Datasheet

388
32133D–11/2011
UC3D
21.8 User Interface
Note: 1. The reset values are device specific. Please refer to the Module Configuration section at the end of this chapter.
Table 21-3. SPI Register Memory Map
Offset Register Register Name Access Reset
0x00 Control Register CR Write-only 0x00000000
0x04 Mode Register MR Read/Write 0x00000000
0x08 Receive Data Register RDR Read-only 0x00000000
0x0C Transmit Data Register TDR Write-only 0x00000000
0x10 Status Register SR Read-only 0x00000000
0x14 Interrupt Enable Register IER Write-only 0x00000000
0x18 Interrupt Disable Register IDR Write-only 0x00000000
0x1C Interrupt Mask Register IMR Read-only 0x00000000
0x30 Chip Select Register 0 CSR0 Read/Write 0x00000000
0x34 Chip Select Register 1 CSR1 Read/Write 0x00000000
0x38 Chip Select Register 2 CSR2 Read/Write 0x00000000
0x3C Chip Select Register 3 CSR3 Read/Write 0x00000000
0x E4 Write Protection Control Register WPCR Read/Write 0X00000000
0xE8 Write Protection Status Register WPSR Read-only 0x00000000
0xF8 Features Register FEATURES Read-only -
(1)
0xFC Version Register VERSION Read-only -
(1)