h8s-2161b Renesas Electronics Corporation., h8s-2161b Datasheet - Page 277

• Manufacturer Part Number: h8s-2161b
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2100 Series
• Manufacturer: Renesas Electronics Corporation.

8.15.1
PEDDR and PFDDR select input or output for the pins of port E and port F on a bit-by-bit basis.
Bit
7
6
5
4
3
2
1
0
Bit
7
6
5
4
3
2
1
0
Bit Name
PE7DDR
PE6DDR
PE5DDR
PE4DDR
PE3DDR
PE2DDR
PE1DDR
PE0DDR
Bit Name
PF7DDR
PF6DDR
PF5DDR
PF4DDR
PF3DDR
PF2DDR
PF1DDR
PF0DDR
Port E and Port F Data Direction Registers (PEDDR, PFDDR)
Initial Value
Initial Value
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
R/W
W
W
W
W
W
W
W
W
R/W
W
W
W
W
W
W
W
W
Description
0: Port E pin is an input pin
1: Port E pin is an output pin
PEDDR has the same address as PEPIN, and if
read, the port E pin states will be returned.
Description
0: Port F pin is an input pin
1: Port F pin is an output pin
PFDDR has the same address as PFPIN, and if
read, the port F pin states will be returned.
Rev. 3.00 Mar 21, 2006 page 223 of 788
Section 8 I/O Ports
REJ09B0300-0300