Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 724

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

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

0x0000

Control Register 

US_CR

Write-only

–

0x0004

Mode Register

US_MR

Read-write

–

0x0008

Interrupt Enable Register

US_IER

Write-only

–

0x000C

Interrupt Disable Register

US_IDR

Write-only

–

0x0010

Interrupt Mask Register

US_IMR

Read-only

0x0

0x0014

Channel Status Register

US_CSR

Read-only

–

0x0018

Receiver Holding Register

US_RHR

Read-only

0x0

0x001C

Transmitter Holding Register

US_THR

Write-only

–

0x0020

Baud Rate Generator Register

US_BRGR

Read-write

0x0

0x0024

Receiver Time-out Register

US_RTOR

Read-write

0x0

0x0028

Transmitter Timeguard Register

US_TTGR

Read-write

0x0

0x2C - 0x3C

Reserved

–

–

–

0x0040

FI DI Ratio Register

US_FIDI

Read-write

 0x174

0x0044

Number of Errors Register

US_NER

Read-only

–

0x0048

Reserved

–

–

–

0x004C

IrDA Filter Register

US_IF

Read-write

0x0

0x0050

Manchester Encoder Decoder Register

US_MAN

Read-write

0xB0011004

0xE4

Write Protect Mode Register

US_WPMR

Read-write

0x0

0xE8

Write Protect Status Register

US_WPSR

Read-only

0x0

0x5C - 0xF8

Reserved

–

–

–

0xFC

Version Register

US_VERSION

Read-only

0x100 - 0x128

Reserved for PDC Registers

–

–

–