HD64F36024FX Datasheet, PDF (132/386 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
Initial
Bit Bit Name Value R/W
0 WKP0
0
R/W
Description
P50/WKP0 Pin Function Switch
Selects whether pin P50/WKP0 is used as P50 or as WKP0.
0: General I/O port
1: WKP0 input pin
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
7 PCR57 0
W
6 PCR56 0
W
5 PCR55 0
W
4 PCR54 0
W
3 PCR53 0
W
2 PCR52 0
W
1 PCR51 0
W
0 PCR50 0
W
Description
When each of the port 5 pins P57 to P50 functions as an
general I/O port, setting a PCR5 bit to 1 makes the
corresponding pin an output port, while clearing the bit to 0
makes the pin an input port.
Rev. 4.00 Sep. 23, 2005 Page 104 of 354
REJ09B0025-0400