skip navigational linksPJRC
Shopping Cart Download Website
Home Products Teensy Blog Forum
You are here: OSU8 Microprocessor Schematic OSU8 Core 8-Bit Data ALU ALU-8 Main

OSU8 Microprocessor
Overview
CPU Programming
Hardware Info
Schematic
Implementation
Download Files

8-bit ALU, All Data Operations

This ALU performs all 16 of the math operations that the microprocessor can execute betweeen the A and B registers. Please refer to the detailed description of the ALU circuity works.

Most of the green symbols on this page are links to their associated schematic.

Schematic Drawing Zero Accumulator Complement Accumulator 8-Bit AND 8-Bit OR Zero B Complement B Shifter 8-Bit 3:1 Mux 8-Bit Adder 2:1 Mux N & Z Bits Decode Logic


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

Complete List of All OSU8 Schematics