Datasheet

Section 16 I
2
C Bus Interface (IIC) (Optional)
Rev. 3.00 Mar 21, 2006 page 420 of 788
REJ09B0300-0300
Table 16.2 Communication Format
DDCSWR SAR SARX
SW FS FSX Operating Mode
0I
2
C bus format
• SAR and SARX slave addresses recognized
• General call address recognized
0
1I
2
C bus format
• SAR slave address recognized
• SARX slave address ignored
• General call address recognized
0I
2
C bus format
• SAR slave address ignored
• SARX slave address recognized
• General call address ignored
0
1
1 Clocked synchronous serial format
• SAR and SARX slave addresses ignored
• General call address ignored
00
1
0
Formatless mode (start/stop conditions not detected)
• Acknowledge bit used
1
1
1 Formatless mode (start/stop conditions not detected)
• No acknowledge bit
Do not set this mode when automatic switching to the I
2
C
bus format is performed by means of the DDCSWR setting.
• I
2
C bus format: addressing format with an acknowledge bit
• Clocked synchronous serial format: non-addressing format without an acknowledge bit, for
master mode only
• Formatless mode (for IIC_0 only): non-addressing format with or without an acknowledge bit,
slave mode only, start/stop conditions not detected