Datasheet

Section 18 I
2
C Bus Interface [Option]
(This function is not available in the H8S/2695)
Page 840 of 1434 R01UH0166EJ0600 Rev. 6.00
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
SCL
in
SCL
out
SDA
in
SDA
out
(Slave 1)
SCL SDA
SCL
in
SCL
out
SDA
in
SDA
out
(Slave 2)
SCL SDA
SCL
in
SCL
out
SDA
in
SDA
out
(Master)
H8S/2633 Group chip
SCL
SDA
V DD
PVCC2
SCL
SDA
Figure 18.2 I
2
C Bus Interface Connections (Example: H8S/2633 Group Chip as Master)
18.1.3 Input/Output Pins
Table 18.1 summarizes the input/output pins used by the I
2
C bus interface.
Table 18.1 I
2
C 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.