Datasheet
Table Of Contents
- Power-Managed Modes:
- Flexible Oscillator Structure:
- Special Microcontroller Features:
- Peripheral Highlights:
- ECAN Technology Module Features:
- Pin Diagrams
- Pin Diagrams (Continued)
- Table of Contents
- Most Current Data Sheet
- Errata
- Customer Notification System
- 1.0 Device Overview
- 2.0 Guidelines for Getting Started with PIC18F Microcontrollers
- 3.0 Oscillator Configurations
- 4.0 Power-Managed Modes
- 5.0 Reset
- 5.1 RCON Register
- 5.2 Master Clear Reset (MCLR)
- 5.3 Power-on Reset (POR)
- 5.4 Brown-out Reset (BOR)
- 5.5 Device Reset Timers
- 5.5.1 Power-up Timer (PWRT)
- 5.5.2 Oscillator Start-up Timer (OST)
- 5.5.3 PLL Lock Time-out
- 5.5.4 Time-out Sequence
- TABLE 5-2: Time-out in Various Situations
- FIGURE 5-3: Time-out Sequence on Power-up (MCLR Tied to Vdd, Vdd Rise < Tpwrt)
- FIGURE 5-4: Time-out Sequence on Power-up (MCLR Not Tied to Vdd): Case 1
- FIGURE 5-5: Time-out Sequence on Power-up (MCLR Not Tied to Vdd): Case 2
- FIGURE 5-6: Slow Rise Time (MCLR Tied to Vdd, Vdd Rise > Tpwrt)
- FIGURE 5-7: Time-out Sequence on POR w/PLL Enabled (MCLR Tied to Vdd)
- 5.6 Reset State of Registers
- 6.0 Memory Organization
- 6.1 Program Memory Organization
- 6.2 PIC18 Instruction Cycle
- 6.3 Data Memory Organization
- 6.4 Data Addressing Modes
- 6.5 Program Memory and the Extended Instruction Set
- 6.6 Data Memory and the Extended Instruction Set
- 7.0 Flash Program Memory
- 7.1 Table Reads and Table Writes
- 7.2 Control Registers
- 7.3 Reading the Flash Program Memory
- 7.4 Erasing Flash Program Memory
- 7.5 Writing to Flash Program Memory
- 7.6 Flash Program Operation During Code Protection
- 8.0 Data EEPROM Memory
- 9.0 8 x 8 Hardware Multiplier
- 9.1 Introduction
- 9.2 Operation
- EXAMPLE 9-1: 8 x 8 Unsigned Multiply Routine
- EXAMPLE 9-2: 8 x 8 Signed Multiply Routine
- TABLE 9-1: Performance Comparison for Various Multiply Operations
- EQUATION 9-1: 16 x 16 Unsigned Multiplication Algorithm
- EXAMPLE 9-3: 16 x 16 Unsigned Multiply Routine
- EQUATION 9-2: 16 x 16 Signed Multiplication Algorithm
- EXAMPLE 9-4: 16 x 16 Signed Multiply Routine
- 10.0 Interrupts
- 11.0 I/O Ports
- 12.0 Timer0 Module
- 13.0 Timer1 Module
- 14.0 Timer2 Module
- 15.0 Timer3 Module
- 16.0 Capture/Compare/PWM (CCP) Modules
- Register 16-1: CCP1CON: Capture/Compare/PWM Control Register
- 16.1 CCP Module Configuration
- 16.2 Capture Mode
- 16.3 Compare Mode
- 16.4 PWM Mode
- 17.0 Enhanced Capture/Compare/PWM (ECCP) Module
- Register 17-1: ECCP1CON Register (ECCP1 module, PIC18F4480/4580 Devices)
- 17.1 ECCP Outputs and Configuration
- 17.2 Capture and Compare Modes
- 17.3 Standard PWM Mode
- 17.4 Enhanced PWM Mode
- 18.0 Master Synchronous Serial Port (MSSP) Module
- 18.1 Master SSP (MSSP) Module Overview
- 18.2 Control Registers
- 18.3 SPI Mode
- 18.4 I2C Mode
- FIGURE 18-7: MSSP Block Diagram (I2C™ Mode)
- 18.4.1 Registers
- 18.4.2 Operation
- 18.4.3 Slave Mode
- 18.4.4 Clock Stretching
- 18.4.5 General Call Address Support
- 18.4.6 Master Mode
- 18.4.7 Baud Rate
- 18.4.8 I2C Master Mode Start Condition Timing
