Input/Output Pins; Table 16.1 Pin Configuration - Renesas H8S Series Hardware Manual

16.2

Input/Output Pins

Table 16.1 summarizes the input/output pins used by the I
One of three pins can be specified as SCL and SDA input/output pin of each channel. Two or
more input/output pins should not be specified for one channel.
For the method of setting pins, see section 8.17.2, Port Control Register 1 (PTCNT1).

Table 16.1 Pin Configuration

Channel Symbol*
0 SCL0
SDA0
1 SCL1
SDA1

ExSCLA
ExSDAA
ExSCLB
ExSDAB
Note: In the text, the channel subscript is omitted, and only SCL and SDA are used.
*
Input/Output Function
Input/Output Serial clock input/output pin of IIC_0
Input/Output Serial data input/output pin of IIC_0
Input/Output Serial clock input/output pin of IIC_1
Input/Output Serial data input/output pin of IIC_1
Input/Output Serial clock input/output pin of IIC_0 or IIC_1
Input/Output Serial data input/output pin of IIC_0 or IIC_1
Input/Output Serial clock input/output pin of IIC_0 or IIC_1
Input/Output Serial data input/output pin of IIC_0 or IIC_1
Section 16 I
2
C bus interface.
Rev. 3.00 Jul. 14, 2005 Page 509 of 986
2
C Bus Interface (IIC)
REJ09B0098-0300