Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO 数据表
产品代码
ATSAM4L-XPRO
313
42023E–SAM–07/2013
ATSAM4L8/L4/L2
15.5.3
Bus Matrix Priority Registers A For Slaves
Register Name:
PRAS0...PRAS15
Access Type:
Read/Write
Offset:
-
Reset Value:
0x00000000
•
MxPR: Master x Priority
Fixed priority of Master x for accessing the selected slave. The higher the number, the higher the priority.
31
30
29
28
27
26
25
24
-
-
M7PR
-
-
M6PR
23
22
21
20
19
18
17
16
-
-
M5PR
-
-
M4PR
15
14
13
12
11
10
9
8
-
-
M3PR
-
-
M2PR
7
6
5
4
3
2
1
0
-
-
M1PR
-
-
M0PR