- 18.4.9 I2C Master Mode Repeated Start Condition Timing
- 18.4.10 I2C Master Mode Transmission
- 18.4.11 I2C Master Mode Reception
- 18.4.12 Acknowledge Sequence Timing
- 18.4.13 Stop Condition Timing
- 18.4.14 Sleep Operation
- 18.4.15 Effect of a Reset
- 18.4.16 Multi-Master Mode
- 18.4.17 Multi-Master Communication, Bus Collision and Bus Arbitration
- FIGURE 18-25: Bus Collision Timing for Transmit and Acknowledge
- FIGURE 18-26: Bus Collision During Start Condition (SDA Only)
- FIGURE 18-27: Bus Collision During Start Condition (SCL = 0)
- FIGURE 18-28: BRG Reset Due to SDA Arbitration During Start Condition
- FIGURE 18-29: Bus Collision During a Repeated Start Condition (Case 1)
- FIGURE 18-30: Bus Collision During Repeated Start Condition (Case 2)
- FIGURE 18-31: Bus Collision During a Stop Condition (Case 1)
- FIGURE 18-32: Bus Collision During a Stop Condition (Case 2)
- 19.0 Enhanced Universal Synchronous Receiver Transmitter (EUSART)
- Register 19-1: TXSTA: Transmit Status And Control Register
- Register 19-2: RCSTA: Receive Status And Control Register
- Register 19-3: BAUDCON: Baud Rate Control Register
- 19.1 Baud Rate Generator (BRG)
- 19.2 EUSART Asynchronous Mode
- 19.3 EUSART Synchronous Master Mode
- 19.4 EUSART Synchronous Slave Mode
- 20.0 10-Bit Analog-to-Digital Converter (A/D) Module
- Register 20-1: ADCON0: A/D Control Register 0
- Register 20-2: ADCON1: A/D Control Register 1
- Register 20-3: ADCON2: A/D Control Register 2
- FIGURE 20-1: A/D Block Diagram
- FIGURE 20-2: Analog Input Model
- 20.1 A/D Acquisition Requirements
- 20.2 Selecting and Configuring Automatic Acquisition Time
- 20.3 Selecting the A/D Conversion Clock
- 20.4 Operation in Power-Managed Modes
- 20.5 Configuring Analog Port Pins
- 20.6 A/D Conversions
- 20.7 Use of the CCP1 Trigger
- 21.0 Comparator Module
- Register 21-1: CMCON: Comparator Control Register
- 21.1 Comparator Configuration
- 21.2 Comparator Operation
- 21.3 Comparator Reference
- 21.4 Comparator Response Time
- 21.5 Comparator Outputs
- 21.6 Comparator Interrupts
- 21.7 Comparator Operation During Sleep
- 21.8 Effects of a Reset
- 21.9 Analog Input Connection Considerations
- 22.0 Comparator Voltage Reference Module
- 23.0 High/Low-Voltage Detect (HLVD)
- 24.0 ECAN Module
- 24.1 Module Overview
- 24.2 CAN Module Registers
- 24.2.1 CAN Control and Status Registers
- Register 24-1: CANCON: CAN Control Register
- Register 24-2: CANSTAT: CAN Status Register
- EXAMPLE 24-1: Changing to Configuration Mode
- EXAMPLE 24-2: WIN and ICODE Bits Usage in Interrupt Service Routine to Access TX/RX Buffers
- EXAMPLE 24-2: WIN and ICODE Bits Usage in Interrupt Service Routine to Access TX/RX Buffers (Continued)
- Register 24-3: ECANCON: Enhanced CAN Control Register
- Register 24-4: COMSTAT: Communication Status Register
- 24.2.2 Dedicated CAN Transmit Buffer Registers
- Register 24-5: TXBnCON: Transmit Buffer n Control Registers [0 £ n £ 2]
- Register 24-6: TXBnSIDH: Transmit Buffer n Standard Identifier Registers, High Byte [0 £ n £ 2]
- Register 24-7: TXBnSIDL: Transmit Buffer n Standard Identifier Registers, Low Byte [0 £ n £ 2]
