Semiconductors
Arasan Chip Systems, Inc. (Arasan)
Meets SDIO card v2.0 specificationSupports SDIO SPI, 1-bit, and 4-bit SD modesHost clock rate from 0-50 MHzSingle SDIO function interfaceSD commands processed in hardwareReset output on completion of initializationIndication of high speed and high power enabling to application logicMaximum block size supported is 1024 bytesThree I/O mode selection pinsCRC7 and CRC16 modulesSupports direct R/W (IO52) and extended R/W (IO53) commandsAPB bus interfaceParallel bus interfaceStandard 8051 split bus interfaceGeneric 8051 bus interfaceUART interface