Symphony DSP56724/DSP56725 Multi-Core Audio Processors, Rev. 0
20-14
Freescale Semiconductor
Chip Configuration Module
20.2.2.10 Arbiter Control Register (ARCR)
The ARCR Control Register is shown in
Address
Y:FFFFE0
Access: User Read/Write
23
22
21
20
19
18
17
16
15
14
13
12
R
SAC9
SAC8
SAC7
SAC6
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
11
10
9
8
7
6
5
4
3
2
1
0
R
SAC5
SAC4
SAC3
SAC2
SAC1
SAC0
W
Reset
0
0
0
0
0
0
0
0
0
0
0
0
Figure 20-10. Arbiter Control Register (ARCR)
Table 20-13. ARCR Field Descriptions
Bit
Field Description
23–20
Reserved
Write 0 for future compatibility.
19–18
SAC9
Shared bus arbitration method select for accessing external memories.
17–16
SAC8
Shared Bus Arbiter arbitration method select for peripherals on the shared
peripherals bus.
15–14
SAC7
Shared Bus Arbiter arbitration method select for shared memory block 7
13–12
SAC6
Shared Bus Arbiter arbitration method select for shared memory block 6
11–10
SAC5
Shared Bus Arbiter arbitration method select for shared memory block 5
9–8
SAC4
Shared Bus Arbiter arbitration method select for shared memory block 4
7–6
SAC3
Shared Bus Arbiter arbitration method select for shared memory block 3
5–4
SAC2
Shared Bus Arbiter arbitration method select for shared memory block 2
3–2
SAC1
Shared Bus Arbiter arbitration method select for shared memory block 1
1–0
SAC0
Shared Bus Arbiter arbitration method select for shared memory block 0
SACn[1:0] controls the arbitration method for different peripherals:
2’bx0 Round-robin method is always used.
2’b11 DSP-0 (Core-0) always gets the priority.
2’b01 DSP-1 (Core-1) always gets the priority.
Содержание Symphony DSP56724
Страница 22: ...Symphony DSP56724 DSP56725 Multi Core Audio Processors Rev 0 1 10 Freescale Semiconductor Introduction ...
Страница 52: ...Symphony DSP56724 DSP56725 Multi Core Audio Processors Rev 0 2 30 Freescale Semiconductor Signal Descriptions ...
Страница 112: ...Symphony DSP56724 DSP56725 Multi Core Audio Processors Rev 0 7 12 Freescale Semiconductor Clock Generation Module CGM ...
Страница 244: ...Symphony DSP56724 DSP56725 Multi Core Audio Processors Rev 0 14 6 Freescale Semiconductor Shared Bus Arbiter ...
Страница 246: ...Symphony DSP56724 DSP56725 Multi Core Audio Processors Rev 0 15 2 Freescale Semiconductor Shared Memory Shared Memory ...