HD64F7144F50V Datasheet, PDF (516/932 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

14. I²C Bus Interface (IIC) Option
V_CC
Vcc
SCL_in
SCL_out
SCL
SDA_in
SDA_out
SDA
(Master)
This LSI
SCL_in
SCL_out
SCL_in
SCL_out
SCL
SDA
SDA_in
SDA_out
SDA_in
SDA_out
(Slave 1)
(Slave 2)
Figure 14.2 Example of the Connection of I²C Bus Interfaces
(This LSI Is the Master Device)
14.2 Input/Output Pins
The I/O pins of the I²C bus interface are listed in table 14.1.
Table 14.1 Pin Configuration
Channel
Pin Name*
I/O
Function
0
SCL0
I/O
Serial clock I/O pin
SDA0
I/O
Serial data I/O pin
Note: * In this manual, these pin names are abbreviated to SCL and SDA, respectively.
Rev.4.00 Mar. 27, 2008 Page 470 of 882
REJ09B0108-0400