18.6.1 Control B

Name: CTRLB
Offset: 0x0004
Reset: 0x00000004
Property: Local Write-Protection

Bit 3130292827262524 
          
Access  
Reset  
Bit 2322212019181716 
          
Access  
Reset  
Bit 15141312111098 
          
Access  
Reset  
Bit 76543210 
     QOS[1:0]DCCDMALVL1DCCDMALVL0 
Access R/WR/WR/WR/W 
Reset 0100 

Bits 3:2 – QOS[1:0] DSU QoS Level

ValueNameDescription
0x0 DISABLE Background (no sensitive operation)
0x1 LOW Sensitive bandwidth
0x2 MEDIUM Sensitive latency
0x3 HIGH Critical latency

Bits 0, 1 – DCCDMALVLn DMA Trigger n Level

ValueNameDescription
0 EMPTY Trigger n rises when DCCn is read and falls when it is written
1 FULL Trigger n rises when DCCn is written and falls when it is read