![](http://datasheet.mmic.net.cn/230000/79RC32438-200BB_datasheet_15568909/79RC32438-200BB_244.png)
IDT Interrupt Controller
Non-Maskable Interrupts
79RC32438 User Reference Manual
8 - 6
November 4, 2002
Notes
Non-Maskable Interrupts
Sources of non-maskable interrupts
–
Watchdog timer time-out
–
Setting the NMI bit in the PCI Management (PMGT) register
–
GPIO pin(s) programmed to generate an NMI
The source of an NMI may be determined by checking corresponding status registers
Bit
Interrupt/Status Description
Refer to
0
GPIO 0.
Corresponds to bit 0 of the GPIOISTAT register.
Chapter 12
1
GPIO 1.
Corresponds to bit 1 of the GPIOISTAT register.
Chapter 12
2
GPIO 2.
Corresponds to bit 2 of the GPIOISTAT register.
Chapter 12
3
GPIO 3.
Corresponds to bit 3 of the GPIOISTAT register.
Chapter 12
4
GPIO 4.
Corresponds to bit 4 of the GPIOISTAT register.
Chapter 12
5
GPIO 5.
Corresponds to bit 5 of the GPIOISTAT register.
Chapter 12
6
GPIO 6.
Corresponds to bit 6 of the GPIOISTAT register.
Chapter 12
7
GPIO 7.
Corresponds to bit 7 of the GPIOISTAT register.
Chapter 12
8
GPIO 8.
Corresponds to bit 8 of the GPIOISTAT register.
Chapter 12
9
GPIO 9.
Corresponds to bit 9 of the GPIOISTAT register.
Chapter 12
10
GPIO 10.
Corresponds to bit 10 of the GPIOISTAT register.
Chapter 12
11
GPIO 11.
Corresponds to bit 11 of the GPIOISTAT register.
Chapter 12
12
GPIO 12.
Corresponds to bit 12 of the GPIOISTAT register.
Chapter 12
13
GPIO 13.
Corresponds to bit 13 of the GPIOISTAT register.
Chapter 12
14
GPIO 14.
Corresponds to bit 14 of the GPIOISTAT register.
Chapter 12
15
GPIO 15.
Corresponds to bit 15 of the GPIOISTAT register.
Chapter 12
16
GPIO 16.
Corresponds to bit 16 of the GPIOISTAT register.
Chapter 12
17
GPIO 17.
Corresponds to bit 17 of the GPIOISTAT register.
Chapter 12
18
GPIO 18.
Corresponds to bit 18 of the GPIOISTAT register.
Chapter 12
19
GPIO 19.
Corresponds to bit 19 of the GPIOISTAT register.
Chapter 12
20
GPIO 20.
Corresponds to bit 20 of the GPIOISTAT register.
Chapter 12
21
GPIO 21.
Corresponds to bit 21 of the GPIOISTAT register.
Chapter 12
22
GPIO 22.
Corresponds to bit 22 of the GPIOISTAT register.
Chapter 12
23
GPIO 23.
Corresponds to bit 23 of the GPIOISTAT register.
Chapter 12
24
GPIO 24.
Corresponds to bit 24 of the GPIOISTAT register.
Chapter 12
25
GPIO 25.
Corresponds to bit 25 of the GPIOISTAT register.
Chapter 12
26
GPIO 26.
Corresponds to bit 26 of the GPIOISTAT register.
Chapter 12
27
GPIO 27.
Corresponds to bit 27 of the GPIOISTAT register.
Chapter 12
28
GPIO 28.
Corresponds to bit 28 of the GPIOISTAT register.
Chapter 12
29
GPIO 29.
Corresponds to bit 29 of the GPIOISTAT register.
Chapter 12
30
GPIO 30.
Corresponds to bit 30 of the GPIOISTAT register.
Chapter 12
31
GPIO 31.
Corresponds to bit 31 of the GPIOISTAT register.
Chapter 12
Table 8.5 IPEND6 Interrupt Source Description