JMCPU - PCB006: 8+8 bits ALU

Description

A 8+8 bits ALU providing 8 operations and 2 8-bit registers (AL + AH). Operations are executed by 2 ROM chips working as lookup tables. Operands are the AL register and the data bus. Outputs AL or AH to the data bus using 2 independent control lines.

v1.0

Date: 2022-01-09

Schematic (PDF)

Gerber download

EasyEDA project download


Known issues

Validation process

Schematic

StepStatus ✓
Project name and folder✓
Matches main schematic?
Component labels✓
Net labels and wires✓
All components updated✓
Components and nets check✓
Symbol design✓
JMC logo and QR code✓
Screw holes✓
Main decoupling capacitor✓
2 GND connectors✓
Headers match backplane reference✓
Sheet info✓
Simulator updated?

PCB design

StepStatus ✓
File name✓
Units set to mil✓
Design rules check✓
Schematic synced✓
All components updated✓
Routing design recommendations✓
Board layout✓
Board size✓
Text size and orientation✓
Routing optimization pass✓

PCB fabrication

StepStatus ✓
Gerber generated✓
PCB built?
Components fit?
Components soldered?
Connectors fit?
First power on?
Functional tests?

Documentation

StepStatus ✓
Link to Schematic PDF✓
Link to Gerber✓
Link to EasyEDA export package✓
Pictures?
Assembly guide integration?