M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
2
I C Control Register
b7 b6 b5 b4 b3 b2 b1 b0
I2C control register (S1D) [Address 00DA16
]
B
Name
Functions
After reset R W
0
to
2
Bit counter
(Number of transmit/recieve
bits)
b2 b1 b0
0
R W
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0: 8
1: 7
0: 6
1: 5
0: 4
1: 3
0: 2
1: 1
(BC0 to BC2)
I2C-BUS interface use
enable bit (ESO)
3
4
5
0: Disabled
1: Enabled
0
R W
Data format selection
bit(ALS)
0: Addressing format
1: Free data format
0
R W
Addressing format selection 0: 7-bit addressing format
0
R W
bit (10BIT SAD)
1: 10-bit addressing format
0
6, 7 Connection control bits
between I2C-BUS interface
and ports
b7 b6 Connection port (See note)
R W
0
0
1
1
0: None
1: SCL1, SDA1
0: SCL2, SDA2
1: SCL1, SDA1, SCL2, SDA2
(BSEL0, BSEL1)
2
Fig. 8.6.6 I C Control Register
Rev.1.00 Oct 01, 2002 page 36 of 110
REJ03B0134-0100Z
RENESAS [ RENESAS TECHNOLOGY CORP ]