- Register 24-8: TXBnEIDH: Transmit Buffer n Extended Identifier Registers, High Byte [0 £ n £ 2]
- Register 24-9: TXBnEIDL: Transmit Buffer n Extended Identifier Registers, Low Byte [0 £ n £ 2]
- Register 24-10: TXBnDm: Transmit Buffer n Data Field Byte m Registers [0 £ n £ 2, 0 £ m £ 7]
- Register 24-11: TXBnDLC: Transmit Buffer n Data Length Code Registers [0 £ n £ 2]
- Register 24-12: TXERRCNT: Transmit Error Count Register
- EXAMPLE 24-3: Transmitting a CAN Message Using Banked Method
- EXAMPLE 24-4: Transmitting a CAN Message Using WIN Bits
- 24.2.3 Dedicated CAN Receive Buffer Registers
- Register 24-13: RXB0CON: Receive Buffer 0 Control Register
- Register 24-14: RXB1CON: Receive Buffer 1 Control Register
- Register 24-15: RXBnSIDH: Receive Buffer n Standard Identifier Registers, High Byte [0 £ n £ 1]
- Register 24-16: RXBnSIDL: Receive Buffer n Standard Identifier Registers, Low Byte [0 £ n £ 1]
- Register 24-17: RXBnEIDH: Receive Buffer n Extended Identifier Registers, High Byte [0 £ n £ 1]
- Register 24-18: RXBnEIDL: Receive Buffer n Extended Identifier Registers, Low Byte [0 £ n £ 1]
- Register 24-19: RXBnDLC: Receive Buffer n Data Length Code Registers [0 £ n £ 1]
- Register 24-20: RXBnDm: Receive Buffer n Data Field Byte m Registers [0 £ n £ 1, 0 £ m £ 7]
- Register 24-21: RXERRCNT: Receive Error Count Register
- EXAMPLE 24-5: Reading a CAN Message
- Register 24-22: BnCON: TX/RX Buffer n Control Registers in Receive Mode [0 £ n £ 5, TXnEN (bsel0
) = 0](1) - Register 24-23: BnCON: TX/RX Buffer n Control Registers in Transmit Mode [0 £ n £ 5, TXnEN (bsel0
) = 1](1) - Register 24-24: BnSIDH: TX/RX Buffer n Standard Identifier Registers, High Byte in Receive Mode [0 £ n £ 5, TXnEN (BSEL0
) = 0](1) - Register 24-25: BnSIDH: TX/RX Buffer n Standard Identifier Registers, High Byte in Transmit Mode [0 £ n £ 5, TXnEN (BSEL0
) = 1](1) - Register 24-26: BnSIDL: TX/RX Buffer n Standard Identifier Registers, Low Byte in Receive Mode [0 £ n £ 5, TXnEN (bsel0
) = 0](1) - Register 24-27: BnSIDL: TX/RX Buffer n Standard Identifier Registers, Low Byte in Receive Mode [0 £ n £ 5, TXnEN (bsel0
) = 1](1) - Register 24-28: BnEIDH: TX/RX Buffer n Extended Identifier Registers, High Byte in Receive Mode [0 £ n £ 5, TXnEN (BSEL0
) = 0](1) - Register 24-29: BnEIDH: TX/RX Buffer n Extended Identifier Registers, High Byte in Transmit Mode [0 £ n £ 5, TXnEN (BSEL0
) = 1](1) - Register 24-30: BnEIDL: TX/RX Buffer n Extended Identifier Registers, Low Byte in Receive Mode [0 £ n £ 5, TXnEN (BSEL
) = 0](1) - Register 24-31: BnEIDL: TX/RX Buffer n Extended Identifier Registers, Low Byte in Receive Mode [0 £ n £ 5, TXnEN (BSEL
) = 1](1) - Register 24-32: BnDm: TX/RX Buffer n Data Field Byte m Registers in Receive Mode [0 £ n £ 5, 0 £ m £ 7, TXnEN (BSEL
) = 0](1) - Register 24-33: BnDm: TX/RX Buffer n Data Field Byte m Registers in Transmit Mode [0 £ n £ 5, 0 £ m £ 7, TXnEN (BSEL
) = 1](1) - Register 24-34: BnDLC: TX/RX Buffer n Data Length Code Registers in Receive Mode [0 £ n £ 5, TXnEN (BSEL
) = 0](1) - Register 24-35: BnDLC: TX/RX Buffer n Data Length Code Registers in Transmit Mode [0 £ n £ 5, TXnEN (BSEL
