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usb block
The USB block can be used either as a device, host, or in an OTG configuration. It supports all four transfer types, does not support high speed, and has its own dedicated DMA controller. Additionally, there are two SPI and two SSP controllers. The SPI controllers can only be used in Master mode with bit rates up to 52Mbits/sec while the SSP controller has eight frame FIFOs for both Tx and Rx. Each frame can accommodate between 4 to 16 bits.
PTM Published on: 2011-11-02