Parallel to USB bridge controller

A parallel to serial bridge controller, comprising:

• a USB transceiver for transmitting and receiving on a USB link;
• a USB serial interface engine connected to the USB link for converting between USB protocol and serial interface protocol;
• a processor connected to the USB serial interface engine for controlling the operation of the USB serial interface engine;
• a flash memory connected to the processor enabling user programable control of the operation of the parallel to serial bridge controller;
• a memory interface including a transmit data register for receiving data from a parallel data link and a receive data register for receiving data to be transmitted over the parallel data link, the transmit data register and the receive data register of the memory interface being located within a memory space of the processor, said memory interface able to send and receive data between the transmit data register and the receive data register and an external processor over the parallel data link;
• a first FIFO buffer for temporarily storing data from the USB serial interface engine before sending the data to receive data register of the memory interface;
• and
• a second FIFO buffer for temporarily storing data from the transmit data register of the memory interface before sending to the USB serial interface engine.