) = 1](1) - Register 24-36: BSEL0: Buffer Select Register 0(1)
- Register 24-37: RXFnSIDH: Receive Acceptance Filter n Standard Identifier Filter Registers, High Byte [0 £ n £ 15](1)
- Register 24-38: RXFnSIDL: Receive Acceptance Filter n Standard Identifier Filter Registers, Low Byte [0 £ n £ 15](1)
- Register 24-39: RXFnEIDH: Receive Acceptance Filter n Extended Identifier Registers, High Byte [0 £ n £ 15](1)
- Register 24-40: RXFnEIDL: Receive Acceptance Filter n Extended Identifier Registers, Low Byte [0 £ n £ 15](1)
- Register 24-41: RXMnSIDH: Receive Acceptance Mask n Standard Identifier Mask Registers, High Byte [0 £ n £ 1]
- Register 24-42: RXMnSIDL: Receive Acceptance Mask n Standard Identifier Mask Registers, Low Byte [0 £ n £ 1]
- Register 24-43: RXMnEIDH: Receive Acceptance Mask n Extended Identifier Mask Registers, High Byte [0 £ n £ 1]
- Register 24-44: RXMnEIDL: Receive Acceptance Mask n Extended Identifier Mask Registers, Low Byte [0 £ n £ 1]
- Register 24-45: RXFCONn: Receive Filter Control Register n [0 £ n £ 1](1)
- Register 24-46: SDFLC: Standard Data Bytes Filter Length Count Register(1)
- Register 24-47: RXFBCONn: Receive Filter Buffer Control Register n(1)
- Register 24-48: MSEL0: Mask Select Register 0(1)
- Register 24-49: MSEL1: Mask Select Register 1(1)
- Register 24-50: MSEL2: Mask Select Register 2(1)
- Register 24-51: MSEL3: Mask Select Register 3(1)
- 24.2.4 CAN Baud Rate Registers
- 24.2.5 CAN Module I/O Control Register
- 24.2.6 CAN Interrupt Registers
- Register 24-56: PIR3: Peripheral Interrupt Request (Flag) Register 3
- Register 24-57: PIE3: Peripheral Interrupt Enable Register 3
- Register 24-58: IPR3: Peripheral Interrupt Priority Register 3
- Register 24-59: TXBIE: Transmit Buffers Interrupt Enable Register(1)
- Register 24-60: BIE0: Buffer Interrupt Enable Register 0(1)
- TABLE 24-1: Can Controller Register Map
- TABLE 24-1: Can Controller Register Map (continued)
- 24.2.1 CAN Control and Status Registers
- 24.3 CAN Modes of Operation
- 24.4 CAN Module Functional Modes
- 24.5 CAN Message Buffers
- 24.6 CAN Message Transmission
- 24.7 Message Reception
- 24.8 Message Acceptance Filters and Masks
- 24.9 Baud Rate Setting
- EQUATION 24-1:
- EQUATION 24-2:
- EQUATION 24-3:
- FIGURE 24-4: Bit Time Partitioning
- 24.9.1 External Clock, Internal Clock and Measurable Jitter in HS-PLL Based Oscillators
- 24.9.2 Time Quanta
- 24.9.3 Synchronization Segment
- 24.9.4 Propagation Segment
- 24.9.5 Phase Buffer Segments
- 24.9.6 Sample Point
- 24.9.7 Information Processing Time
- 24.10 Synchronization
- 24.11 Programming Time Segments
- 24.12 Oscillator Tolerance
- 24.13 Bit Timing Configuration Registers
- 24.14 Error Detection
- 24.15 CAN Interrupts
- 25.0 Special Features of the CPU
- 25.1 Configuration Bits
- TABLE 25-1: Configuration Bits and Device IDs
- Register 25-1: CONFIG1H: Configuration Register 1 High (Byte Address 300001h)
- Register 25-2: CONFIG2L: Configuration Register 2 Low (Byte Address 300002h)
- Register 25-3: CONFIG2H: Configuration Register 2 High (Byte Address 300003h)
