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Section 16 I

C Bus Interface 2 (IIC2)

Rev. 4.00 Sep. 14, 2005 Page 475 of 982

REJ09B0023-0400

VccQ* VccQ*

SCL in

SCL out

SCL

SDA in

SDA out

SDA

SCL

(Master)

(Slave 1)

(Slave 2)

SDA

SCL in

SCL out

SCL

SDA in

SDA out

SDA

SCL in

SCL out

SCL

SDA in

SDA out

SDA

Note: * The I

C bus power supply and this LSI's power supply (VccQ)

must be switched ON or OFF simultaneously.

Figure 16.2 External Circuit Connections of I/O Pins

16.2 Input/Output

Pins

Table 16.1 shows the pin configuration for the I

C bus interface 2.

Table 16.1 I

C Bus Interface Pin Configuration

Name Abbreviation

I/O

Function

Serial clock

SCL

I/O

IIC serial clock input/output

Serial data

SDA

I/O

IIC serial data input/output