NUC920ABN Datasheet, PDF (403/529 Pages) Nuvoton Technology Corporation – 32-BIT ARM926EJ-S BASED MCU

NUC920ABN
32-BIT ARM926EJ-S BASED MCU
AIC Interrupt Status Register (AIC_ISR)
This register identifies those interrupt channels whose are both active and enabled.
Register
AIC_ISR
Address
0xB800_2108
R/W
R
Description
Interrupt Status Register
Reset Value
0x0000_0000
31
IS31
23
IS23
15
IS15
7
IS7
30
IS30
22
IS22
14
IS14
6
IS6
29
IS29
21
IS21
13
IS13
5
IS5
28
IS28
20
IS20
12
IS12
4
IS4
27
IS27
19
IS19
11
IS11
3
IS3
26
IS26
18
IS18
10
IS10
2
IS2
25
IS25
17
IS17
9
IS9
1
IS1
24
IS24
16
IS16
8
IS8
0
RESERVED
Bits
[31:1]
Descriptions
Interrupt Status
Indicates the status of corresponding interrupt channel
0 = Two possibilities:
IS x
(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)
Publication Release Date: Jun. 18, 2010
403
Revision: A3