Xilinx Evaluation Kit

Intel Evaluation Kit

Microsemi Evaluation Kit


SD / SDIO Host Controller 3.0

SD / SDIO Host Controller 3.0

iW-SD/SDIO 3.0 Host controller is compatible with the SD Physical Layer specification V3.0. The core supports AXI4-Lite interface for the control and status register access and AXI4-MM interface for data transfer through ADMA2 mode. The Host interface is compatible with the standard register set for the host controller as per SD host controller specification Version 3.0.


  • Compliant with SD Host Controller Standard Specification Version 3.0
  • Compliant with SD Physical Layer Specification Version 3.0
  • Supports 1-bit,4-bit SD modes
  • Supports SD Card Detection input pin
  • Supports SD Card Write Protection input pin
  • Supports programmable clock frequency generation to the SD card
  • Supports Interrupt and ADMA2 transfer mode of operation
  • Individual 2Kbyte data buffer for read and write
  • Cyclic Redundancy Check (CRC) for command and data
  • Supports timeout monitoring for response, data, CRC token & busy
  • Supports a maximum block length of 2Kbyte
  • Supports both single block and multi block data transfer
  • Supports 32-bit AXI4 memory mapped interface towards host processor
  • Supports 32-bit AXI4 lite interface towards SD host Controller
  • Support Default speed and High Speed including SDR12, SDR25, DDR50, SDR50 andSDR104 modes


  • Supports following UHS –I modes of operations:
    • SDR12 – SDR up to 25MHz 1.8V signaling
    • SDR25 – SDR up to 50MHz 1.8V signaling
    • SDR50 – SDR up to 100MHz 1.8V signaling
    • SDR104 – SDR up to 208MHz 1.8V signaling
  • Supports programmable clock frequency generation
  • Supports standard register set for the host controller
  • Core offers UHS-I mode of operation


Copyright © 2022 iWave Systems Technologies Pvt. Ltd.