Datasheet

Section 5 Interrupt Controller
Page 118 of 1408 R01UH0309EJ0500 Rev. 5.00
Sep 24, 2012
H8S/2456, H8S/2456R, H8S/2454 Group
5.3.4 IRQ Sense Control Registers H and L (ISCRH, ISCRL)
ISCR select the source that generates an interrupt request at pins IRQ15 to IRQ0.
• ISCRH (H8S/2456 Group only)
Bit Bit Name Initial Value R/W Description
15
14
IRQ15SCB
IRQ15SCA
0
0
R/W
R/W
IRQ15 Sense Control B
IRQ15 Sense Control A
00: Interrupt request generated at IRQ15 input low
level
01: Interrupt request generated at falling edge of
IRQ15 input
10: Interrupt request generated at rising edge of
IRQ15 input
11: Interrupt request generated at both falling and
rising edges of IRQ15 input
13
12
IRQ14SCB
IRQ14SCA
0
0
R/W
R/W
IRQ14 Sense Control B
IRQ14 Sense Control A
00: Interrupt request generated at IRQ14 input low
level
01: Interrupt request generated at falling edge of
IRQ14 input
10: Interrupt request generated at rising edge of
IRQ14 input
11: Interrupt request generated at both falling and
rising edges of IRQ14 input
11
10
IRQ13SCB
IRQ13SCA
0
0
R/W
R/W
IRQ13 Sense Control B
IRQ13 Sense Control A
00: Interrupt request generated at IRQ13 input low
level
01: Interrupt request generated at falling edge of
IRQ13 input
10: Interrupt request generated at rising edge of
IRQ13 input
11: Interrupt request generated at both falling and
rising edges of IRQ13 input