HD64336900G Datasheet, PDF (146/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

9.3.1 Port Mode Register 5 (PMR5)
PMR5 switches the functions of pins in port 5.
Initial
Bit
Bit Name Value R/W Description
7, 6 
All 0

Reserved
These bits are always read as 0.
5
WKP5
0
R/W P55/WKP5/ADTRG Pin Function Switch
Selects whether pin P55/WKP5/ADTRG is used as P55
or as WKP5/ADTRG.
0: General I/O port
1: WKP5/ADTRG input pin
4 to 0 
All 0

Reserved
These bits are always read as 0.
9.3.2 Port Control Register 5 (PCR5)
PCR5 selects inputs/outputs in bit units for pins to be used as general I/O ports of port 5.
Initial
Bit
Bit Name Value R/W Description
7
PCR57 0
6
PCR56 0
5
PCR55 0
W
When each of the port 5 pins, P57 to P55, functions as an
W
general I/O port, setting a PCR5 bit to 1 makes the
corresponding pin an output port, while clearing the bit to
W
0 makes the pin an input port.
4 to 0 


Reserved
Rev. 1.00, 11/03, page 118 of 376