SH7730 Datasheet, PDF (623/1188 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperHTM RISC engine Family / SH7780 Series

Section 20 I2C Bus Interface (IIC)
20.2 Input/Output Pins
Table 20.1 shows the pin configuration of the I²C bus interface.
Table 20.1 Pin Configuration
Channel
Pin Name
I/O
Function
0
IIC0_SCL
I/O
I²C serial clock input/output
IIC0_SDA
I/O
I²C serial data input/output
1
IIC1_SCL
I/O
I²C serial clock input/output
IIC1_SDA
I/O
I²C serial data input/output
Note: The interface numbers are abbreviated and the respective sets of pins are collectively
denoted by ACL and SDL.
Figure 20.2 shows an example of I/O pin connections to external circuits.
VccQ* VccQ*
SCL
SCL in
SCL out
SDA in
SDA out
SDA
(Master)
SCL in
SCL out
SCL in
SCL out
SCL
SDA
SDA in
SDA out
SDA in
SDA out
(Slave 1)
(Slave 2)
Note: * Turn on/off VccQ for the I²C bus power supply and for this LSI simultaneously.
Figure 20.2 External Circuit Connections of I/O Pins
Rev. 1.00 Sep. 19, 2007 Page 575 of 1136
REJ09B0359-0100