2.5.10 SYSPRI3 Register (Offset = 0xD20) [reset = 0x0]
System Handler Priority 3 (SYSPRI3)
NOTE
This register can only be accessed from privileged mode.
The SYSPRI3 register configures the priority level, 0 to 7 of the SysTick exception and PendSV handlers. This register is byte-accessible.
SYSPRI3 is shown in Figure 2-22 and described in Table 2-35.
Return to Summary Table.
Figure 2-22 SYSPRI3 Register
31 |
30 |
29 |
28 |
27 |
26 |
25 |
24 |
23 |
22 |
21 |
20 |
19 |
18 |
17 |
16 |
TICK |
RESERVED |
PENDSV |
RESERVED |
R/W-0x0 |
R-0x0 |
R/W-0x0 |
R-0x0 |
|
15 |
14 |
13 |
12 |
11 |
10 |
9 |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
0 |
RESERVED |
DEBUG |
RESERVED |
R-0x0 |
R/W-0x0 |
R-0x0 |
|
Table 2-35 SYSPRI3 Register Field Descriptions
Bit |
Field |
Type |
Reset |
Description |
31-29 |
TICK |
R/W |
0x0 |
SysTick Exception Priority
This field configures the priority level of the SysTick exception. Configurable priority values are in the range 0-7, with lower values having higher priority.
|
28-24 |
RESERVED |
R |
0x0 |
|
23-21 |
PENDSV |
R/W |
0x0 |
PendSV Priority
This field configures the priority level of PendSV. Configurable priority values are in the range 0-7, with lower values having higher priority.
|
20-8 |
RESERVED |
R |
0x0 |
|
7-5 |
DEBUG |
R/W |
0x0 |
Debug Priority
This field configures the priority level of Debug. Configurable priority values are in the range 0-7, with lower values having higher priority.
|
4-0 |
RESERVED |
R |
0x0 |
|