Datasheet

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 -
(1)
0x34 Version Register VR Read-only -
(1)
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