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ATSAM4S-XPLD
678
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
34.6
Universal Asynchronous Receiver Transmitter (UART) User Interface
Table 34-3. 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
–
–
–
0x004C - 0x00FC
Reserved
–
–
–
0x0100 - 0x0124
Reserved for PDC registers
–
–
–