ISI_DMA_C_CTRL

DMA Codec Control Register

  0x54 32 Read/Write 0x00000000  

DMA Codec Control Register

Bit  31 30 29 28 27 26 25 24  
                   
Access                   
Reset                   
Bit  23 22 21 20 19 18 17 16  
                   
Access                   
Reset                   
Bit  15 14 13 12 11 10 9 8  
                   
Access                   
Reset                   
Bit  7 6 5 4 3 2 1 0  
          C_DONE C_IEN C_WB C_FETCH  
Access          R/W R/W R/W R/W  
Reset          0 0 0 0  

Bit 0 – C_FETCH: Descriptor Fetch Control Bit

Descriptor Fetch Control Bit

ValueDescription
0

Codec channel fetch operation is disabled.

1

Codec channel fetch operation is enabled.

Bit 1 – C_WB: Descriptor Writeback Control Bit

Descriptor Writeback Control Bit

ValueDescription
0

Codec channel writeback operation is disabled.

1

Codec channel writeback operation is enabled.

Bit 2 – C_IEN: Transfer Done Flag Control

Transfer Done Flag Control

ValueDescription
0

Codec transfer done flag generation is enabled.

1

Codec transfer done flag generation is disabled.

Bit 3 – C_DONE: Codec Transfer Done

Codec Transfer Done

This bit is only updated in the memory.

ValueDescription
0

The transfer related to this descriptor has not been performed.

1

The transfer related to this descriptor has completed. This bit is updated in memory at the end of the transfer when writeback operation is enabled.