Datasheet

SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
806
35.8 Serial Peripheral Interface (SPI) User Interface
Table 35-5. Register Mapping
Offset Register Name Access Reset
0x00 Control Register SPI_CR Write-only –
0x04 Mode Register SPI_MR Read/Write 0x0
0x08 Receive Data Register SPI_RDR Read-only 0x0
0x0C Transmit Data Register SPI_TDR Write-only –
0x10 Status Register SPI_SR Read-only 0x000000F0
0x14 Interrupt Enable Register SPI_IER Write-only –
0x18 Interrupt Disable Register SPI_IDR Write-only –
0x1C Interrupt Mask Register SPI_IMR Read-only 0x0
0x20–0x2C Reserved – – –
0x30 Chip Select Register 0 SPI_CSR0 Read/Write 0x0
0x34 Chip Select Register 1 SPI_CSR1 Read/Write 0x0
0x38 Chip Select Register 2 SPI_CSR2 Read/Write 0x0
0x3C Chip Select Register 3 SPI_CSR3 Read/Write 0x0
0x40–0xE0 Reserved – – –
0xE4 Write Protection Mode Register SPI_WPMR Read/Write 0x0
0xE8 Write Protection Status Register SPI_WPSR Read-only 0x0
0xEC–0xF8 Reserved – – –
0xFC Reserved – – –
0x100–0x124 Reserved for PDC Registers – – –