
- 44. TRNG – True Random Number Generator
- 45. ADC – Analog-to-Digital Converter
- 45.1. Overview
- 45.2. Features
- 45.3. Block Diagram
- 45.4. Signal Description
- 45.5. Product Dependencies
- 45.6. Functional Description
- 45.6.1. Principle of Operation
- 45.6.2. Basic Operation
- 45.6.2.1. Initialization
- 45.6.2.2. Enabling, Disabling, and Resetting
- 45.6.2.3. Operation
- 45.6.2.4. Prescaler Selection
- 45.6.2.5. Reference Configuration
- 45.6.2.6. ADC Resolution
- 45.6.2.7. Differential and Single-Ended Conversions
- 45.6.2.8. Conversion Timing and Sampling Rate
- 45.6.2.9. Accumulation
- 45.6.2.10. Averaging
- 45.6.2.11. Oversampling and Decimation
- 45.6.2.12. Window Monitor
- 45.6.2.13. Offset and Gain Correction
- 45.6.3. Additional Features
- 45.6.4. DMA Operation
- 45.6.5. Interrupts
- 45.6.6. Events
- 45.6.7. Sleep Mode Operation
- 45.6.8. Synchronization
- 45.7. Register Summary
- 45.8. Register Description
- 45.8.1. Control A
- 45.8.2. Event Control
- 45.8.3. Debug Control
- 45.8.4. Input Control
- 45.8.5. Control B
- 45.8.6. Reference Control
- 45.8.7. Average Control
- 45.8.8. Sampling Time Control
- 45.8.9. Window Monitor Lower Threshold
- 45.8.10. Window Monitor Upper Threshold
- 45.8.11. Gain Correction
- 45.8.12. Offset Correction
- 45.8.13. Software Trigger
- 45.8.14. Interrupt Enable Clear
- 45.8.15. Interrupt Enable Set
- 45.8.16. Interrupt Flag Status and Clear
- 45.8.17. STATUS
- 45.8.18. Synchronization Busy
- 45.8.19. DSEQDATA
- 45.8.20. DSEQCTRL
- 45.8.21. DSEQSTAT
- 45.8.22. Result
- 45.8.23. RESS
- 45.8.24. Calibration
- 46. AC – Analog Comparators
- 46.1. Overview
- 46.2. Features
- 46.3. Block Diagram
- 46.4. Signal Description
- 46.5. Product Dependencies
- 46.6. Functional Description
- 46.6.1. Principle of Operation
- 46.6.2. Basic Operation
- 46.6.3. Selecting Comparator Inputs
- 46.6.4. Window Operation
- 46.6.5. VDD Scaler
- 46.6.6. Input Hysteresis
- 46.6.7. Filtering
- 46.6.8. Comparator Output
- 46.6.9. Offset Compensation
- 46.6.10. DMA Operation
- 46.6.11. Interrupts
- 46.6.12. Events
- 46.6.13. Sleep Mode Operation
- 46.6.14. Synchronization
- 46.7. Register Summary
- 46.8. Register Description
- 46.8.1. Control A
- 46.8.2. Control B
- 46.8.3. Event Control
- 46.8.4. Interrupt Enable Clear
- 46.8.5. Interrupt Enable Set
- 46.8.6. Interrupt Flag Status and Clear
- 46.8.7. Status A
- 46.8.8. Status B
- 46.8.9. Debug Control
- 46.8.10. Window Control
- 46.8.11. Scaler n
- 46.8.12. Comparator Control n
- 46.8.13. Synchronization Busy
- 46.8.14. Calibration Register
- 47. DAC – Digital-to-Analog Converter
- 47.1. Overview
- 47.2. Features
- 47.3. Block Diagram
- 47.4. Signal Description
- 47.5. Product Dependencies
- 47.6. Functional Description
- 47.7. Register Summary
- 47.8. Register Description
- 47.8.1. Control A
- 47.8.2. Control B
- 47.8.3. Event Control
- 47.8.4. Interrupt Enable Clear
- 47.8.5. Interrupt Enable Set
- 47.8.6. Interrupt Flag Status and Clear
- 47.8.7. Status
- 47.8.8. Synchronization Busy
- 47.8.9. DAC0 Control
- 47.8.10. DAC1 Control
- 47.8.11. Data DAC0
- 47.8.12. Data DAC1
- 47.8.13. Data Buffer DAC0
- 47.8.14. Data Buffer DAC1
- 47.8.15. Debug Control
- 47.8.16. Result 0
- 47.8.17. Result 1
- 48. TC – Timer/Counter
- 48.1. Overview
