HardLabs

Vanilla ice40-8k

pbozeman·vanilla-ice40·pcb/vanilla-ice40-8k/vanilla-ice40-8k.kicad_pcb

Vanilla ice40-8k PCB layout, top view — open source FPGA board by pbozeman
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About the Vanilla ice40-8k PCB

Vanilla ice40-8k is an open source FPGA PCB design by pbozeman, published on GitHub under the MIT license. It is a 6-layer board measuring 100 × 62 mm, with 123 components from 33 distinct parts.

Its main chip is the ICE40HX8K-CT256, from the FPGA family. Other key parts include the W25X40CLSN, FT2232HL, 93LCxxBxxOT and TPS563252DRLR. By type, the board carries 57 capacitors, 39 resistors, 6 ICs, 5 inductors, 4 connectors and 2 crystals.

It belongs with the dev boards & breakouts and usb & debug tools designs in this gallery.

From the project

Hardware design and verilog sample files for Lattice ICE40 development boards and expansion boards.

Hardware design and verilog sample files for Lattice ICE40 development boards and expansion boards.

There are 2 core boards, one based on an ICE40 HX4K with 96 available IO pins, and another based on an ICE40 HX8K with 192 available IO pins.

The core boards are "vanilla" with minimal on board peripherals. Almost all IO pins are routed to mezzanine connectors. Expansion boards can be mixed and matched for different projects, while reusing the core board. The expansion boards can be daisy chained.

Vanilla ice40-8k, from the project README
From the project README

Main components on the Vanilla ice40-8k

ICE40HX8K-CT256W25X40CLSNFT2232HL93LCxxBxxOTTPS563252DRLR

Vanilla ice40-8k bill of materials (BOM)

123 components, 33 distinct parts.

QtyPartRefs
1
ICE40HX8K-CT256
U1
1
W25X40CLSN
U2
1
FT2232HL
U3
1
93LCxxBxxOT
U4
2
TPS563252DRLR
U5, U6
1
DMG2305UX-13
Q1
1
SG-8101CE 100Mhz
X1
1
12Mhz/18pf
Y1
1
SM04B-SRSS-TBLFSN
J1
2
FX18-120S-0.8SV20
J2, J3
1
Conn_01x05_Pin
J4
1
Red
5V_1
2
SPDT
BUT1, RESET1
1
Green
CDONE1
1
USB_C_Receptacle_USB2.0_16P
USB1
2
Blue
USR1, USR2
1
1N4148WSF-7
D1
1
1N5819HW-7-F
1N5819HW
D2
2
600ohm/500ma
FB1, FB2
1
600ohm/1.5A
FB3
Show 13 more
QtyPartRefs
2
2.2uH
L1, L2
14
0.1uf
C1, C36, C38, C39, C40, C41, C42, C43 +6
15
22uf
C2, C10, C12, C15, C20, C25, C30, C35 +7
26
0.1uf
C3, C4, C5, C6, C7, C8, C9, C11 +18
2
27pf
C49, C50
7
2.2k
R1, R2, R3, R4, R6, R23, R29
15
10k
R5, R8, R18, R20, R21, R22, R26, R27 +7
3
5.1k
R7, R31, R32
9
0
R9, R12, R13, R14, R15, R16, R17, R24 +1
2
100
R10, R11
1
12k
R19
1
10M
R34
1
45.3k
R35

Vanilla ice40-8k design files

The KiCad project lives in the pbozeman/vanilla-ice40 repository on GitHub; these links point at the commit this page was built from.

Vanilla ice40-8k: common questions

What microcontroller does the Vanilla ice40-8k use?

The Vanilla ice40-8k is built around the ICE40HX8K-CT256, from the FPGA family.

How big is the Vanilla ice40-8k PCB?

The Vanilla ice40-8k measures 100 × 62 mm, has 6 copper layers and is 1.6 mm thick.

How many components are on the Vanilla ice40-8k?

123 components, from 33 distinct parts. The full bill of materials is listed on this page.

Where can I download the Vanilla ice40-8k design files?

From the pbozeman/vanilla-ice40 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Vanilla ice40-8k design in my own project?

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

Can I test firmware for the Vanilla ice40-8k 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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