W90N745CD Datasheet, PDF (58/422 Pages) Winbond – 16/32-bit ARM microcontroller

W90N745CD/W90N745CDG
IRQ Wakeup Flag Register (IRQWAKEFLAG)
REGISTER
ADDRESS
IRQWAKEFLAG _{0xFFF0_0024}
R/W
R/W
DESCRIPTION
IRQ Wakeup Flag Register
RESET VALUE
0x0000_0000
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
RESERVED
IRQWAKEFLAG
This register is used to record the wakeup event, after clock recovery, software should check these flags
to identify which nIRQ is used to wakeup the system. And clear the flags in IRQ interrupt sevice routine.
BITS
[31:2]
[1]
[0]
RESERVED
IRQWAKEFLAG[1]
IRQWAKEFLAG[0]
DESCRIPTION
-
nIRQ1 wake up flag
1 = chip is waked up by nIRQ1
0 = no active
nIRQ0 wake up flag
1 = chip is waked up by nIRQ0
0 = no active
Publication Release Date: September 22, 2006
- 53 -
Revision A2