Irq Sense Control Registers (Iscr16H, Iscr16L, Iscrh, Iscrl) - Renesas H8S Family Hardware Manual

Section 5 Interrupt Controller
5.3.4

IRQ Sense Control Registers (ISCR16H, ISCR16L, ISCRH, ISCRL)

The ISCR registers select the source that generates an interrupt request at pins IRQ15 to IRQ0 or
pins ExIRQ15 to ExIRQ0.
• ISCR16H
Bit Bit Name
7 IRQ15SCB
6 IRQ15SCA
5 IRQ14SCB
4 IRQ14SCA
3 IRQ13SCB
2 IRQ13SCA
1 IRQ12SCB
0 IRQ12SCA
IRQn stands for IRQ15 to IRQ12.
Note:
*
• ISCR16L
Bit Bit Name
7 IRQ11SCB
6 IRQ11SCA
5 IRQ10SCB
4 IRQ10SCA
3 IRQ9SCB
2 IRQ9SCA
1 IRQ8SCB
0 IRQ8SCA
IRQn stands for IRQ11 to IRQ8.
Note: *
Rev. 1.00 Mar. 12, 2008 Page 82 of 1178
REJ09B0403-0100
Initial
Value R/W Description
0 R/W IRQn Sense Control B
IRQn Sense Control A
0 R/W
00: Interrupt request generated at low level of IRQn* or
0 R/W
0 R/W
01: Interrupt request generated at falling edge of IRQn* or
0 R/W
10: Interrupt request generated at rising edge of IRQn* or
0 R/W
0 R/W
11: Interrupt request generated at both falling and rising
0 R/W
(n = 15 to 12)
Initial
Value R/W Description
0 R/W IRQn Sense Control B
IRQn Sense Control A
0 R/W
00: Interrupt request generated at low level of IRQn* or
0 R/W
0 R/W
01: Interrupt request generated at falling edge of IRQn* or
0 R/W
10: Interrupt request generated at rising edge of IRQn* or
0 R/W
0 R/W
11: Interrupt request generated at both falling and rising
0 R/W
(n = 11 to 8)
ExIRQn input
ExIRQn input
ExIRQn input
edges of IRQn* or ExIRQn input
ExIRQn input
ExIRQn input
ExIRQn input
edges of IRQn* or ExIRQn input