ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 66 -
Revision 2.4
IRQ0 ~ IRQ3 Interrupt Priority Register
(
NVIC_IPR0
)
Register
Offset
R/W
Description
Reset Value
NVIC_IPR0
0x300 R/W
IRQ0 ~ IRQ3 Priority Control Register
0x0000_0000
31
30
29
28
27
26
25
24
PRI_3
Reserved
23
22
21
20
19
18
17
16
PRI_2
Reserved
15
14
13
12
11
10
9
8
PRI_1
Reserved
7
6
5
4
3
2
1
0
PRI_0
Reserved
Table 5-28 Interrupt Priority Register (IPR0, address 0xE000_E400)
Bits
Description
[31:30]
PRI_3
Priority of IRQ3
“0” denotes the highest priority and “3” denotes lowest priority
[23:22]
PRI_2
Priority of IRQ2
“0” denotes the highest priority and “3” denotes lowest priority
[15:14]
PRI_1
Priority of IRQ1
“0” denotes the highest priority and “3” denotes lowest priority
[7:6]
PRI_0
Priority of IRQ0
“0” denotes the highest priority and “3” denotes lowest priority