Datasheet

SAM3X / SAM3A [DATASHEET]

Atmel-11057C-ATARM-SAM3X-SAM3A-Datasheet_23-Mar-15

696

32.8.3 SPI Receive Data Register

Name: SPI_RDR

Address: 0x40008008 (0), 0x4000C008 (1)

Access: Read-only

• RD: Receive Data

Data received by the SPI Interface is stored in this register right-justified. Unused bits read zero.

• PCS: Peripheral Chip Select

In Master Mode only, these bits indicate the value on the NPCS pins at the end of a transfer. Otherwise, these bits read

zero.

Note: When using variable peripheral select mode (PS = 1 in SPI_MR) it is mandatory to also set the WDRBT field to 1 if the SPI_RDR

PCS field is to be processed.

31 302928 27 26 25 24

––––––––

23 22 21 20 19 18 17 16

–––– PCS

15 14 13 12 11 10 9 8

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