... compatible with the kernel and the micro-controller, is a powerful USB interface device. In the development and application of the USB ... technology, compared with similar products, it is in performance, speed, convenience and cost, and so have a great ... Byte USB FIFO16K Bytes FLASH256 Bytes Data, 1K Bytes XRAM25 I / O LinesIn-system Pogrammable4 Timer / Counters10-bit A / D ConverterReal- ...