JMCPU - PCB006: 8+8 bits ALU


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.


Date: 2022-01-09

Schematic (PDF)

Gerber download

EasyEDA project download

Known issues

Validation process


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?


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