Nations N32G45 Series, User Manual

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485 / 838
Nations Technologies Inc.
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+86-755-86309900
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info@nationstech.com
Address: Nations Tower, #109 Baoshen Road, Hi-tech Park North.
Nanshan District, Shenzhen, 518057, P.R.China
Bit Field Name Description
31:0 CMDARG Command argument.
Command parameters are part of the command sent to the card. If a command contains a
parameter, this register must be loaded before writing the command to the command register.
18.7.5 SDIO command register (SDIO_CMDCTRL)
Address offset: 0x0C
Reset value: 0x0000 0000
SDIO_CMDCTRL register contains the command index and command type bits. The command index is sent to the
card as part of the command. The Command Type bit controls the Command Channel State Machine (CPSM).
Bit Field Name Description
31:15 Reserved Reserved, the reset value must be maintained.
14 CEATAEN CE-ATA command.
If this bit is set, CPSM will transmit CMD61.
13 INTDIS Not interrupt enable.
If this bit is not set, interrupts are enabled for CE-ATA devices.
12 ENCMDF Enable CMD completion.
If this bit is set, the command complete signal is enabled.
11 SUSPEND SD I/O suspend command.
If this bit is set, the command to be sent is a suspend command (for SDIO cards only).
10 CPSMEN Command path state machine (CPSM) Enable bit.
If this bit is set, CPSM is enabled.
9 WDATEND CPSM Waits for ends of data transfer (CmdPend internal signal).
If this bit is set, the CPSM waits for the end of the data transfer before starting to send a command.
8 WINTREQ CPSM waits for interrupt request.
If this bit is set, the CPSM turns off the command timeout control and waits for an interrupt
request.
7:6 CMDRESP Wait for response bits.