Don Superfo

UNITED STATES OF AMERICA • + Follow

Juan VM

SPAIN
- 0
- 22
Tony RetroManiak

ITALY
- 0
- 0
Andrius Gailius

LITHUANIA
- 0
- 0
Miroslav Palounek

CZECH REPUBLIC, THE
- 0
- 0
9

Tools, APP Software Used etc.

Altium Designer

Description

ZX Nuvo 128 Issue 4A

This is a ZX Specrum Clone base on Harlequin by Chris Smith (http://www.zxdesign.info/harlequin.shtml). PCB is the same size as original ZX Spectrum, can be fit in 48K or 48K+ case.

-PCB current version is 4A, support 48K, 128K, 128K +2A/+3/+3E ROM

-Support ALL RAM mode, you can run CP/M with this board when using with floppy disk interface

-DivMMC SD Card Interface on board

-Flash ROM 29F040/39SF040 (upto 8 banks of 64K, select by dip switch)

-Video signal is ZX Spectrum 128K timing

-AY-3-8910 sound chip (Issue 5 can use either AY-3-8910 or AY-3-8912)

-Kempston Joystick port

-Header for WiFi Module

-Composite and RGB PAL output

-Use standard ZX Spectrum Adapter, 9V with center pin negative (-)

Code

Project Repository

https://github.com/DonSuperfo/ZX-Nuvo-128

Schematic and Layout

Circuit diagrams and Schematics

ZX Nuvo 128 Issue 4A.pdf

Circuit diagrams and Schematics

DivMMC 4.pdf

Download BOM(Bill of materials)

Apr 17,2023

4,470 views

ZX Nuvo 128 Issue 4A

4470

Published: Apr 17,2023

Standard PCB

BOM(Bill of materials)

Centroid file

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File Last Updated: 2023/04/17 (GMT+8)

File update record

2023-04-1708:01:48

Centroid file is updated.

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