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OSU8 Microprocessor
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Tri-State Buffer, 8-Bit Data to 16-Bit Address Bus (D)

This tri-state buffer allows the main 8 bit data bus to drive the 16D bus, that is an input to all four 16-bit registers. This is used to copy 8-bit data into either half of any 16 bit register. This buffer circuit drives the 8-bits onto boths halves of the 16-bit bus.

Schematic Drawing


OSU8: Simple 8-Bit Microprocessor Design; Paul Stoffregen
http://www.pjrc.com/tech/osu8/sch/tbuf16h.html
Last updated: February 24, 2005
Status: These pages are a work-in-progress
Comments, Suggestions: <paul@pjrc.com>