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initial commit of the project README file

* added short description
* a nice photo to see, what's all about
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T. Meissner 12 years ago
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h1. "usb-avr-cpld":https://github.com/tmeissner/usb-avr-cpld
p(. A small experiment board with usb-connector, usb-serial bridge, avr controller & xilinx cpld
!https://lh5.googleusercontent.com/-Al2Op9EDc1Q/UGHuXh1WkdI/AAAAAAAABss/sLXzn2gTk9k/s0-d/usb-avr-cpld.jpg
h3. Board's main parts:
* Ftdi FD232RL USB-UART bridge
* Atmel Atmega88
* Xilinx XC9572XL CPLD
h3. Test FW:
The folder 'avr' contains a avr-gcc project with test routines for the Atmega88 controller.
It checks for the interfaces to the other devices. At the moment, a simply uart loop to the FT232RL
is implemented.

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