Konstantin KnivD

UNITED KINGDOM • + Follow

Engineer
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Components

	100n	x 8
	10u	x 2
	S2011EC-13-ND	x 4
	10k	x 6
	Z16F2811AL20SG	x 1
	MCP7940M-I/SN	x 1

Description

ZNEO CPU board for Z20X Computer

This is an experimental CPU upgrade module for Z20X with the ZiLOG’s 16-bit ZNEO processor. More information about ZNEO can be found on its website.

Unlike the default eZ80 module, ZNEO has a very different pinout, lacks an internal real-time clock, and addresses only linear memory without separate I/O space. The PCB for the module is a more complex 38.6 x 38.6mm (approximately 1.5” x 1.5”) 4-layer PCB that also accommodates several passive components (0805 size) and an additional external RTC connected on the I²C bus. And of course it also includes the four 26-way dual row headers on the bottom side for connection with the main board.

Schematic and Layout

https://z20x.computer

Download Gerbers Download BOM(Bill of materials)

Mar 06,2020

1,171 views

ZNEO CPU board for Z20X Computer

Experimental CPU board with ZNEO processor for the Z20X computer

1171

Published: Mar 06,2020

Download Gerber file 5

BOM(Bill of materials)

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Only PCB

PCB+Assembly

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