G80-S v1.0 PCB

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Description

Version 1.0 of the G80-S Micro Computer. These boards have been updated from the Beta version to support interrupts from the SIO.  While supplies last, this board comes with the proper capacitors and resistors.  If that is a deal breaker, you might check availability first.

NOTE:  You will need to either have a programmer capable of programming the GAL22V10 PLD or you will need to purchase the option that includes the PLD.  Without this PLD you will not be able to use this computer.  I have additional PLDs on order.  If they are unavailable and you need one, contact me to put you on a mailing list to be notified once they are available.

To build this board you will need the following components:

The Software – v0.45t

2 – MAX232
1 – GAL22V10 – Programmed with G80-S JEDEC File     *optional add-on*
1 – Z80 Microprocessor
1 – 28C256 EEPROM
1 – “Narrow” 32k SRAM (UM61256 or Equivalent)
1 – Z80 DART or Z80 SIO/0
1 – i8255 PIO
1 – 6x6x6mm Tactile Switch
2 – Male DB9 Sockets
1 – XO Oscillator of your frequency choice (Software designed for 6mhz)
1 – XO Oscillator 1.8432mhz
16 – 100nf Capacitors (0805 Footprint)     *included while available*
6 – 10k Resistors (0805 Footprint)     *included while available*

Optional (but recommended) Components:

3 – DIP-40 0.600″ Sockets
1 – DIP-28 0.600″ Socket
1 – DIP-28 0.300″ Socket
1 – DIP-24 0.300″ Socket
2 – DIP-16 0.300″ Sockets
1 – 40-Pin Header 2.54mm
1 – 26-Pin Header 2.54mm
1 – Computer Peripheral Power Supply Connector

Additional information

Weight 1 oz
Option

Just the Board, Board & GAL22V10

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