h8s-2649 Renesas Electronics Corporation., h8s-2649 Datasheet - Page 113

• Manufacturer Part Number: h8s-2649
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

5.3.3
The ISCR registers select the source that generates an interrupt request at pins IRQ0 to IRQ5.
•
Bit
15 to 12
11
10
9
8
ISCRH
IRQ Sense Control Registers H and L (ISCRH, ISCRL)
Bit Name

IRQ5SCB
IRQ5SCA
IRQ4SCB
IRQ4SCA
Initial
Value
All 0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Reserved
The write value should always be 0.
IRQ5 Sense Control B
IRQ5 Sense Control A
00: Interrupt request generated at IRQ5 input level low
01: Interrupt request generated at falling edge of IRQ5
10: Interrupt request generated at rising edge of IRQ5
11: Interrupt request generated at both falling and rising
IRQ4 Sense Control B
IRQ4 Sense Control A
00: Interrupt request generated at IRQ4 input level low
01: Interrupt request generated at falling edge of IRQ4
10: Interrupt request generated at rising edge of IRQ4
11: Interrupt request generated at both falling and rising
Description
edges of IRQ5 input
edges of IRQ4 input
input
input
input
input
Rev. 2.00 Dec. 05, 2005 Page 75 of 724
Section 5 Interrupt Controller
REJ09B0200-0200