Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD 数据表
产品代码
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
434
25.8.3 Bus Matrix Priority Registers For Slaves
Name:
MATRIX_PRAS0..MATRIX_PRAS4
Address:
0x400E0280 [0], 0x400E0288 [1], 0x400E0290 [2], 0x400E0298 [3], 0x400E02A0 [4]
Access:
Read/Write
• 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
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
M4PR
15
14
13
12
11
10
9
8
–
–
M3PR
–
–
M2PR
7
6
5
4
3
2
1
0
–
–
M1PR
–
–
M0PR