Skip to content

Commit 228487d

Browse files
authored
Update README.md
1 parent d97f2d3 commit 228487d

File tree

1 file changed

+45
-23
lines changed

1 file changed

+45
-23
lines changed

README.md

Lines changed: 45 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -1,53 +1,69 @@
11
# GCM - GCardMother
22

33
Copyright (C) 2020 Guillaume Guillet\
4-
Licensed under CERN OHL v.1.2
4+
Licensed under CERN-OHL-W v2 or later
55

66
<table border="0px">
77
<tr>
88
<td>
9-
This documentation describes Open Hardware and is licensed under the CERN OHL v. 1.2.
9+
This source describes Open Hardware and is licensed under the CERN-OHL-W v2 or later.
1010
</td>
1111
</tr>
1212
<tr>
1313
<td>
14-
You may redistribute and modify this documentation under the terms of the
15-
CERN OHL v.1.2. (http://ohwr.org/cernohl). This documentation is distributed
16-
WITHOUT ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING OF
17-
MERCHANTABILITY, SATISFACTORY QUALITY AND FITNESS FOR A
18-
PARTICULAR PURPOSE. Please see the CERN OHL v.1.2 for applicable
19-
conditions
14+
You may redistribute and modify this documentation and make products
15+
using it under the terms of the CERN-OHL-W v2 (https:/cern.ch/cern-ohl).
16+
This documentation is distributed WITHOUT ANY EXPRESS OR IMPLIED
17+
WARRANTY, INCLUDING OF MERCHANTABILITY, SATISFACTORY QUALITY
18+
AND FITNESS FOR A PARTICULAR PURPOSE. Please see the CERN-OHL-W v2
19+
for applicable conditions.
2020
</td>
2121
</tr>
2222
</table>
2323

24+
Made with [Kicad](https://kicad-pcb.org/)
25+
2426
## Description
25-
G_CardMother is a homemade without any microcontroller motherboard for 8bits processor like "GP8B"
27+
G_CardMother is a homemade without any microcontroller motherboard for 8bits processor compatible with the [MOM1_SPS1 standard](https://github.com/JonathSpirit/GComputer_standard) like [GP8B](https://github.com/JonathSpirit/GP8B)
28+
29+
<img src="images/GCM.JPG" alt="GCM_image" width="400"/> <img src="images/GCM_3D.png" alt="GCM_3D_image" width="400"/>
30+
<img src="images/GCM_3D_TOP.png" alt="GCM_3D_TOP_image" width="400"/> <img src="images/GCM_3D_BOT.png" alt="GCM_3D_BOT_image" width="400"/>
31+
32+
## Status
2633

27-
<img src="images/GCM.JPG" alt="GCM_image" width="400"/>
34+
Version :
35+
> GCM_V5.0
2836
29-
## Versions list
37+
Status :
38+
> Not tested !
3039
31-
Actual version :
32-
> GCM_V4
40+
Known issues :
41+
> (Empty)
3342
3443
## Block diagram
3544

36-
[Block diagram file](document/Block%20diagram.pdf)
45+
[Block diagram (.pdf)](documents/blockDiagram/GCM_blockDiagram.pdf)
3746

3847
<img src="images/diagram.png" alt="Image of diagram" width="600"/>
3948

4049
## Main features
4150

42-
- LTC6903 chip for frequency control (1kHz to 68Mhz)
51+
- Follow the [MOM1_SPS1](https://github.com/JonathSpirit/GComputer_standard) standard.
52+
53+
- A controllable frequency of 50Mhz divisible by multiples of two up to a division of 65536.
54+
55+
- The same separate controllable frequency divisible by multiples of two for peripherals.
4356

44-
- 2 memory slot with address extension connector
57+
- 4 peripherals slot (that follow standard [PP1](https://github.com/JonathSpirit/GComputer_standard)).
4558

46-
- Source switch between the 2 memory slot
59+
- 2 [MM1](https://github.com/JonathSpirit/GComputer_standard) memory slot with address extension.
4760

48-
- 4 peripherals slot
61+
- Readable code source switching from the 2 memory slot.
62+
63+
- Redirection of the writing buses.
64+
65+
- Accessible debug pins.
4966

50-
- Write bus redirection
5167

5268
## Motherboard standard
5369
This motherboard, follow the [MOM1_SPS1](https://github.com/JonathSpirit/GComputer_standard) standard
@@ -57,15 +73,21 @@ Compatible with all processor following the [SPS1](https://github.com/JonathSpir
5773

5874
| Processor | Compatibility |
5975
| ------------- | ------------- |
60-
| [GP8B_V4](https://github.com/JonathSpirit/GP8B) | ![#00ff00](https://placehold.it/15/00ff00/000000?text=+) |
76+
| [GP8B_V4.x](https://github.com/JonathSpirit/GP8B/tree/V4.0) | ![#00ff00](https://placehold.it/15/00ff00/000000?text=+) |
77+
| [GP8B_V5.x](https://github.com/JonathSpirit/GP8B/tree/V5.0) | ![#00ff00](https://placehold.it/15/00ff00/000000?text=+) |
6178

6279
![#00ff00](https://placehold.it/15/00ff00/000000?text=+) `Fully compatible`\
6380
![#ffff00](https://placehold.it/15/ffff00/000000?text=+) `Semi compatible`\
6481
![#ff0000](https://placehold.it/15/ff0000/000000?text=+) `No compatible`
6582

6683
## Documents
67-
[Block diagram file](document/Block%20diagram.pdf)
84+
[Block diagram (.pdf)](documents/blockDiagram/GCM_blockDiagram.pdf)
85+
86+
[Schematics (.pdf)](documents/GCM_schematics.pdf)
87+
88+
[Materials (.pdf)](documents/GCM_materials.pdf)
6889

69-
[Schematics (.pdf)](document/GCM_schematics.pdf)
90+
[Datasheet (.pdf)](documents/GCM_datasheet.pdf)
7091

71-
*WIP*
92+
## Contributing / Questions
93+
Please see [Contributing file](CONTRIBUTING.md)

0 commit comments

Comments
 (0)