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CMSIS-Driver
Version 2.00
Peripheral Interface for Middleware and Application Code
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Specify the command line type (Push-Pull or Open Drain) More...
Macros | |
#define | ARM_MCI_BUS_CMD_PUSH_PULL (0x00) |
Push-Pull CMD line (default) | |
#define | ARM_MCI_BUS_CMD_OPEN_DRAIN (0x01) |
Open Drain CMD line (MMC only) | |
Specify the command line type (Push-Pull or Open Drain)
Set the bus command line type with the function ARM_MCI_Control. The MCI Bus Mode specifies open drain (which allows ganging multiple cards on the same interface) or push-pull (which achieves in practice higher speeds and a more reliable communication) bus operation. The following modes are supported:
#define ARM_MCI_BUS_CMD_OPEN_DRAIN (0x01) |
Open Drain CMD line (MMC only)
#define ARM_MCI_BUS_CMD_PUSH_PULL (0x00) |
Push-Pull CMD line (default)