Atmel SAM4L-EK Atmel ATSAM4L-EK ATSAM4L-EK Data Sheet
Product codes
ATSAM4L-EK
676
42023E–SAM–07/2013
ATSAM4L8/L4/L2
26.8
User Interface
Note:
1. The reset values are device specific. Refer to the Module Configuration section at the end of this chapter.
Table 26-3.
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
0xE4
Write Protection Control Register
WPCR
Read/Write
0X00000000
0xE8
Write Protection Status Register
WPSR
Read-only
0x00000000
0xF8
Features Register
FEATURES
Read-only
-
0xFC
Version Register
VERSION
Read-only
-