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G_CardMother a homemade without any microcontroller motherboard for 8bits processor like "GP8B"

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JonathSpirit/GCM

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GCM - GCardMother

Copyright (C) 2021 Guillaume Guillet
Licensed under CERN-OHL-W v2 or later

This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later.
You may redistribute and modify this documentation and make products using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl). This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2 for applicable conditions.

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Description

G_CardMother is a homemade without any microcontroller motherboard for 8bits processor compatible with the MOM1_SPS1 standard like GP8B

GCM_image GCM_3D_image GCM_3D_TOP_image GCM_3D_BOT_image

Stats

version

status

bug
high_impact
medium_impact
light_impact

Block diagram

Image of diagram

Main features

  • Follow the MOM1_SPS1 standard.

  • A max frequency of 50Mhz divisible by multiples of two (up to a division of 65536). For the processor and a seperated line for peripherals.

  • 4 PP1 peripherals slot.

  • 2 MM1 memory slot with address extension.

  • Code execution from the memory slot 1 and switchable with the memory slot 2.

  • Redirection of the writing buses (can be used as buffer).

  • Accessible debug pins.

Motherboard standard

This motherboard, follow the MOM1_SPS1 standard

Compatibility

Should be compatible with all processor following the SPS1 standard

Processor Compatibility
GP8B_V4.x none
GP8B_V5.0 none
GP8B_V5.1+ fully

compatibility_fully compatibility_partially compatibility_none

Documents

Block diagram (.pdf)

Schematics (.pdf)

Materials (.pdf)

Datasheet (.pdf)

Contributing / Questions

Please see Contributing file