HardLabs

MP Board

roberto314·Unicomp3·ParallelBoards/MOS_Parallel_Board/MOS_Parallel_v1.0/MP_Board.kicad_pcb

MP Board layout, top view — open source AVR/Arduino board by roberto314

About the MP Board

MP Board is an open source AVR/Arduino PCB design by roberto314, published on GitHub under the BSD-2-Clause license. It is a 2-layer board measuring 100 × 100 mm, with 34 components from 19 distinct parts.

Its main chip is the Arduino_Nano_v3.x, from the AVR/Arduino family. Other key parts include the SN74LVCC4245ANSR, 6522, 74HC14, 74AHC1G08 and 6532. By type, the board carries 9 connectors, 9 capacitors, 6 ICs, 6 jumpers, 3 resistors and 1 module.

It belongs with the retro computing and usb & debug tools designs in this gallery.

From the project

A modular 8-bit Computer able to recreate (nearly) every Retro computer of the late 70s to mid 80s.

A modular 8-bit Computer able to recreate (nearly) every microcomputer of the mid 70s to early 80s in Hardware without FPGAs (although an FPGA can be added). Can also be used as a teaching tool for:

VHDL or Verilog C RTOS (STM32F401 runs ChibiOS. Link: https://www.chibios.org) Python bash and linux in general (Olimex board runs linux with fbterm and tmux) Harwaredesign Timing of CPUs maybe Assembler SPI and I2C Interfaces CPLDs and FPGAs

Main components on the MP Board

SN74LVCC4245ANSR652274HC1474AHC1G086532Arduino_Nano_v3.x

MP Board bill of materials (BOM)

34 components, 19 distinct parts.

QtyPartRefs
1
SN74LVCC4245ANSR
U1
2
6522
U2, U7
1
74HC14
U3
1
74AHC1G08
U5
1
6532
U6
1
Arduino_Nano_v3.x
A1
2
BUS
J1, J2
1
Conn_01x14
J5
1
Conn_02x22_Odd_Even
J14
1
Jumper
J16
1
Conn_02x22_Odd_Even
J19
1
Conn_01x02
J26
1
RXTX in
J27
1
RXTX out
J28
6
.
JP1, JP2, JP3, JP4, JP5, JP6
8
100n
C1, C2, C3, C4, C5, C6, C7, C8
1
10n
C9
1
1k
R1
2
10k
R2, R3

MP Board design files

The KiCad project lives in the roberto314/Unicomp3 repository on GitHub; these links point at the commit this page was built from.

MP Board: common questions

What microcontroller does the MP Board use?

The MP Board is built around the Arduino_Nano_v3.x, from the AVR/Arduino family.

How big is the MP Board?

The MP Board measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MP Board?

34 components, from 19 distinct parts. The full bill of materials is listed on this page.

Where can I download the MP Board design files?

From the roberto314/Unicomp3 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MP Board design in my own project?

Yes, under the terms of its BSD-2-Clause license, which roberto314 chose for the repository.

Can I test firmware for the MP Board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.

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