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Development FPGA board with Gowin chip

FlyingDutch

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Hello, forum,

some time ago I published a post related to the FPGA board based on the Gowin GW1N-LV9LQ144C6/I5 chip. See post:


I ordered PCB in JLCPCB and then mounted the prototype. I checked this FPGA board with some FPGA projects and all hardware components are working properly (I also checked PSRAM and external Flash). There was a FTDI USB programer for the FPGA chip and it also work fine with "Gowin Programmer". After checking all components I implemented NEORV32 (RISC-V) soft-cpu on this board and it worked fine. See the link to the project:
https://github.com/stnolting/neorv32

The second edition of PCB has been designed. This version is more professional - some things has been improved:
1) Power planes
2) All high-speed signals and differential pairs of I/O pin traces are designed with length-matching
3) the size of the PCB is smaller
4) PCB has been designed for small EMI emission

This board is well-equipped with peripherals and has 64 I/O pins lead-out for headers. Every I/O bank can be powered by 3.3V , 2.5V, 1.2V voltages.
Here is screenshot from EasyEDA Pro CAD:

FPGA_GowinPCB.png

And here is 2D image of board:

3D_PCB9_2023-12-10.png

3D image of teh FPGA board:
3D_PCB9_2023-12-10 (1).png

Regards
 

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