Question: How can you use EZ-USB® FX2LP™ to make a USB-to-parallel converter? The data received over the USB should be made available on a parallel data bus on the GPIO pins.
There are two methods to implement a USB-to-parallel interface in FX2LP.
- The GPIF or slave FIFO mode of FX2LP can be used, depending on the external device that is being interfaced with FX2LP.
- Without using the GPIF or slave FIFO interface, firmware can be written to implement the same using the 8051 core.