HD64F3664BPV Datasheet, PDF (147/446 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

Section 9 I/O Ports
Initial
Bit
Bit Name Value R/W Description
0
TMOW 0
R/W P10/TMOW Pin Function Switch
This bit selects whether pin P10/TMOW is used as P10
or as TMOW.
0: General I/O port
1: TMOW output pin
9.1.2 Port Control Register 1 (PCR1)
PCR1 selects inputs/outputs in bit units for pins to be used as general I/O ports of port 1.
Initial
Bit
Bit Name Value R/W Description
7
PCR17 0
W
When the corresponding pin is designated in PMR1 as
6
PCR16 0
5
PCR15 0
W
a general I/O pin, setting a PCR1 bit to 1 makes the
corresponding pin an output port, while clearing the bit
W
to 0 makes the pin an input port.
4
PCR14 0
W
Bit 3 is a reserved bit.
3



2
PCR12 0
W
1
PCR11 0
W
0
PCR10 0
W
Rev. 6.00 Mar. 24, 2006 Page 117 of 412
REJ09B0142-0600