M306H7MG-XXXFP Datasheet, PDF (152/329 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER with DATA ACQUISITION CONTROLLER

M306H7MG-XXXFP/MC-XXXFP/FGFP
11. MULTI-MASTER I²C BUS INTERFACE
I²C control register
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
IIC0S1D
Address
02E316
When reset
0016
Bit Symbol
Bit name
Function
RW
BC0
Bit counter
b2 b1 b0
RW
(Number of
0 0 0 :8
transmit/receive bits) 0 0 1 : 7
BC1
0 1 0 :6
0 1 1 :5
1 0 0 :4
1 0 1 :3
BC2
1 1 0 :2
1 1 1 :1
ESO
I²C-BUS interface use 0 : Disabled
RW
enable bit
1 : Enabled
ALS
Data format selection 0 : Addressing format
RW
bit
1 : Free data format
10BIT SAD Address format selection 0 : 7-bit addressing format
RW
bit
1 : 10-bit addressing format
Nothing is assigned.
In an attempt to write to these bits, write “0.”
The value, if read, turns out to be “0.”
Figure 11.7 I²C control register
Rev.2.10 Oct 25, 2006 Page 152 of 326
REJ03B0152-0210