M16C28 Datasheet, PDF (274/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
16. MULTI-MASTER I²C bus INTERFACE
I²C0 Control Register 0
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
S1D0
Address
02E316
After Reset
0016
Bit Symbol
Bit Name
Function
RW
BC0 ^{Bit counter}
b2 b1 b0
(Number of transmit/receive 0 0 0 : 8
RW
bits) ⁽¹⁾
0 0 1 :7
0 1 0 :6
BC1
0 1 1 :5
1 0 0 :4
1 0 1 :3
RW
1 1 0 :2
BC2
1 1 1 :1
RW
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) _RW
1: Reset
TISS
I²C bus interface pin
0: I²C bus input
RW
input level select bit
1: SMBUS input
NOTES:
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. 2.00 Jan. 31, 2007 ^{page 254} of 385
REJ09B0047-0200