HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 244

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Legend:
Note:
Rev. 1.00, 02/04, page 206 of 804
Bit
9
8
7
6
5
4
3
2
1
0
*
Bit Name
IRQ41S
IRQ40S
IRQ31S
IRQ30S
IRQ21S
IRQ20S
IRQ11S
IRQ10S
IRQ01S
IRQ00S
n = 0 to 4
The IRQE bit must be cleared to 0 before the BL bit in the status register (SR) is
cleared to 0 in the initialization routine after reset, and must then not be changed. If the
IRQE bit is set to 1 when the BL bit is cleared to 0, correct operation cannot be
guaranteed.
Initial
Value
0
0
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Description
IRQn Sense Select
These bits select whether interrupt request signals
corresponding to pins IRQ4 to IRQ0 are detected by a
rising edge, falling edge, high level, or low level.
Bit 2n+1 Bit 2n
IRQn1S
0
0
1
1
IRQn0S
0
1
0
1
Interrupt request is detected
at the falling edge of IRQn
input
Interrupt request is detected
at the rising edge of IRQn
input
Interrupt request is detected
on low level of IRQn input
Interrupt request is detected
on high level of IRQn input