- 48.2. Features
- 48.3. Block Diagram
- 48.4. Signal Description
- 48.5. Product Dependencies
- 48.6. Functional Description
- 48.6.1. Principle of Operation
- 48.6.2. Basic Operation
- 48.6.3. Additional Features
- 48.6.4. DMA Operation
- 48.6.5. Interrupts
- 48.6.6. Events
- 48.6.7. Sleep Mode Operation
- 48.6.8. Synchronization
- 48.7. Register Description
- 48.7.1. Register Summary - 8-bit Mode
- 48.7.1.1. Control A
- 48.7.1.2. Control B Clear
- 48.7.1.3. Control B Set
- 48.7.1.4. Event Control
- 48.7.1.5. Interrupt Enable Clear
- 48.7.1.6. Interrupt Enable Set
- 48.7.1.7. Interrupt Flag Status and Clear
- 48.7.1.8. Status
- 48.7.1.9. Waveform Generation Control
- 48.7.1.10. Driver Control
- 48.7.1.11. Debug Control
- 48.7.1.12. Synchronization Busy
- 48.7.1.13. Counter Value, 8-bit Mode
- 48.7.1.14. Period Value, 8-bit Mode
- 48.7.1.15. Channel x Compare/Capture Value, 8-bit Mode
- 48.7.1.16. Period Buffer Value, 8-bit Mode
- 48.7.1.17. Channel x Compare Buffer Value, 8-bit Mode
- 48.7.2. Register Summary - 16-bit Mode
- 48.7.2.1. Control A
- 48.7.2.2. Control B Clear
- 48.7.2.3. Control B Set
- 48.7.2.4. Event Control
- 48.7.2.5. Interrupt Enable Clear
- 48.7.2.6. Interrupt Enable Set
- 48.7.2.7. Interrupt Flag Status and Clear
- 48.7.2.8. Status
- 48.7.2.9. Waveform Generation Control
- 48.7.2.10. Driver Control
- 48.7.2.11. Debug Control
- 48.7.2.12. Synchronization Busy
- 48.7.2.13. Counter Value, 16-bit Mode
- 48.7.2.14. Channel x Compare/Capture Value, 16-bit Mode
- 48.7.2.15. Channel x Compare Buffer Value, 16-bit Mode
- 48.7.3. Register Summary - 32-bit Mode
- 48.7.3.1. Control A
- 48.7.3.2. Control B Clear
- 48.7.3.3. Control B Set
- 48.7.3.4. Event Control
- 48.7.3.5. Interrupt Enable Clear
- 48.7.3.6. Interrupt Enable Set
- 48.7.3.7. Interrupt Flag Status and Clear
- 48.7.3.8. Status
- 48.7.3.9. Waveform Generation Control
- 48.7.3.10. Driver Control
- 48.7.3.11. Debug Control
- 48.7.3.12. Synchronization Busy
- 48.7.3.13. Counter Value, 32-bit Mode
- 48.7.3.14. Channel x Compare/Capture Value, 32-bit Mode
- 48.7.3.15. Channel x Compare Buffer Value, 32-bit Mode
- 48.7.1. Register Summary - 8-bit Mode
- 49. TCC – Timer/Counter for Control Applications
- 49.1. Overview
- 49.2. Features
- 49.3. Block Diagram
- 49.4. Signal Description
- 49.5. Product Dependencies
- 49.6. Functional Description
- 49.6.1. Principle of Operation
- 49.6.2. Basic Operation
- 49.6.2.1. Initialization
- 49.6.2.2. Enabling, Disabling, and Resetting
- 49.6.2.3. Prescaler Selection
- 49.6.2.4. Counter Operation
- 49.6.2.5. Compare Operations
- 49.6.2.5.1. Waveform Output Generation Operations
- 49.6.2.5.2. Normal Frequency (NFRQ)
- 49.6.2.5.3. Match Frequency (MFRQ)
- 49.6.2.5.4. Normal Pulse-Width Modulation (NPWM)
- 49.6.2.5.5. Single-Slope PWM Operation
- 49.6.2.5.6. Dual-Slope PWM Generation
- 49.6.2.5.7. Dual-Slope Critical PWM Generation
- 49.6.2.5.8. Output Polarity
- 49.6.2.6. Double Buffering
- 49.6.2.7. Capture Operations
- 49.6.3. Additional Features
- 49.6.4. Master/Slave Operation
- 49.6.5. DMA, Interrupts, and Events
- 49.6.6. Sleep Mode Operation
- 49.6.7. Synchronization
- 49.7. Register Summary
- 49.8. Register Description
- 49.8.1. Control A
- 49.8.2. Control B Clear
- 49.8.3. Control B Set
