Rainbow Electronics W90N745CDG - Manual (Page 58)

W90N745CD/W90N745CDG
Publication Release Date: September 22, 2006
- 53 - Revision A2
IRQ Wakeup Flag Register (IRQWAKEFLAG)
REGISTER ADDRESS R/W DESCRIPTION RESET VALUE
IRQWAKEFLAG 0xFFF0_0024 R/W IRQ Wakeup Flag Register 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 DESCRIPTION
[31:2] RESERVED -
[1] IRQWAKEFLAG[1]
nIRQ1 wake up flag
1 = chip is waked up by nIRQ1
0 = no active
[0] IRQWAKEFLAG[0]
nIRQ0 wake up flag
1 = chip is waked up by nIRQ0
0 = no active