- Register 25-4: CONFIG3H: Configuration Register 3 High (Byte Address 300005h)
- Register 25-5: CONFIG4L: Configuration Register 4 Low (Byte Address 300006h)
- Register 25-6: CONFIG5L: Configuration Register 5 Low (Byte Address 300008h)
- Register 25-7: CONFIG5H: Configuration Register 5 High (Byte Address 300009h)
- Register 25-8: CONFIG6L: Configuration Register 6 Low (Byte Address 30000Ah)
- Register 25-9: CONFIG6H: Configuration Register 6 High (Byte Address 30000Bh)
- Register 25-10: CONFIG7L: Configuration Register 7 Low (Byte Address 30000Ch)
- Register 25-11: CONFIG7H: Configuration Register 7 High (Byte Address 30000Dh)
- Register 25-12: DEVID1: Device ID Register 1 for PIC18F2480/2580/4480/4580
- Register 25-13: DEVID2: Device ID Register 2 for PIC18F2480/2580/4480/4580
- 25.2 Watchdog Timer (WDT)
- 25.3 Two-Speed Start-up
- 25.4 Fail-Safe Clock Monitor
- 25.5 Program Verification and Code Protection
- 25.6 ID Locations
- 25.7 In-Circuit Serial Programming
- 25.8 In-Circuit Debugger
- 25.9 Single-Supply ICSP Programming
- 25.1 Configuration Bits
- 26.0 Instruction Set Summary
- 26.1 Standard Instruction Set
- 26.2 Extended Instruction Set
- 27.0 Development Support
- 27.1 MPLAB Integrated Development Environment Software
- 27.2 MPLAB C Compilers for Various Device Families
- 27.3 HI-TECH C for Various Device Families
- 27.4 MPASM Assembler
- 27.5 MPLINK Object Linker/ MPLIB Object Librarian
- 27.6 MPLAB Assembler, Linker and Librarian for Various Device Families
- 27.7 MPLAB SIM Software Simulator
- 27.8 MPLAB REAL ICE In-Circuit Emulator System
- 27.9 MPLAB ICD 3 In-Circuit Debugger System
- 27.10 PICkit 3 In-Circuit Debugger/ Programmer and PICkit 3 Debug Express
- 27.11 PICkit 2 Development Programmer/Debugger and PICkit 2 Debug Express
- 27.12 MPLAB PM3 Device Programmer
- 27.13 Demonstration/Development Boards, Evaluation Kits, and Starter Kits
- 28.0 Electrical Characteristics
- Absolute Maximum Ratings (†)
- 28.1 DC Characteristics: Supply Voltage PIC18F2480/2580/4480/4580 (Industrial, Extended) PIC18LF2480/2580/4480/4580 (Industrial)
- 28.2 DC Characteristics: Power-Down and Supply Current PIC18F2480/2580/4480/4580 (Industrial, Extended) PIC18LF2480/2580/4480/4580 (Industrial)
- 28.3 DC Characteristics: PIC18F2480/2580/4480/4580 (Industrial) PIC18LF2480/2580/4480/4580 (Industrial)
- 28.4 AC (Timing) Characteristics
- 28.4.1 Timing Parameter Symbology
- 28.4.2 Timing Conditions
- 28.4.3 Timing Diagrams and Specifications
- FIGURE 28-5: External Clock Timing (All Modes Except PLL)
- TABLE 28-6: External Clock Timing Requirements
- TABLE 28-7: PLL Clock Timing Specifications (Vdd = 4.2V to 5.5V)
- TABLE 28-8: AC Characteristics: Internal RC Accuracy PIC18F2480/2580/4480/4580 (Industrial) PIC18LF2480/2580/4480/4580 (Industrial)
- FIGURE 28-6: CLKO and I/O Timing
- TABLE 28-9: CLKO and I/O Timing Requirements
- FIGURE 28-7: Reset, Watchdog Timer, Oscillator Start-up Timer and Power-up Timer Timing
- FIGURE 28-8: Brown-out Reset Timing
- TABLE 28-10: Reset, Watchdog Timer, Oscillator Start-up Timer, Power-up Timer and Brown-out Reset Requirements