- 49.8.4. Synchronization Busy
- 49.8.5. Fault Control A and B
- 49.8.6. Waveform Extension Control
- 49.8.7. Driver Control
- 49.8.8. Debug control
- 49.8.9. Event Control
- 49.8.10. Interrupt Enable Clear
- 49.8.11. Interrupt Enable Set
- 49.8.12. Interrupt Flag Status and Clear
- 49.8.13. Status
- 49.8.14. Counter Value
- 49.8.15. Pattern
- 49.8.16. Waveform
- 49.8.17. Period Value
- 49.8.18. Compare/Capture Channel x
- 49.8.19. Pattern Buffer
- 49.8.20. Period Buffer Value
- 49.8.21. Channel x Compare/Capture Buffer Value
- 50. PTC - Peripheral Touch Controller
- 51. I2S - Inter-IC Sound Controller
- 51.1. Overview
- 51.2. Features
- 51.3. Block Diagram
- 51.4. Signal Description
- 51.5. Product Dependencies
- 51.6. Functional Description
- 51.6.1. Principle of Operation
- 51.6.2. Basic Operation
- 51.6.3. Master, Controller, and Slave Modes
- 51.6.4. I2S Format - Reception and Transmission Sequence with Word Select
- 51.6.5. TDM Format - Reception and Transmission Sequence
- 51.6.6. PDM Reception
- 51.6.7. Data Formatting Unit
- 51.6.8. DMA, Interrupts and Events
- 51.6.9. Sleep Mode Operation
- 51.6.10. Synchronization
- 51.6.11. Loop-Back Mode
- 51.7. I2S Application Examples
- 51.8. Register Summary
- 51.9. Register Description
- 52. PCC - Parallel Capture Controller
- 53. PDEC – Position Decoder
- 53.1. Overview
- 53.2. Features
- 53.3. Block Diagram
- 53.4. Signal Description
- 53.5. Product Dependencies
- 53.6. Functional Description
- 53.6.1. Principle of Operation
- 53.6.2. Basic Operation
- 53.6.3. Additional Features
- 53.6.4. Interrupts
- 53.6.5. Events
- 53.6.6. Sleep Mode Operation
- 53.6.7. Synchronization
- 53.7. Register Summary
- 53.8. Register Description
- 53.8.1. Control A
- 53.8.2. Control B Clear
- 53.8.3. Control B Set
- 53.8.4. Event Control
- 53.8.5. Interrupt Enable Clear
- 53.8.6. Interrupt Enable Set
- 53.8.7. Interrupt Flag Status and Clear
- 53.8.8. Status
- 53.8.9. Debug Control
- 53.8.10. Synchronization Status
- 53.8.11. Prescaler Value
- 53.8.12. Filter Value
- 53.8.13. Prescaler Buffer Value
- 53.8.14. Filter Buffer Value
- 53.8.15. Counter Value
- 53.8.16. Channel x Compare Value
- 53.8.17. Channel x Compare Buffer Value
- 54. Electrical Characteristics at 85°C
- 54.1. Disclaimer
- 54.2. Absolute Maximum Ratings
- 54.3. General Operating Ratings
- 54.4. Injection Current
- 54.5. Supply Characteristics
- 54.6. Maximum Clock Frequencies
- 54.7. Power Consumption
- 54.8. Wake-Up Time
- 54.9. I/O Pin Characteristics
- 54.10. Analog Characteristics
- 54.10.1. Voltage Regulator Characteristics
- 54.10.2. Power-On Reset (POR) Characteristics
- 54.10.3. Brown-Out Detectors (BOD) Characteristics
- 54.10.4. Analog-to-Digital Converter (ADC) Characteristics
- 54.10.5. Digital to Analog Converter (DAC) Characteristics
- 54.10.6. Analog Comparator (AC) Characteristics
- 54.10.7. Voltage References
- 54.11. PTC Characteristics
- 54.12. NVM Characteristics
- 54.13. Oscillators Characteristics
- 54.13.1. Crystal Oscillator (XOSC) Characteristics
- 54.13.2. External 32 kHz Crystal Oscillator (XOSC32K) Characteristics
- 54.13.3. Internal Ultra Low Power 32 kHz RC Oscillator (OSCULP32K) Characteristics
- 54.13.4. Digital Frequency Locked Loop (DFLL48M) Characteristics
