HD64F2168 Datasheet, PDF (118/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

• ISCRH
Bit Bit Name Initial Value R/W
7
IRQ7SCB 0
R/W
6
IRQ7SCA 0
R/W
5
IRQ6SCB 0
R/W
4
IRQ6SCA 0
R/W
3
IRQ5SCB 0
R/W
2
IRQ5SCA 0
R/W
1
IRQ4SCB 0
R/W
0
IRQ4SCA 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)
• ISCRL
Bit Bit Name Initial Value R/W
Description
7
IRQ3SCB 0
6
IRQ3SCA 0
R/W
IRQn Sense Control B
R/W
IRQn Sense Control A
5
IRQ2SCB 0
4
IRQ2SCA 0
R/W
00: Interrupt request generated at low level of
R/W
IRQn or ExIRQn* input
3
IRQ1SCB 0
2
IRQ1SCA 0
1
IRQ0SCB 0
0
IRQ0SCA 0
R/W
01: Interrupt request generated at falling edge
R/W
of IRQn or ExIRQn* input
R/W
10: Interrupt request generated at rising edge of
R/W
IRQn or ExIRQn* input
11: Interrupt request generated at both falling
and rising edges of IRQn or ExIRQn* input
(n = 3 to 0)
Note: * ExIRQn stands for ExIRQ3 or ExIRQ2.
Rev. 3.00, 03/04, page 78 of 830