ISD91200 Series Technical Reference Manual
Release Date: Sep 16, 2019
- 67 -
Revision 2.4
IRQ4 ~ IRQ7 Interrupt Priority Register
(
NVIC_IPR1
)
Register
Offset
R/W
Description
Reset Value
NVIC_IPR1
0x304 R/W
IRQ4 ~ IRQ7 Priority Control Register
0x0000_0000
31
30
29
28
27
26
25
24
PRI_7
Reserved
23
22
21
20
19
18
17
16
PRI_6
Reserved
15
14
13
12
11
10
9
8
PRI_5
Reserved
7
6
5
4
3
2
1
0
PRI_4
Reserved
Table 5-29 Interrupt Priority Register (IPR1, address 0xE000_E404)
Bits
Description
[31:30]
PRI_7
Priority of IRQ7
“0” denotes the highest priority and “3” denotes lowest priority
[23:22]
PRI_6
Priority of IRQ6
“0” denotes the highest priority and “3” denotes lowest priority
[15:14]
PRI_5
Priority of IRQ5
“0” denotes the highest priority and “3” denotes lowest priority
[7:6]
PRI_4
Priority of IRQ4
“0” denotes the highest priority and “3” denotes lowest priority