Datasheet

Section 5 Interrupt Controller
Rev. 2.00 Sep. 28, 2009 Page 77 of 870
REJ09B0429-0200
• ISCRH
Bit Bit Name
Initial
Value
R/W Description
7
6
IRQ7SCB
IRQ7SCA
0
0
R/W
R/W
5
4
IRQ6SCB
IRQ6SCA
0
0
R/W
R/W
3
2
IRQ5SCB
IRQ5SCA
0
0
R/W
R/W
1
0
IRQ4SCB
IRQ4SCA
0
0
R/W
R/W
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)
Note: * IRQn stands for IRQ7 to IRQ4.
• ISCRL
Bit Bit Name
Initial
Value
R/W Description
7
6
IRQ3SCB
IRQ3SCA
0
0
R/W
R/W
5
4
IRQ2SCB
IRQ2SCA
0
0
R/W
R/W
3
2
IRQ1SCB
IRQ1SCA
0
0
R/W
R/W
1
0
IRQ0SCB
IRQ0SCA
0
0
R/W
R/W
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)
Note: * IRQn stands for IRQ3 to IRQ0.