Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
851
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
41.6
Universal Asynchronous Receiver Transmitter (UART) User Interface
Table 41-3. Register Mapping
Offset
Register
Name
Access Reset
0x0000
Control Register
UART_CR
Write-only
–
0x0004
Mode Register
UART_MR
Read-write
0x0
0x0008
Interrupt Enable Register
UART_IER
Write-only
–
0x000C
Interrupt Disable Register
UART_IDR
Write-only
–
0x0010
Interrupt Mask Register
UART_IMR
Read-only
0x0
0x0014
Status Register
UART_SR
Read-only
–
0x0018
Receive Holding Register
UART_RHR
Read-only
0x0
0x001C
Transmit Holding Register
UART_THR
Write-only
–
0x0020
Baud Rate Generator Register
UART_BRGR
Read-write
0x0
0x0024 - 0x003C
Reserved
–
–
–
0x0040 - 0x00E8
Reserved
–
–
–
0x00EC - 0x00FC
Reserved
–
–
–