h8s-2628 Renesas Electronics Corporation., h8s-2628 Datasheet - Page 203

• Manufacturer Part Number: h8s-2628
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

9.10
Port F is an 8-bit I/O port that also has other functions. Port F has the following registers.
9.10.1
PFDDR is an 8-bit write-only register, the individual bits of which specify whether the pins of port
F are used for input or output.
Bit
7
6
5
4
3
2
1
0
Port F data direction register (PFDDR)
Port F data register (PFDR)
Port F register (PORTF)
Bit Name
PF7DDR
PF6DDR
PF5DDR
PF4DDR
PF3DDR
PF2DDR
PF1DDR
PF0DDR
Port F Data Direction Register (PFDDR)
Port F
Initial Value
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
Description
When a pin is specified as a general purpose I/O
port, setting this bit to 1 makes the PF7 pin a
output pin. Clearing this bit to 0 makes the pin an
input pin.
When a pin is specified as a general purpose I/O
port, setting these bits to 1 makes the corresponding
port F pin an output pin. Clearing these bits to 0
makes the pin an input pin.
Rev. 3.00 Oct 04, 2005 page 163 of 598
Section 9 I/O Ports
REJ09B0155-0300