HD64F3644PV Datasheet, PDF (506/551 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix B Internal I/O Registers
IEGR1—Interrupt edge select register 1
Bit
7
6
5
—
—
—
Initial value
0
1
1
Read/Write
—
—
—
H'FFF2
System control
4
3
2
1
0
—
IEG3 IEG2 IEG1 IEG0
1
0
0
0
0
—
R/W R/W R/W R/W
IRQ₀ edge select
0 Falling edge of IRQ₀ pin input is detected
1 Rising edge of IRQ₀ pin input is detected
IRQ₁ edge select
0 Falling edge of IRQ₁ pin input is detected
1 Rising edge of IRQ₁ pin input is detected
IRQ₂ edge select
0 Falling edge of IRQ₂ pin input is detected
1 Rising edge of IRQ₂ pin input is detected
IRQ₃ edge select
0 Falling edge of IRQ₃ pin input is detected
1 Rising edge of IRQ₃ pin input is detected
Rev. 6.00 Sep 12, 2006 page 484 of 526
REJ09B0326-0600