HD6412350 Hitachi, HD6412350 Datasheet - Page 117

• Manufacturer Part Number: HD6412350
• Description: (HD6412350 / HD6432351) 16-BIT MICROCONTROLLER
• Manufacturer: Hitachi

5.2.4
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.
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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