HD64F2145 Datasheet, PDF (440/829 Pages) Renesas Technology Corp – Hitachi 16-Bit Single-Chip Microcomputer

Table 16.2 Communication Format
DDCSWR SAR
SW
FS
0
0
1
1
0
1
SARX
FSX
0
1
0
1
0
1
0
Operating Mode
I²C bus format
• SAR and SARX slave addresses recognized
• General call address recognized
I²C bus format
• SAR slave address recognized
• SARX slave address ignored
• General call address recognized
I²C bus format
• SAR slave address ignored
• SARX slave address recognized
• General call address ignored
Clocked synchronous serial format
• SAR and SARX slave addresses ignored
• General call address ignored
Formatless mode (start/stop conditions not detected)
• Acknowledge bit used
1
Formatless mode* (start/stop conditions not detected)
• No acknowledge bit
Do not set this mode when automatic switching to the I²C
bus format is performed by means of the DDCSWR setting.
• I²C 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
Rev. 2.0, 08/02, page 400 of 788