- FIGURE 28-9: Timer0 and Timer1 External Clock Timings
- TABLE 28-11: Timer0 and Timer1 External Clock Requirements
- FIGURE 28-10: Capture/Compare/PWM Timings (All CCP Modules)
- TABLE 28-12: Capture/Compare/PWM Requirements (All CCP Modules)
- FIGURE 28-11: Parallel Slave Port Timing (PIC18F4480/4580)
- TABLE 28-13: Parallel Slave Port Requirements (PIC18F4480/4580)
- FIGURE 28-12: Example SPI Master Mode Timing (CKE = 0)
- TABLE 28-14: Example SPI Mode Requirements (Master Mode, CKE = 0)
- FIGURE 28-13: Example SPI Master Mode Timing (CKE = 1)
- TABLE 28-15: Example SPI Mode Requirements (Master Mode, CKE = 1)
- FIGURE 28-14: Example SPI Slave Mode Timing (CKE = 0)
- TABLE 28-16: Example SPI Mode Requirements (Slave Mode Timing, CKE = 0)
- FIGURE 28-15: Example SPI Slave Mode Timing (CKE = 1)
- TABLE 28-17: Example SPI Slave Mode Requirements (CKE = 1)
- FIGURE 28-16: I2C™ Bus Start/Stop Bits Timing
- TABLE 28-18: I2C™ Bus Start/Stop Bits Requirements (Slave Mode)
- FIGURE 28-17: I2C™ Bus Data Timing
- TABLE 28-19: I2C™ Bus Data Requirements (Slave Mode)
- FIGURE 28-18: Master SSP I2C™ Bus Start/Stop Bits Timing Waveforms
- TABLE 28-20: Master SSP I2C™ Bus Start/Stop Bits Requirements
- FIGURE 28-19: Master SSP I2C™ Bus Data Timing
- TABLE 28-21: Master SSP I2c™ Bus Data Requirements
- FIGURE 28-20: EUSART Synchronous Transmission (Master/Slave) Timing
- TABLE 28-22: EUSART Synchronous Transmission Requirements
- FIGURE 28-21: EUSART Synchronous Receive (Master/Slave) Timing
- TABLE 28-23: EUSART Synchronous Receive Requirements
- TABLE 28-24: A/D Converter Characteristics: PIC18F2480/2580/4480/4580 (Industrial) PIC18LF2480/2580/4480/4580 (Industrial)
- FIGURE 28-22: A/D Conversion Timing
- TABLE 28-25: A/D Conversion Requirements
- 29.0 Packaging Information
- Appendix A: Revision History
- Appendix B: Device Differences
- Appendix C: Conversion Considerations
- Appendix D: Migration from Baseline to Enhanced Devices
- Appendix E: Migration From Mid-Range to Enhanced Devices
- Appendix F: Migration From High-End to Enhanced Devices
- INDEX
- The Microchip Web Site
- Customer Change Notification Service
- Customer Support
- Reader Response
- PIC18F2480/2580/4480/4580 Product Identification System
- Worldwide Sales and Service

© 2009 Microchip Technology Inc. DS39637D-page 91
PIC18F2480/2580/4480/4580
B2D4
(8)
B2D47 B2D46 B2D45 B2D44 B2D43 B2D42 B2D41 B2D40 xxxx xxxx 63, 305
B2D3
(8)
B2D37 B2D36 B2D35 B2D34 B2D33 B2D32 B2D31 B2D30 xxxx xxxx 63, 305
B2D2
(8)
B2D27 B2D26 B2D25 B2D24 B2D23 B2D22 B2D21 B2D20 xxxx xxxx 63, 305
B2D1
(8)
B2D17 B2D16 B2D15 B2D14 B2D13 B2D12 B2D11 B2D10 xxxx xxxx 64, 305
B2D0
(8)
B2D07 B2D06 B2D05 B2D04 B2D03 B2D02 B2D01 B2D00 xxxx xxxx 64, 305
B2DLC
(8)
Receive mode
— RXRTR RB1 RB0 DLC3 DLC2 DLC1 DLC0 -xxx xxxx 64, 307
B2DLC
(8)
Transmit mode
—TXRTR— — DLC3 DLC2 DLC1 DLC0 -x-- xxxx 64, 307
B2EIDL
(8)
EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 xxxx xxxx 64, 305
B2EIDH
(8)
EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 xxxx xxxx 64, 304
B2SIDL
(8)
Receive mode
