r5f71374an80fpv Renesas Electronics Corporation., r5f71374an80fpv Datasheet - Page 675

• Manufacturer Part Number: r5f71374an80fpv
• Description: 32-bit Risc Microcomputer Superh?? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

Bit
5
4
3
2
1
0
Bit Name
SDAO
SDAOP
SCLO

IICRST

Initial
Value
1
1
1
1
0
1
R/W
R/W
R/W
R
R
R/W
R
Description
SDA Output Value Control
This bit is used with SDAOP when modifying output
level of SDA. This bit should not be manipulated during
transfer.
0: When reading, SDA pin outputs low.
1: When reading, SDA pin outputs high.
SDAO Write Protect
This bit controls change of output level of the SDA pin
by modifying the SDAO bit. To change the output level,
clear SDAO and SDAOP to 0 or set SDAO to 1 and
clear SDAOP to 0. This bit is always read as 1.
This bit monitors SCL output level. When SCLO is 1,
SCL pin outputs high. When SCLO is 0, SCL pin
outputs low.
Reserved
This bit is always read as 1. The write value should
always be 1.
IIC Control Part Reset
This bit resets the control part except for I
this bit is set to 1 when hang-up occurs because of
communication failure during I
registers and control part can be reset.
Reserved
This bit is always read as 1. The write value should
always be 1.
When writing, SDA pin is changed to output low.
When writing, SDA pin is changed to output Hi-Z
(outputs high by external pull-up resistance).
Rev. 1.00 Sep. 21, 2007 Page 649 of 1124
Section 16 I
2
C operation, some of I
2
C Bus Interface 2 (I
REJ09B0402-0100
2
C registers. If
2
C2)
2
C