has anyone experience with CYPRESS EZUSB chip AN2131SC ?
I want to use it to build a GAL-programmer.
Can anyone recommend this chip or is it overkill for such
a simple purpose ?
I think EZ-USB is still good for production maintain.
Its 8051 firmware is downloaded from device driver.
So with new driver, your hardware provides more functions.
I´m using EZ-USB chip. You can download the code over driver or over an I2C memory. The hardware is simply to develop and for develop the software you can download EZ-USB devTools free in the Cypress url. In this pakect you can find Visual Basic examples for manage the USB devices such as AN2131. Regards.