Appendix D Pin States - Hitachi H8S/2646 Hardware Manual

Hitachi 16-bit single-chip microcomputer h8s/2646 series
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D.1
Port States in Each Mode
Table D-1 I/O Port States in Each Processing State (H8S/2646, H8S/2646R, H8S/2645)
MCU
Port Name
Operating
Pin Name
Mode
Port 1
4 to 7
Port 2
4 to 7
Port 3
4 to 7
Port 4
4 to 7
Port 5
4 to 7
Port 9
4 to 7
Port A
4, 5
6
7
Port B
4, 5
6
7

Appendix D Pin States

Hardware
Standby
Reset
Mode
Software Standby Mode
T
T
kept
T
T
kept
T
T
kept
T
T
T
T
T
kept
T
T
T
L
T
[Address output, OPE = 0]
T
T
T
[Address output, OPE = 1]
kept
[Segment, common output]
port
[Otherwise]
kept
T
T
[Segment, common output]
port
[Otherwise]
kept
L
T
[Address output, OPE = 0]
T
T
T
[Address output, OPE = 1]
kept
[Segment output]
port
[Otherwise]
kept
T
T
[Segment output]
port
[Otherwise]
kept
Program Execution State
Sleep Mode
I/O port
I/O port
I/O port
Input port
I/O port
Input port
[Address output]
A23 to A16
[Segment, common output]
SEG24 to SEG21
COM4 to COM1
[Otherwise]
I/O port
[Segment, common output]
SEG24 to SEG21
COM4 to COM1
[Otherwise]
I/O port
[Address output]
A15 to A8
[Segment output]
SEG16 to SEG9
[Otherwise]
I/O port
[Segment output]
SEG16 to SEG9
[Otherwise]
I/O port
1111

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