Interrupt Controller Registers
6.5.1.4
INTC_SIR_IRQ Register (offset = 40h) [reset = FFFFFF80h]
INTC_SIR_IRQ is shown in
and described in
.
This register supplies the currently active IRQ interrupt number.
Figure 6-7. INTC_SIR_IRQ Register
31
30
29
28
27
26
25
24
SpuriousIRQ
R/W-1FFFFFFh
23
22
21
20
19
18
17
16
SpuriousIRQ
R/W-1FFFFFFh
15
14
13
12
11
10
9
8
SpuriousIRQ
R/W-1FFFFFFh
7
6
5
4
3
2
1
0
SpuriousIRQ
ActiveIRQ
R/W-1FFFFFFh
R/W-0h
LEGEND: R/W = Read/Write; R = Read only; W1toCl = Write 1 to clear bit; -n = value after reset
Table 6-7. INTC_SIR_IRQ Register Field Descriptions
Bit
Field
Type
Reset
Description
31-7
SpuriousIRQ
R/W
1FFFFFFh
Spurious IRQ flag
6-0
ActiveIRQ
R/W
0h
Active IRQ number
209
SPRUH73H – October 2011 – Revised April 2013
Interrupts
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