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HD6433644R Datasheet(PDF) 84 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 84 Page - Renesas Technology Corp

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Section 3 Exception Handling
Rev. 6.00 Sep 12, 2006 page 64 of 526
REJ09B0326-0600
Bit 2
IRQ2 Edge Select (IEG2): Bit 2 selects the input sensing of pin IRQ2.
Bit 2: IEG2
Description
0
Falling edge of
IRQ2 pin input is detected
(initial value)
1
Rising edge of
IRQ2 pin input is detected
Bit 1
IRQ1 Edge Select (IEG1): Bit 1 selects the input sensing of pin IRQ1.
Bit 1: IEG1
Description
0
Falling edge of
IRQ1 pin input is detected
(initial value)
1
Rising edge of
IRQ1 pin input is detected
Bit 0
IRQ0 Edge Select (IEG0): Bit 0 selects the input sensing of pin IRQ0.
Bit 0: IEG0
Description
0
Falling edge of
IRQ0 pin input is detected
(initial value)
1
Rising edge of
IRQ0 pin input is detected
Interrupt Edge Select Register 2 (IEGR2)
Bit
7
6
5
4
3
2
1
0
INTEG7 INTEG6 INTEG5 INTEG4 INTEG3 INTEG2 INTEG1 INTEG0
Initial value
0
0
0
0
0
0
0
0
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
IEGR2 is an 8-bit read/write register, used to designate whether pins
INT
7 to INT0, and TMIB are
set to rising edge sensing or falling edge sensing. Upon reset, IEGR2 is initialized to H'00.
Bit 7
INT7 Edge Select (INTEG7): Bit 7 selects the input sensing of the INT7 pin.
Bit 7: INTEG7
Description
0
Falling edge of
INT7 pin input is detected
(initial value)
1
Rising edge of
INT7 pin input is detected



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