2 layers177 × 121.9 mm
2 layers125 × 50 mm
ControlModule
crempp/ucpu416bit CPU made from TTL Logic Chips
- Size
- 125 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 25
- Nets
- 48
- Pads
- 107
- Tracks, vias
- 0, 0
- Routed
- Not yet
- KiCad
- KiCad 6 (file 20211014)
- Created
- 28 Nov 2020
- Updated
- 26 Feb 2022
Overview
ControlModule is an open-source printed circuit board by crempp, from the crempp/ucpu repository on GitHub. It is a 2-layer board of 125 × 50 mm with 25 parts on 48 nets.
It is built around the 74LS14PC and P120PK-Y25BR10K. Its parts include 8 resistors, 5 capacitors, 5 switches, 4 diodes and 1 IC.
Main components
2README
README.mduCPU
This is a 16bit pipelined CPU designed on a breadboard and produced in modular component boards.
My objective in this project is to learn electronics, CPU design and build a fully functional CPU that can be updated, added to and further developed easily.
The CPU is designed around
- four general purpose 16 bit registers
- four 16 bit address registers
- ALU supporting addition, subtraction, shift and bitwise operations
- piplined instructions
- banked memory with a base of 64k, expandable to about 1.5 megabytes (max TBD)
Documentation
Documentation is located here
Parts
25| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | SW_SPST | Button_Switch_THT:SW_PUSH_6mm_H5mm | SW1, SW2, SW3, SW4, SW5 |
| 4 | 1N4148 | Diode_SMD:D_SOD-523 | D1, D2, D3, D4 |
| 4 | 1uF | Capacitor_SMD:CP_Elec_4x5.4 | C1, C2, C3, C4 |
| 4 | 20K | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R2, R4, R6, R8 |
| 4 | 82K | Resistor_SMD:R_0603_1608Metric_Pad1.05x0.95mm_HandSolder | R1, R3, R5, R7 |
| 1 | 0.1uF | Capacitor_SMD:C_0603_1608Metric_Pad1.05x0.95mm_HandSolder | C5 |
| 1 | 74LS14 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | Interconnect | Connector_PinHeader_2.54mm:PinHeader_2x17_P2.54mm_Horizontal | J1 |
| 1 | P120PK-Y25BR10K | digikey-footprints:Potentiometer_P120PK-Y25BR10K | POT1 |
Questions
How big is the ControlModule PCB?
It measures 125 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ControlModule use?
25 parts, built around the 74LS14PC and P120PK-Y25BR10K. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the ControlModule KiCad files?
From the crempp/ucpu repository on GitHub, at the commit this page was made from: the board is cpu/Controls/ControlModule.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ControlModule design in my own project?
Its repository states no licence, so its author keeps all rights: ask crempp before reusing the design.
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