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Cp som one

controlpaths·cp_som_one·kicad/som_fpga.kicad_pcb

Cp som one PCB layout, top view — open source FPGA board by controlpaths
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About the Cp som one PCB

Cp som one is an open source FPGA PCB design by controlpaths, published on GitHub under the MIT license. It is a 4-layer board measuring 60 × 50 mm, with 83 components from 24 distinct parts.

Its main chip is the XC7A35T-FGG484, from the FPGA family. Other key parts include the TLV62565DBVR and MX25L12833F. By type, the board carries 46 capacitors, 19 resistors, 5 ICs, 5 diodes, 4 connectors and 3 inductors.

From the project

Artix7 SOM

The CP SOM ONE is a Open Source System-On-Module that features an FPGA Artix7 from AMD.

The CP SOM ONE is open source and all the files are shared. If you want to build your own, you can to go to the JLCPCB website, click on Order Now, and upload a zip file with all the fabrication files.

Then, you have to configure some aspects of the board. For this SOM, I just changed the Surface Finish to LeadFree HASL. Also, you can customize the color of your board.

Cp som one, from the project README
From the project README

Main components on the Cp som one

XC7A35T-FGG484TLV62565DBVRMX25L12833F

Cp som one bill of materials (BOM)

83 components, 24 distinct parts.

QtyPartRefs
1
XC7A35T-FGG484
U1
3
TLV62565DBVR
U2, U3, U4
1
MX25L12833F
U5
1
SG-8018CE
X1
1
Conn_01x02_Pin
J1
3
Conn_02x20_Odd_Even
J2, J3, J4
1
DONE
D1
1
VCC
D2
3
USER_LED
D3, D4, D5
3
2u2
L1, L2, L3
19
4u7
C1, C3, C5, C7, C8, C9, C10, C11 +11
3
10u
C2, C4, C6
20
0.47u
C14, C15, C16, C17, C18, C19, C20, C21 +12
2
47u
C23, C24
2
100u
C33, C34
1
100k
R1
2
22k
R2, R5
1
120k
R3
1
240k
R4
1
33k
R6
Show 4 more
QtyPartRefs
7
4k7
R7, R8, R9, R10, R15, R16, R17
1
330
R11
4
10k
R12, R13, R14, R19
1
100
R18

Cp som one design files

The KiCad project lives in the controlpaths/cp_som_one repository on GitHub; these links point at the commit this page was built from.

Cp som one: common questions

What microcontroller does the Cp som one use?

The Cp som one is built around the XC7A35T-FGG484, from the FPGA family.

How big is the Cp som one PCB?

The Cp som one measures 60 × 50 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Cp som one?

83 components, from 24 distinct parts. The full bill of materials is listed on this page.

Where can I download the Cp som one design files?

From the controlpaths/cp_som_one repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Cp som one design in my own project?

Yes, under the terms of its MIT license, which controlpaths chose for the repository.

Can I test firmware for the Cp som one without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug FPGA firmware against it before you order a PCB.

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