h8s-2172 Renesas Electronics Corporation., h8s-2172 Datasheet - Page 294
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h8s-2172
Manufacturer Part Number
h8s-2172
Description
Renesas 16-bit Single-chip Microcomputer H8s Family H8s-2100 Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.H8S-2172.pdf
(570 pages)
- Current page: 294 of 570
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8.11.2
ISSR selects the input pins for IRQ7 to IRQ0.
Rev. 2.00, 03/04, page 262 of 534
Bit
0
Bit
7
6
5
4
3
2
1
0
Bit Name
AHOE
Bit Name
ISS7
ISS6
ISS5
ISS4
ISS3
ISS2
ISS1
ISS0
IRQ Sense Port Select Register (ISSR)
Initial
Value
0
Initial
Value
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
Address Output Enable
Enables or disables address output.
0: Set as I/O port
1: Set A19 to A16 pins as address output pins
Description
Selects an input pin for IRQ7.
0: P77
1: P57
Selects an input pin for IRQ6.
0: P76
1: P56
Selects an input pin for IRQ5.
0: P75
1: P35
Selects an input pin for IRQ4.
0: P74
1: P34
Selects an input pin for IRQ3.
0: P73
1: P53
Selects an input pin for IRQ2.
0: P72
1: P52
Selects an input pin for IRQ1.
0: P71
1: PA1
Selects an input pin for IRQ0.
0: P70
1: PA0
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