- 54.13.5. Fractional Digital Phase Lock Loop (FDPLL) Characteristics
- 54.14. Timing Characteristics
- 54.15. USB Characteristics
- 55. Electrical Characteristics at 105°C
- 55.1. General Operating Ratings (105°C)
- 55.2. Supply Characteristics (105°C)
- 55.3. Power Consumption (105°C)
- 55.4. Analog Characteristics (105°C)
- 55.4.1. Power-On Reset (POR) Characteristics (105°C)
- 55.4.2. Brown-Out Detectors (BOD) Characteristics (105°C)
- 55.4.3. Analog-to-Digital Converter (ADC) Characteristics (105°C)
- 55.4.4. Digital to Analog Converter (DAC) Characteristics (105°C)
- 55.4.5. Analog Comparator (AC) Characteristics (105°C)
- 55.4.6. PTC Characteristics
- 55.5. NVM Characteristics
- 55.6. Oscillators Characteristics (105°C)
- 55.6.1. Crystal Oscillator (XOSC) Characteristics (105°C)
- 55.6.2. External 32 kHz Crystal Oscillator (XOSC32K) Characteristics (105°C)
- 55.6.3. Internal Ultra Low Power 32 kHz RC Oscillator (OSCULP32K) Characteristics (105°C)
- 55.6.4. Digital Frequency Locked Loop (DFLL48M) Characteristics (105°C)
- 55.6.5. Fractional Digital Phase Lock Loop (FDPLL) Characteristics (105°C)
- 56. Electrical Characteristics at 125°C
- 56.1. General Operating Ratings (125°C)
- 56.2. Injection Current (125°C)
- 56.3. Supply Characteristics (125°C)
- 56.4. Maximum Clock Frequencies (125°C)
- 56.5. Power Consumption (125°C)
- 56.6. Analog Characteristics (125°C)
- 56.6.1. Power-On Reset (POR) Characteristics (125°C)
- 56.6.2. Brown-Out Detectors (BOD) Characteristics (125°C)
- 56.6.3. Analog-to-Digital Converter (ADC) Characteristics (125°C)
- 56.6.4. Digital-to-Analog Converter (DAC) Characteristics (125°C)
- 56.6.5. Analog Comparator (AC) Characteristics (125°C)
- 56.6.6. PTC Characteristics
- 56.7. NVM Characteristics (125°C)
- 56.8. Oscillators Characteristics (125°C)
- 56.8.1. Crystal Oscillator (XOSC) Characteristics (125°C)
- 56.8.2. External 32 kHz Crystal Oscillator (XOSC32K) Characteristics (125°C)
- 56.8.3. Internal Ultra Low Power 32 kHz RC Oscillator (OSCULP32K) Characteristics (125°C)
- 56.8.4. Digital Frequency Locked Loop (DFLL48M) Characteristics (125°C)
- 56.8.5. Fractional Digital Phase Lock Loop (FDPLL) Characteristics (125°C)
- 56.9. Timing Characteristics (125°C)
- 57. AEC Q-100 Grade 1, 125°C Electrical Characteristics
- 58. Packaging Information
- 59. Schematic Checklist
- 60. Conventions
- 61. Acronyms and Abbreviations
- 62. Revision History
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36.8.9 Length
Name: LENGTH
Offset: 0x22
Reset: 0x0000
Property: PAC Write-Protection, Write-Synchronized
Bit 15 14 13 12 11 10 9 8
LENEN
Access
R/W
Reset 0
Bit 7 6 5 4 3 2 1 0
LEN[7:0]
Access
R/W R/W R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0 0 0
Bit 8 – LENEN Data Length Enable
In 32-bit Extension mode (CTRLC.DATA32B=1), this bit field enables the length counter.
Value Description
0
Length counter is disabled.
1
Length counter is enabled.
Bits 7:0 – LEN[7:0] Data Length
In 32-bit Extension mode (CTRLC.DATA32B=1) with Data Length counting enabled (LENGTH.LENEN),
this bit field configures the data length from 0 to 255 Bytes after which the flag INTFLAG.DRDY is raised.
SAM D5x/E5x Family Data Sheet
SERCOM I2C – Inter-Integrated Circuit
© 2019 Microchip Technology Inc.
Datasheet
DS60001507E-page 1044