r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 144

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

Section 5 Interrupt Controller
5.3.4
ISCR select the source that generates an interrupt request at pins IRQ15 to IRQ0.
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Rev. 1.00 Sep. 19, 2008 Page 114 of 1342
REJ09B0467-0100
Bit
15
14
13
12
11
10
ISCRH (H8S/2456 Group only)
Bit Name
IRQ15SCB
IRQ15SCA
IRQ14SCB
IRQ14SCA
IRQ13SCB
IRQ13SCA
IRQ Sense Control Registers H and L (ISCRH, ISCRL)
Initial Value
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
IRQ15 Sense Control B
IRQ15 Sense Control A
00: Interrupt request generated at IRQ15 input low
01: Interrupt request generated at falling edge of
10: Interrupt request generated at rising edge of
11: Interrupt request generated at both falling and
IRQ14 Sense Control B
IRQ14 Sense Control A
00: Interrupt request generated at IRQ14 input low
01: Interrupt request generated at falling edge of
10: Interrupt request generated at rising edge of
11: Interrupt request generated at both falling and
IRQ13 Sense Control B
IRQ13 Sense Control A
00: Interrupt request generated at IRQ13 input low
01: Interrupt request generated at falling edge of
10: Interrupt request generated at rising edge of
11: Interrupt request generated at both falling and
level
IRQ15 input
IRQ15 input
rising edges of IRQ15 input
level
IRQ14 input
IRQ14 input
rising edges of IRQ14 input
level
IRQ13 input
IRQ13 input
rising edges of IRQ13 input