System Control
A PIC18F6620 microcontroller is used to interface the controllers, memory card, and
USB with the FPGA. It can perform controller type translation for systems that do not
support a certain type of controller (i.e. PSX controllers on an atari 2600). The PIC
also programs the FPGA with configuration files loaded off the memory card. A 4 pin
mini-DIN is provided to connect a standard AT style PC keyboard. It connects to the PIC
and will allow for keyboard entry. This 4 pin DIN can also be used with an adaptor to
send MIDI to the device for a future software synth project.
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