Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet
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Product codes
ATSAM4L-XPRO
722
42023E–SAM–07/2013
ATSAM4L8/L4/L2
27.9
User Interface
Note:
1. The reset values for these registers are device specific. Refer to the Module Configuration section at the end of this chapter.
Table 27-6.
TWIM Register Memory Map
Offset
Register
Register Name
Access
Reset
0x00
Control Register
CR
Write-only
0x00000000
0x04
Clock Waveform Generator Register
CWGR
Read/Write
0x00000000
0x08
SMBus Timing Register
SMBTR
Read/Write
0x00000000
0x0C
Command Register
CMDR
Read/Write
0x00000000
0x10
Next Command Register
NCMDR
Read/Write
0x00000000
0x14
Receive Holding Register
RHR
Read-only
0x00000000
0x18
Transmit Holding Register
THR
Write-only
0x00000000
0x1C
Status Register
SR
Read-only
0x00000002
0x20
Interrupt Enable Register
IER
Write-only
0x00000000
0x24
Interrupt Disable Register
IDR
Write-only
0x00000000
0x28
Interrupt Mask Register
IMR
Read-only
0x00000000
0x2C
Status Clear Register
SCR
Write-only
0x00000000
0x30
Parameter Register
PR
Read-only
0x34
Version Register
VR
Read-only
0x38
HS-mode Clock Waveform Generator
HSCWGR
Read/Write
0x00000000
0x3C
Slew Rate Register
SRR
Read/Write
0x00000000
0x40
HS-mode Slew Rate Register
HSSRR
Read/Write
0x00000000