H8S2194 Datasheet, PDF (547/1078 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 25 I²C Bus Interface (IIC)
V_CC
V_CC
SCL_in
SCL_out
SCL
SDA_in
SDA_out
SDA
(Master)
This chip
SCL_in
SCL_out
SCL_in
SCL_out
SCL
SDA
SDA_in
SDA_out
SDA_in
SDA_out
(Slave 1)
(Slave 2)
Figure 25.2 I²C Bus Interface Connections (Example: This Chip as Master)
25.1.3 Pin Configuration
Table 25.1 summarizes the input/output pins used by the I²C bus interface.
Table 25.1 I²C Bus Interface Pins
Name
Serial clock pin
Serial data pin
Abbrev. I/O
SCL
I/O
SDA
I/O
Function
IIC serial clock input/output
IIC serial data input/output
Rev.3.00 Jan. 10, 2007 page 511 of 1038
REJ09B0328-0300