Rainbow Electronics W90P710CDG User Manual

Page 421

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W90P710CD/W90P710CDG

Publication Release Date: September 19, 2006

- 421 -

Revision B2

31

30

29

28

27

26

25

24

RESERVED

23

22

21

20

19

18

17

16

RESERVED

15

14

13

12

11

10

9

8

RESERVED

7

6

5

4

3

2

1

0

EnINT5 DBE5

ISTYPE5

EnINT4 DBE4

ISTYPE4

BITS

DESCRIPTION

[31:8] RESERVED

-

[7]

EnINT5

Enable INT5
Setting this bit 1 to enable extend interrupt 5.
1 = Enable interrupt 5
0 = Disable interrupt 5
The AIC interrupt channel 31 is reserved for interrupt 5 and 4 (wired-OR), if
this bit is set and interrupt 5 occur, then it will send an interrupt request
signal into AIC module.

[6]

DBE5

Debounce circuit enable for INT5
(alternative function of nWAIT pin)
Extend interrupt 5 shares the same debounce circuit with nIRQ[3:0],
software can configure debounce sampling time in GPIO_DEBNCE control
register. DBE5 function is the same as DBE0 in GPIO_DBENCE register.
1 = Enable debounce
0 = Disable debounce

[5:4]

STYPE5

Interrupt 5 source type

ISTYPE5

Interrupt Source Type

2’b00

LOW level sensitive

2’b01

HIGH level sensitive

2’b10

Negative edge triggered

2’b11

Positive edge triggered

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