Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet

42023E–SAM–07/2013

Note:

1. Values in the Version Register vary with the version of the IP block implementation.

Table 24-17. USART Register Memory Map

0x00

Control Register 

CR

Write-only

0x00000000

0x04

Mode Register

MR

Read-write

0x00000000

0x08

Interrupt Enable Register

IER

Write-only

0x00000000

0x0C

Interrupt Disable Register

IDR

Write-only

0x00000000

0x010

Interrupt Mask Register

IMR

Read-only

0x00000000

0x14

Channel Status Register

CSR

Read-only

0x00000000

0x18

Receiver Holding Register

RHR

Read-only

0x00000000

0x1C

Transmitter Holding Register

THR

Write-only

0x00000000

0x20

Baud Rate Generator Register

BRGR

Read-write

0x00000000

0x24

Receiver Time-out Register

RTOR

Read-write

0x00000000

0x28

Transmitter Timeguard Register

TTGR

Read-write

0x00000000

0x40

FI DI Ratio Register

FIDI

Read-write

 0x00000174

0x44

Number of Errors Register

NER

Read-only

0x00000000

0x4C

IrDA Filter Register

IFR

Read-write

0x00000000

0x50

Manchester Configuration Register

MAN

Read-write

0x30011004

0x54

LIN Mode Register

LINMR

Read-write

0x00000000

0x58

LIN Identifier Register

LINIR

Read-write

0x00000000

0x5C

LIN Baud Rate Register

LINBR

Read-only

0x00000000

0xE4

Write Protect Mode Register

WPMR

Read-write

0x00000000

0xE8

Write Protect Status Register

WPSR

Read-only

0x00000000

0xFC

Version Register

VERSION

Read-only