HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 128

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

5.2.4
The ISCR registers are 16-bit readable/writable registers that select rising edge, falling edge, or
both edge detection, or level sensing, for the input at pins IRQ7 to IRQ0.
The ISCR registers are initialized to H'0000 by a reset and in hardware standby mode.
Bits 15 to 0: IRQ7 Sense Control A and B (IRQ7SCA, IRQ7SCB) to IRQ0 Sense Control A and
B (IRQ0SCA, IRQ0SCB)
Bits 15 to 0
IRQ7SCB to
IRQ0SCB
0
1
Bit
Initial value
R/W
Bit
Initial value
R/W
ISCRH
ISCRL
IRQ Sense Control Registers H and L (ISCRH, ISCRL)
:
:
:
:
:
:
IRQ7SCA to
IRQ0SCA
0
1
0
1
IRQ7SCB
IRQ3SCB
R/W
R/W
15
0
7
0
IRQ7SCA
IRQ3SCA
R/W
R/W
14
0
6
0
Description
Interrupt request generated at IRQ7 to IRQ0 input low level
Interrupt request generated at falling edge of IRQ7 to IRQ0 input
Interrupt request generated at rising edge of IRQ7 to IRQ0 input
Interrupt request generated at both falling and rising edges of
IRQ7 to IRQ0 input
IRQ6SCB
IRQ2SCB
R/W
R/W
13
0
5
0
IRQ6SCA
IRQ2SCA
R/W
R/W
12
0
4
0
IRQ5SCB
IRQ1SCB
R/W
R/W
11
0
3
0
IRQ5SCA
IRQ1SCA
R/W
R/W
10
0
2
0
IRQ4SCB
IRQ0SCB
R/W
R/W
9
0
1
0
(Initial value)
IRQ4SCA
IRQ0SCA
R/W
R/W
8
0
0
0
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