SAM4L Datasheet, PDF (616/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
24.7 User Interface
Table 24-17. USART Register Memory Map
Offset
Register
Register Name
Access
0x00
Control Register
CR
Write-only
0x04
Mode Register
MR
Read-write
0x08
Interrupt Enable Register
IER
Write-only
0x0C
Interrupt Disable Register
IDR
Write-only
0x010
Interrupt Mask Register
IMR
Read-only
0x14
Channel Status Register
CSR
Read-only
0x18
Receiver Holding Register
RHR
Read-only
0x1C
Transmitter Holding Register
THR
Write-only
0x20
Baud Rate Generator Register
BRGR
Read-write
0x24
Receiver Time-out Register
RTOR
Read-write
0x28
Transmitter Timeguard Register
TTGR
Read-write
0x40
FI DI Ratio Register
FIDI
Read-write
0x44
Number of Errors Register
NER
Read-only
0x4C
IrDA Filter Register
IFR
Read-write
0x50
Manchester Configuration Register
MAN
Read-write
0x54
LIN Mode Register
LINMR
Read-write
0x58
LIN Identifier Register
LINIR
Read-write
0x5C
LIN Baud Rate Register
LINBR
Read-only
0xE4
Write Protect Mode Register
WPMR
Read-write
0xE8
Write Protect Status Register
WPSR
Read-only
0xFC
Version Register
VERSION
Read-only
Note: 1. Values in the Version Register vary with the version of the IP block implementation.
Reset
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000174
0x00000000
0x00000000
0x30011004
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
-⁽¹⁾
42023C–SAM–02/2013
616