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SDIO to UART Controller



iW-SDIO to UART bridge is a IP core which converts SDIO slave to UART bus interface.

SDIO to UART Controller (FPGA IP Cores)

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  • SDIO to UART Controller (FPGA IP Cores)
  • SDIO interface supported by the bridging IP enables a low-cost and small size implementation
  • Compliant with SD Physical Specification Version 2.00 and SDIO Specification Version 2.00.
  • Supports SPI, 1-bit and 4bit SD modes.
  • Supports SDIO Interrupt feature
  • Supports all mandatory SDIO Commands/Response types

    • SPI Mode : CMD0, CMD5, CMD52, CMD53, CMD59
    • SD Mode : CMD0, CMD3, CMD5, CMD7, CMD52, CMD53.

  • CRC7 checking/generation for Command/Response
  • CRC16 checking/generation for Data transfer.
  • Supports High Speed Mode (up to 50Mhz) of operation.
  • Data Transfer in Multi Byte and Multi Block mode using CMD53.
  • SDIO only implementation, Combo card features are not supported

  • Optional Code Storage Area(CSA) is not supported
  • Suspend/Resume Features not supported
  • Supports UART16550 function:

    • Programmable baud generator divides any input clock by 1 to (216 - 1) and generates the 16x clock.
    • MODEM control functions (CTS, RTS, DSR, DTR, RI, and DCD)
    • 5, 6, 7, or 8-bit characters
    • Even, odd, or no-parity bit generation and detection
    • 1, 1/2, or 2-stop bit generation
    • Baud generation (DC to 1.5M baud)
    • Line break generation and detection
    • Independently controlled transmit, receive, line status, and data set interrupts
  • Portable devices: PDA,GPS,GPRS and etc.
  • RF Reader

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