HD64F3664FPV Datasheet, PDF (156/446 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 9 I/O Ports
Initial
Bit
Bit Name Value R/W Description
0
WKP0
0
R/W 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 Description
7
PCR57
0
6
PCR56
0
5
PCR55
0
4
PCR54
0
3
PCR53
0
W When each of the port 5 pins P57 to P50 functions as
W ^{an general I/O port, setting a PCR5 bit to 1 makes the}
corresponding pin an output port, while clearing the bit
W _{to 0 makes the pin an input port.}
W _{Note: Do not set PCR57 and PCR56 to 1 for H8/3664N.}
W
2
PCR52
0
W
1
PCR51
0
W
0
PCR50
0
W
Rev. 6.00 Mar. 24, 2006 Page 126 of 412
REJ09B0142-0600