Datasheet

725
SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
21-Jun-16
Section 27. “Debug Unit (DBGU)”
Added Section 27.2 “Embedded Characteristics”
Table 27-2 “Register Mapping”:
- added reset value 0x00181800 for DBGU_SR
- added reset value 0x019703A0 for DBGU_CIDR
Section 28. “Peripheral Input/Output Controller (PIO)”
Figure 28-3 ”I/O Line Control Logic”: redimensioned to display PIO_IDR[31] at bottom of diagram
Section 30. “Two Wire Interface (TWI)”
Added Section 30.2 “Embedded Characteristics”
Table 30-4 “Register Mapping”: removed reset value from TW_THR (register is write-only)
Removed reset values from register description sections (reset values are provided in Table 30-4 “Register
Mapping”)
Section 30.11.11 “TWI Transmit Holding Register”: access “Read-write” corrected to “Write-only”
Section 31. “Universal Synchronous Asynchronous Receiver Transmitter (USART)”
Table 31-5 “Possible Values for the Fi/Di Ratio”: in top row, replaced “774” with “744”
Table 31-10 “IrDA Baud Rate Error”: in header row, added “bit/s” to Baud Rate and added “µs” to Pulse Time
Table 31-11 “Register Mapping”: added reset value 0x0 to US_MR, US_CSR, US_NER
Removed reset value from Section 31.7.12 “USART FI DI RATIO Register” (reset value provided in Table 31-11
“Register Mapping”)
Section 32. “Synchronous Serial Controller (SSC)”
Section 32.6.1.1 “Clock Divider”: deleted irrelevant and untitled Table 33-2 from end of section
Section 33. “Timer Counter (TC)”
Added Section 33.2 “Embedded Characteristics”
Updated Table 33-2 “Channel Signal Description”
Section 34. “MultiMedia Card Interface (MCI)”
Added Section 34.2 “Embedded Characteristics”
Updated Section 34.8.1 “Command - Response Operation”
Section 35. “USB Host Port (UHP)”
Added Section 35.2 “Embedded Characteristics”
Section 36. “USB Device Port (UDP)”
Add Section 36.2 “Embedded Characteristics”
Restructured Table 36-3 “USB Transfer Events”
Table 36-4 “Register Mapping”: UDP_GLB_STAT reset value ‘0x0000_0000’ corrected to ‘0x0000_0010’
Section 37. “LCD Controller (LCDC)”
Table 37-12 “Register Mapping”: removed reset value from write-only registers
Removed reset value from register description sections (reset values are provided in Table 37-12 “Register
Mapping”)
Section 38. “Electrical Characteristics”
Table 38-1 “Absolute Maximum Ratings*”: removed “Operating Temperature” line
Table 38-6 “Master Clock Waveform Parameters”: symbol “1/(t
CPPCK
)” corrected to “1/(t
CPMCK
)”
Table 43-1. Revision History - SAM9261 Datasheet Revision 6082O
Date Comments