HD64F2636F20 Datasheet, PDF (598/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 15 I²C Bus Interface [Option]
(Only for the H8S/2638, H8S/2639, and H8S/2630)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
V_CC
V_CC
SCL_in
SCL_out
SCL
SDA_in
SDA_out
SDA
(Master)
Chip
SCL_in
SCL_out
SCL_in
SCL_out
SCL
SDA
SDA_in
SDA_out
SDA_in
SDA_out
(Slave 1)
(Slave 2)
Figure 15-2 I²C Bus Interface Connections
(Example: The Chip as Master)
15.1.3 Input/Output Pins
Table 15-1 summarizes the input/output pins used by the I²C bus interface.
Table 15-1 I²C Bus Interface Pins
Channel Name
Abbreviation
I/O
Function
0
Serial clock
SCL0
I/O
IIC0 serial clock input/output
Serial data
SDA0
I/O
IIC0 serial data input/output
1
Serial clock
SCL1
I/O
IIC1 serial clock input/output
Serial data
SDA1
I/O
IIC1 serial data input/output
Note: In the text, the channel subscript is omitted, and only SCL and SDA are used.
Page 548 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010