Samsung YP-P10 User Manual Page 468

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S3C2440A RISC MICROPROCESSOR MMC/SD/SDIO CONTROLLER
19-5
SDI Command Argument Register (SDICmdArg)
Register Address R/W Description Reset Value
SDICmdArg 0x5A000008 R/W SDI command argument register 0x0
SDICmdArg Bit Description Initial Value
CmdArg [31:0] Command argument 0x00000000
SDI Command Control Register (SDICmdCon)
Register Address R/W Description Reset Value
SDICmdCon 0x5A00000C R/W SDI command control register 0x0
SDICommand Bit Description Initial Value
Reserved [31:13]
Abort Command
(AbortCmd)
[12] Determines whether command type is for abort (for SDIO).
0 = Normal command, 1 = Abort command (CMD12, CMD52)
0
Command with
Data (WithData)
[11] Determines whether command type is with data(for SDIO).
0 = Without data, 1 = With data
0
LongRsp [10] Determines whether host receives a 136-bit long response or not
0 = Short response, 1 = Long response
0
WaitRsp [9] Determines whether host waits for a response or not
0 = No response, 1 = Wait response
0
Command
Start(CMST)
[8] Determines whether command operation starts or not. . This bit is
automatically cleared.
0 = Command ready, 1 = Command start
0
CmdIndex [7:0] Command index with start 2-bit (8-bit) 0x00
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