SAM4CM_14 Datasheet, PDF (816/1177 Pages) ATMEL Corporation – Atmel | SMART ARM-based Flash MCU

36.7 Universal Synchronous Asynchronous Receiver Transmitter (USART) User Interface
Table 36-14. Register Mapping
Offset
Register
0x0000
Control Register
0x0004
Mode Register
0x0008
Interrupt Enable Register
0x000C
Interrupt Disable Register
0x0010
Interrupt Mask Register
0x0014
Channel Status Register
0x0018
Receive Holding Register
0x001C
Transmit Holding Register
0x0020
Baud Rate Generator Register
0x0024
Receiver Time-out Register
0x0028
Transmitter Timeguard Register
0x2C–0x3C
Reserved
0x0040
FI DI Ratio Register
0x0044
Number of Errors Register
0x0048
Reserved
0x004C
IrDA Filter Register
0x0050
Manchester Configuration Register
0x0054–0x005C Reserved
0x0060–0x00E0 Reserved
0x00E4
Write Protection Mode Register
0x00E8
Write Protection Status Register
0x00EC–0x00FC Reserved
0x100–0x128 Reserved for PDC Registers
Name
US_CR
US_MR
US_IER
US_IDR
US_IMR
US_CSR
US_RHR
US_THR
US_BRGR
US_RTOR
US_TTGR
–
US_FIDI
US_NER
–
US_IF
US_MAN
–
–
US_WPMR
US_WPSR
–
–
Access
Write-only
Read/Write
Write-only
Write-only
Read-only
Read-only
Read-only
Write-only
Read/Write
Read/Write
Read/Write
–
Read/Write
Read-only
–
Read/Write
Read/Write
–
–
Read/Write
Read-only
–
–
Reset
–
–
–
–
0x0
–
0x0
–
0x0
0x0
0x0
–
0x174
–
–
0x0
0x30011004
–
–
0x0
0x0
–
–
816
SAM4CM Series [DATASHEET]
Atmel-11203C-ATARM-SAM4CM32-SAM4CM16-SAM4CM8-Datasheet_06-Oct-14