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Published 20 hours ago • verified publisher icon WestfW
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Z80 system using ATmega as IO/boot controller. 4 chips total.

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4chip z80 is available at pcbhubs as a shared electronics design for easy manufacturing order https://pcbhubs.com/newpcb/16015422035f75983ba18a6

zjobra avatar zjobra

V3 PCB has 2nd EEPROM at address x2 instead of x1.

2 comment

The address pins of the EEPROMs are wired such that they appear at I2C address 0x50 and 0x52, instead of 0x50 and 051 as shown in the original schematics. This...

WestfW avatar WestfW

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verified publisher icon WestfW

Metadata

Z80 system using ATmega as IO/boot controller. 4 chips total.

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