SAM4L Datasheet, PDF (717/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/L2
27.9 User Interface
Table 27-6.
Offset
0x00
0x04
0x08
0x0C
0x10
0x14
0x18
0x1C
0x20
0x24
0x28
0x2C
0x30
0x34
0x38
0x3C
0x40
TWIM Register Memory Map
Register
Control Register
Clock Waveform Generator Register
SMBus Timing Register
Command Register
Next Command Register
Receive Holding Register
Transmit Holding Register
Status Register
Interrupt Enable Register
Interrupt Disable Register
Interrupt Mask Register
Status Clear Register
Parameter Register
Version Register
HS-mode Clock Waveform Generator
Slew Rate Register
HS-mode Slew Rate Register
Register Name
CR
CWGR
SMBTR
CMDR
NCMDR
RHR
THR
SR
IER
IDR
IMR
SCR
PR
VR
HSCWGR
SRR
HSSRR
Access
Write-only
Read/Write
Read/Write
Read/Write
Read/Write
Read-only
Write-only
Read-only
Write-only
Write-only
Read-only
Write-only
Read-only
Read-only
Read/Write
Read/Write
Read/Write
Reset
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000000
0x00000002
0x00000000
0x00000000
0x00000000
0x00000000
-⁽¹⁾
-⁽¹⁾
0x00000000
0x00000000
0x00000000
Note: 1. The reset values for these registers are device specific. Refer to the Module Configuration section at the end of this chapter.
42023C–SAM–02/2013
717