M16C29 Datasheet, PDF (283/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
16. MULTI-MASTER I²C bus INTERFACE
I²C0 Control Register 0
b7
b3 b2 b1 b0
Symbol
S1D0
Address
02E316
After Reset
0016
Bit Symbol
Bit Name
Function
RW
Bit counter
b2 b1 b0
BC0
(Number of transmit/receive ^{0 0 0: 8}
RW
bits) ⁽¹⁾
0 0 1: 7
0 1 0: 6
BC1
0 1 1: 5
RW
1 0 0: 4
1 0 1: 3
BC2
1 1 0: 2
RW
1 1 1: 1
ES0
I²C bus interface
enable bit
0: Disabled
1: Enabled
RW
ALS
Data format select bit
0: Addressing format
1: Free data format
RW
(b5)
Reserved bit
Set to 0
RW
IHR
I²C bus interface
reset bit
0: Reset release (automatic)
1: Reset
RW
TISS
I²C bus interface pin
input level select bit
0: I²C bus input
1: SMBUS input
RW
NOTE:
1.In the following status, the bit counter is set to 000 automatically
•Start condition/stop condition are detected
•Immediately after the completion of 1-byte data transmit
•Immediately after the completion of 1-byte data receive
Figure 16.4 S1D0 Register
Rev. 1.12 Mar.30, 2007 ^{page 259} of 458
REJ09B0101-0112