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OSU8 Microprocessor
CPU Programming
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Address Decode

This little circuit provides some simple address decoding, which would normally be implemented by a logic circuit on the circuit board. Because this design was implemented in a Xilinx FPGA chip, adding a bit of extra logic was easier than putting another chip on the board. The test board has three chips, a Flash ROM (which also contains the FPGA configuration bits), SRAM, and a UART.

Schematic Drawing

OSU8: Simple 8-Bit Microprocessor Design; Paul Stoffregen
Last updated: February 24, 2005
Status: These pages are a work-in-progress
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