HD64F2638F20J Datasheet, PDF (1381/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Appendix B Internal I/O Register
P1DDR—Port 1 Data Direction Register
H'FE30
Port
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
P17DDR P16DDR P15DDR P14DDR P13DDR P12DDR P11DDR P10DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Specify input or output for each of the pins in port 1
P3DDR—Port 3 Data Direction Register
H'FE32
Port
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
⎯
⎯ P35DDR P34DDR P33DDR P32DDR P31DDR P30DDR
Undefined Undefined 0
0
0
0
0
0
⎯
⎯
W
W
W
W
W
W
Specify input or output for each of the pins in port 3
PADDR—Port A Data Direction Register
H'FE39
Port
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯ PA3DDR PA2DDR PA1DDR PA0DDR
Undefined Undefined Undefined Undefined 0
0
0
0
⎯
⎯
⎯
⎯
W
W
W
W
Specify input or output for each of the pins in port A
PBDDR—Port B Data Direction Register
H'FE3A
Port
Bit
Initial value
Read/Write
7
6
5
4
3
2
1
0
PB7DDR PB6DDR PB5DDR PB4DDR PB3DDR PB2DDR PB1DDR PB0DDR
0
0
0
0
0
0
0
0
W
W
W
W
W
W
W
W
Specify input or output for each of the pins in port B
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1331 of 1458