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Eeprom programmer

jkreucher·eeprom-programmer

Eeprom programmer PCB layout, top view — open source AVR/Arduino board by jkreucher

About the Eeprom programmer PCB

Eeprom programmer is an open source AVR/Arduino PCB design by jkreucher, published on GitHub under the MIT license. It is a 2-layer board measuring 80 × 80 mm, with 19 components from 13 distinct parts.

Its main chip is the ATmega8-16PU, from the AVR/Arduino family. Other key parts include the MCP2221AxP, 74HC595 and 28C256. By type, the board carries 5 ICs, 5 capacitors, 3 resistors, 2 connectors, 2 diodes and 1 crystal.

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

From the project

A EEPROM Programmer for my z80 stuff. Supported EEPROMS: 28C64, 28C256

I created this programmer for my personal Z80 project. Since commerical programmers are fairly expensive I created my own simple programmer. It is nothing fancy and just supports a single family of EEPROMs. It does not have support for a higher programming voltage and is limited for +5V EEPROMs.

This simple programmer supports following EEPROMs: - 28c64 (8k) - 28c256 (32k)

Eeprom programmer, from the project README
From the project README

Main components on the Eeprom programmer

ATmega8-16PUMCP2221AxP74HC59528C256

Eeprom programmer bill of materials (BOM)

19 components, 13 distinct parts.

QtyPartRefs
1
ATmega8-16PU
U1
1
MCP2221AxP
U2
2
74HC595
U3, U4
1
28C256
U5
1
7,3728MHz
Y1
1
AVR ISP
J1
1
USB_B
J2
1
Reset
SW1
2
LED
D1, D2
2
22pF
C1, C2
3
100nF
C3, C4, C5
1
10k
R1
2
220
R2, R3

Eeprom programmer design files

The KiCad project lives in the jkreucher/eeprom-programmer repository on GitHub; these links point at the commit this page was built from.

Eeprom programmer: common questions

What microcontroller does the Eeprom programmer use?

The Eeprom programmer is built around the ATmega8-16PU, from the AVR/Arduino family.

How big is the Eeprom programmer PCB?

The Eeprom programmer measures 80 × 80 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Eeprom programmer?

19 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Eeprom programmer design files?

From the jkreucher/eeprom-programmer repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Eeprom programmer design in my own project?

Yes, under the terms of its MIT license, which jkreucher chose for the repository.

Can I test firmware for the Eeprom programmer 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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