Difference between revisions of "Light-APF27Dev"
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The aim of this project is to make a little PCB with minimum extension devices to have an extension card that cost 50€ max. | The aim of this project is to make a little PCB with minimum extension devices to have an extension card that cost 50€ max. | ||
| − | The apf27dev PCB design will be reused surface will be divided by 2 to speed development. | + | The apf27dev PCB design will be reused; surface will be divided by 2 to speed development. |
== Caracteristics == | == Caracteristics == | ||
Maximum of I/Os and ports must be available on light-apf27dev : | Maximum of I/Os and ports must be available on light-apf27dev : | ||
| − | * 1 USB | + | * 1 USB OTG (Only host ar real OTG TBD) |
* 1 ethernet | * 1 ethernet | ||
| Line 25: | Line 25: | ||
And maybe but not sure: | And maybe but not sure: | ||
* SD connector | * SD connector | ||
| − | * | + | * second USB host |
Latest revision as of 10:15, 14 December 2009
Introduction
Using apf27 for a custom hobbyist project is very expensive. Because it's necessary to buy a big and expensive extension card named APF27-dev (152€ min) with the base module apf27 (127€ min), very few hobbyist use it.
The aim of this project is to make a little PCB with minimum extension devices to have an extension card that cost 50€ max. The apf27dev PCB design will be reused; surface will be divided by 2 to speed development.
Caracteristics
Maximum of I/Os and ports must be available on light-apf27dev :
- 1 USB OTG (Only host ar real OTG TBD)
- 1 ethernet
Header that correspond on apf27Dev to :
- Wireless connector J8 and J9
- FPGA connector J19 and J20
- User extension interface J22
Necessary devices:
- 1 power circuit
- 1 reset button
- 3-pin header for debug uart
And maybe but not sure:
- SD connector
- second USB host
