Logi-Pi

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The Logi-Pi is an Spartan 6 LX9 based FPGA development board from ValentFX (http://valentfx.com/).

Logi-pi-board.jpg

What is unique about this board is that it stacks on top of the Raspberry Pi, and can have standard Arduino shields stacked on top.

Logi-pi.jpg

One of the more unique features of this board is that it doesn't have any on-board programming interface, but is programmed by the connected Raspberry Pi using a simple "logi_loader" application. The prototype does in fact have unpopulated pads for a microcontroller to program the FPGA, but I don't think they will end up on the production board.

One compelling feature is the Micro 48LC16M16A2 - a 256Mb (32MB) 133 MHz SDRAM chip - four times what is on the Papilio Pro.

I developed my Simple SDRAM Controller for the Logi-Pi and Papilio Pro on it.

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