Specifications

122 Issue Date: 2004/11/05 │ CONFIDENTIAL
CL765 │ Camera Application Processor
Datasheet │ Doc. #: CLQP-DS-743
4.20.4.4. SD Core Read Using FAT
1) Make Table in the local memory.(C)
2) Set Addr_H(4:0) and Addr_L(15:0) of TrAddr_L and TrAddr_H(?) in Table
address in DMA. (C)
3) Set the position where data is transmitted on BlkAddr_L and BlkAddr_H
in DMA. (C)
4) Set FAT control and DMA control of DMA. (C)
5) Waits for the final interrupt from the inside of DMA. (C)
Figure 4-54. SD DMA Mode Read with FAT
4.20.4.5. SD Core Write Using FAT
1) Prepare data to be transmitted.(C)
2) Make Table in the local memory. (C)
3) Set Addr_H(4:0) and Addr_L(15:0) of TrAddr_L and TrAddr_H in Table
address in DMA. (C)
4) Set the position where data is transmitted on BlkAddr_L and BlkAddr_H
in DMA. (C)
5) Set FAT control and DMA control in DMA. (C)
6) Waits for the final interrupt from the inside of DMA. (C)
Figure 4-55. SD DMA Mode Write with FAT