Rainbow Electronics W90N740 - Manual (Page 182)

W90N740
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AIC Interrupt Status Register (AIC_ISR)
Register Address R/W Description Reset Value
AIC_ISR 0xFFF8.2108 R Interrupt Status Register 0x0000.0000
31 30 29 28 27 26 25 24
RESERVED
23 22 21 20 19 18 17 16
RESERVED IS18 IS17 IS16
15 14 13 12 11 10 9 8
IS15 IS14 IS13 IS12 IS11 IS10 IS9 IS8
7 6 5 4 3 2 1 0
IS7 IS6 IS5 IS4 IS3 IS2 IS1 RESERVED
This register identifies those interrupt channels whose are both active and enabled.
ISx: Interrupt Status
Indicates the status of corresponding interrupt channel
0 = Two possibilities:
(1) The corresponding interrupt channel is inactive no matter whether it is enabled or
disabled;
(2) It is active but not enabled
1 = Corresponding interrupt channel is both active and enabled (can assert an interrupt)