Renesas H8S/2158 User Manual page 134

16-bit single-chip microcomputer h8s family/h8s/2100 series
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Section 5 Interrupt Controller
ISCRH
Bit
Bit Name
7
IRQ7SCB
6
IRQ7SCA
5
IRQ6SCB
4
IRQ6SCA
3
IRQ5SCB
2
IRQ5SCA
1
IRQ4SCB
0
IRQ4SCA
ISCRL
Bit
Bit Name
7
IRQ3SCB
6
IRQ3SCA
5
IRQ2SCB
4
IRQ2SCA
3
IRQ1SCB
2
IRQ1SCA
1
IRQ0SCB
0
IRQ0SCA
* ExIRQn stands for ExIRQ3 or ExIRQ2.
Note:
Rev. 3.00 Jan 25, 2006 page 80 of 872
REJ09B0286-0300
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Initial Value
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
0
R/W
Description
IRQn Sense Control B
IRQn Sense Control A
00: Interrupt request generated at low level of
IRQn or ExIRQn input
01: Interrupt request generated at falling edge
of IRQn or ExIRQn input
10: Interrupt request generated at rising edge
of IRQn or ExIRQn input
11: Interrupt request generated at both falling
and rising edges of IRQn or ExIRQn input
(n = 7 to 4)
Description
IRQn Sense Control B
IRQn Sense Control A
00: Interrupt request generated at low level of
IRQn or ExIRQn * input
01: Interrupt request generated at falling edge
of IRQn or ExIRQn * input
10: Interrupt request generated at rising edge
of IRQn or ExIRQn * input
11: Interrupt request generated at both falling
and rising edges of IRQn or ExIRQn * input
(n = 3 to 0)

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