ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 58 -
Revision 2.4
Table 5-21 Exception Model
Exception Name
Vector Number
Priority
Reset
1
-3
NMI
2
-2
Hard Fault
3
-1
Reserved
4 ~ 10
N/A
SVCall
11
Configurable
Reserved
12 ~ 13
N/A
PendSV
14
Configurable
SysTick
15
Configurable
Interrupt (IRQ0 ~ IRQ31)
16 ~ 47
Configurable
Table 5-22 System Interrupt Map
Vector
Number
Interrupt Number
(Bit in Interrupt
Registers)
Interrupt
Name
Source IP
Interrupt description
0 ~ 15
-
-
-
System exceptions
16
0
BOD_IRQn
Brown-Out
Brownout low voltage detector interrupt
17
1
WDT_IRQn
WDT
Watch Dog Timer interrupt
18
2
EINT0_IRQn
GPIO
External signal interrupt from PB.0 pin
19
3
EINT1_IRQn
GPIO
External signal interrupt from PB.1 pin
20
4
GPAB_IRQn
GPIO
External signal interrupt from PA[15:0] / PB[7:2]
21
5
ALC_IRQn
ALC
Automatic Level Control Interrupt
22
6
PWM0_IRQn
PWM0
PWM0 channel 0/1/2/3 interrupt
23
7
Reserved
24
8
TMR0_IRQn
TMR0
Timer 0 interrupt