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HD64F2638F20J Datasheet, PDF (1469/1512 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
PORT4—Port 4 Register
H'FFB3
Port
Bit
7
6
5
4
3
2
1
0
P47
P46
P45
P44
P43
P42
P41
P40
Initial value ⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
⎯*
Read/Write
R
R
R
R
R
R
R
R
State of the port 4 pins
Note: * Determined by state of pins P47 to P40.
PORT9—Port 9 Register
H'FFB8
Port
Bit
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
P93
P92
P91
P90
Initial value Undefined Undefined Undefined Undefined ⎯*
⎯*
⎯*
⎯*
Read/Write
⎯
⎯
⎯
⎯
R
R
R
R
State of the port 9 pins
Note: * Determined by state of pins P93 to P90.
PORTA—Port A Register
H'FFB9
Port
Bit
7
6
5
4
3
2
1
0
⎯
⎯
⎯
⎯
PA3
PA2
PA1
PA0
Initial value Undefined Undefined Undefined Undefined ⎯*
⎯*
⎯*
⎯*
Read/Write
⎯
⎯
⎯
⎯
R
R
R
R
State of the port A pins
Note: * Determined by state of pins PA3 to PA0.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 1419 of 1458