Quality of Service Control
Bit | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 | |
DQOS[1:0] | FQOS[1:0] | WRBQOS[1:0] | |||||||
Access | R/W | R/W | R/W | R/W | R/W | R/W | |||
Reset | 1 | 0 | 1 | 0 | 1 | 0 |
Data Transfer Quality of Service
These bits define the memory priority access during the data transfer operation.
DQOS[1:0] | Name | Description |
---|---|---|
0x0 | DISABLE | Background (no sensitive operation) |
0x1 | LOW | Sensitive Bandwidth |
0x2 | MEDIUM | Sensitive Latency |
0x3 | HIGH | Critical Latency |
Fetch Quality of Service
These bits define the memory priority access during the fetch operation.
FQOS[1:0] | Name | Description |
---|---|---|
0x0 | DISABLE | Background (no sensitive operation) |
0x1 | LOW | Sensitive Bandwidth |
0x2 | MEDIUM | Sensitive Latency |
0x3 | HIGH | Critical Latency |
Write-Back Quality of Service
These bits define the memory priority access during the write-back operation.
WRBQOS[1:0] | Name | Description |
---|---|---|
0x0 | DISABLE | Background (no sensitive operation) |
0x1 | LOW | Sensitive Bandwidth |
0x2 | MEDIUM | Sensitive Latency |
0x3 | HIGH | Critical Latency |