HD64336900G Datasheet, PDF (148/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

9.3.5 Pin Functions
The correspondence between the register specification and the port functions is shown below.
• P57/SCL pin
Register ICCR
PCR5
Bit Name ICE
PCR57
Pin Function
Setting value 0
0
P57 input pin
1
P57 output pin
1
X
SCL I/O pin*
[Legend]
X:
Don't care
Note: As the SCL output form is NMOS open-drain, direct bus drive is enabled.
* Supported only by the H8/36912 Group.
• P56/SDA pin
Register ICCR
PCR5
Bit Name ICE
PCR56
Pin Function
Setting value 0
0
P56 input pin
1
P56 output pin
1
X
SDA I/O pin*
[Legend]
X:
Don't care
Note: As the SDA output form is NMOS open-drain, direct bus drive is enabled.
* Supported only by the H8/36912 Group.
• P55/WKP5/ADTRG pin
Register PMR5
PCR5
Bit Name WKP5
PCR55
Setting value 0
0
1
1
X
[Legend]
X: Don't care
Pin Function
P55 input pin
P55 output pin
WKP5/ADTRG input pin
Rev. 1.00, 11/03, page 120 of 376