Renesas H8S Series Hardware Manual page 137

• 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
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 /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
BA
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: The IRQn or ExIRQn pin is selected by the
IRQ sense port select register (ISSR).
Description
IRQn Sense Control B
IRQn Sense Control A
BA
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: The IRQn or ExIRQn pin is selected by the
IRQ sense port select register (ISSR).
Rev. 3.00 Jul. 14, 2005 Page 89 of 986
Section 5 Interrupt Controller
REJ09B0098-0300