SID2 SID1 SID0 SRR EXID —EID17EID16xxxx x-xx 64, 303
B2SIDL
(8)
Transmit mode
SID2 SID1 SID0 —EXIDE —EID17EID16xxx- x-xx 64, 303
B2SIDH
(8)
SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 xxxx xxxx 64, 302
B2CON
(8)
Receive mode
RXFUL RXM1 RXRTRRO FILHIT4 FILHIT3 FILHIT2 FILHIT1 FILHIT0 0000 0000 64, 301
B2CON
(8)
Transmit mode
TXBIF RXM1 TXLARB TXERR TXREQ RTREN TXPRI1 TXPRI0 0000 0000 64, 301
B1D7
(8)
B1D77 B1D76 B1D75 B1D74 B1D73 B1D72 B1D71 B1D70 xxxx xxxx 64, 305
B1D6
(8)
B1D67 B1D66 B1D65 B1D64 B1D63 B1D62 B1D61 B1D60 xxxx xxxx 64, 305
B1D5
(8)
B1D57 B1D56 B1D55 B1D54 B1D53 B1D52 B1D51 B1D50 xxxx xxxx 64, 305
B1D4
(8)
B1D47 B1D46 B1D45 B1D44 B1D43 B1D42 B1D41 B1D40 xxxx xxxx 64, 305
B1D3
(8)
B1D37 B1D36 B1D35 B1D34 B1D33 B1D32 B1D31 B1D30 xxxx xxxx 64, 305
B1D2
(8)
B1D27 B1D26 B1D25 B1D24 B1D23 B1D22 B1D21 B1D20 xxxx xxxx 64, 305
B1D1
(8)
B1D17 B1D16 B1D15 B1D14 B1D13 B1D12 B1D11 B1D10 xxxx xxxx 64, 305
B1D0
(8)
B1D07 B1D06 B1D05 B1D04 B1D03 B1D02 B1D01 B1D00 xxxx xxxx 64, 305
B1DLC
(8)
Receive mode
— RXRTR RB1 RB0 DLC3 DLC2 DLC1 DLC0 -xxx xxxx 64, 307
B1DLC
(8)
Transmit mode
—TXRTR— — DLC3 DLC2 DLC1 DLC0 -x-- xxxx 64, 307
B1EIDL
(8)
EID7 EID6 EID5 EID4 EID3 EID2 EID1 EID0 xxxx xxxx 64, 305
B1EIDH
(8)
EID15 EID14 EID13 EID12 EID11 EID10 EID9 EID8 xxxx xxxx 64, 304
B1SIDL
(8)
Receive mode
SID2 SID1 SID0 SRR EXID —EID17EID16xxxx x-xx 64, 303
B1SIDL
(8)
Transmit mode
SID2 SID1 SID0 —EXIDE —EID17EID16xxx- x-xx 64, 303
B1SIDH
(8)
SID10 SID9 SID8 SID7 SID6 SID5 SID4 SID3 xxxx xxxx 64, 302
B1CON
(8)
Receive mode
RXFUL RXM1 RXRTRRO FILHIT4 FILHIT3 FILHIT2 FILHIT1 FILHIT0 0000 0000 64, 301
B1CON
(8)
Transmit mode
TXBIF TXABT TXLARB TXERR TXREQ RTREN TXPRI1 TXPRI0 0000 0000 64, 301
TABLE 6-2: REGISTER FILE SUMMARY (PIC18F2480/2580/4480/4580) (CONTINUED)
File Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value on
POR, BOR
Details on
Page:
Legend: x = unknown, u = unchanged, - = unimplemented, q = value depends on condition
Note 1: Bit 21 of the PC is only available in Test mode and Serial Programming modes.
2: The SBOREN bit is only available when CONFIG2L<1:0> = 01; otherwise, it is disabled and reads as ‘0’. See Section 5.4 “Brown-out Reset (BOR)”.
3: These registers and/or bits are not implemented on PIC18F2X80 devices and are read as ‘0’. Reset values are shown for PIC18F4X80 devices;
individual unimplemented bits should be interpreted as ‘—’.
4: The PLLEN bit is only available in specific oscillator configuration; otherwise, it is disabled and reads as ‘0’. See Section 3.6.4 “PLL in INTOSC
Modes”.
5: The RE3 bit is only available when Master Clear Reset is disabled (CONFIG3H<7> = 0); otherwise, RE3 reads as ‘0’. This bit is read-only.
6: RA6/RA7 and their associated latch and direction bits are individually configured as port pins based on various primary oscillator modes. When
disabled, these bits read as ‘0’.
7: CAN bits have multiple functions depending on the selected mode of the CAN module.
8: This register reads all ‘0’s until the ECAN™ technology is set up in Mode 1 or Mode 2.
9: These registers are available on PIC18F4X80 devices only.