HardLabs

CAN Breakout

gregdavill·syzygy-pods·hardware/can/can.kicad_pcb

CAN Breakout layout, top view — open source AVR/Arduino board by gregdavill
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About the CAN Breakout

CAN Breakout is an open source AVR/Arduino PCB design by gregdavill, published on GitHub. It is a 4-layer board measuring 45 × 35 mm, with 39 components from 20 distinct parts.

Its main chip is the ATTINY44A-MMH, from the AVR/Arduino family. Other key parts include the MCP25625-x-SS. By type, the board carries 17 resistors, 10 capacitors, 6 diodes, 3 connectors, 2 ICs and 1 crystal.

It belongs with the dev boards & breakouts designs in this gallery.

From the project

SYZYGY is an FPGA expansion standard for medium to high speed interfaces. Learn more and check out the specifications here: https://syzygyfpga.io/

SYZYGY is an FPGA expansion standard for medium to high speed interfaces. Learn more and check out the specifications here: https://syzygyfpga.io/

lvds-10.1"-panel - 10.1" 1280x800 LVDS LCD + PMIC ds90c124-deserializer - 1 to 24bit deserialzer sii9022a - HDMI transmitter can - MCP25625 based CAN controller

Main components on the CAN Breakout

MCP25625-x-SSATTINY44A-MMH

CAN Breakout bill of materials (BOM)

39 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MCP25625-x-SS
U1
1
ATTINY44A-MMH
ATtiny44A-MMH
U2
1
CSTCE20M0V13L99-R0
Y1
1
QTE-020-01-F-D-A
SYZYGY-STD
J1
1
Conn_01x03_Male
J2
1
Conn_01x03_Male
J4
1
D_Schottky_ALT
D1
3
LED_ALT
D2, D3, D4
2
D_Zener_x2_KCom_AAK
D5, D6
1
CL05B104KP5NNNC
1uF
C1
4
CL05B104KP5NNNC
0.1uF
C2, C3, C5, C9
1
CL05B104KP5NNNC
0.01uF
C4
2
47pF
C6, C7
1
4.7nF
C8
1
CL05A105KP5NNNC
1uF
C10
1
10k
R1
7
100k
R2, R3, R4, R7, R8, R9, R10
6
1k
R5, R6, R11, R12, R16, R17
2
60.4R
R13, R14
1
RMCF0402FT10K0
10K
R15

CAN Breakout design files

The KiCad project lives in the gregdavill/syzygy-pods repository on GitHub; these links point at the commit this page was built from.

CAN Breakout: common questions

What microcontroller does the CAN Breakout use?

The CAN Breakout is built around the ATTINY44A-MMH, from the AVR/Arduino family.

How big is the CAN Breakout?

The CAN Breakout measures 45 × 35 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the CAN Breakout?

39 components, from 20 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the CAN Breakout design files?

From the gregdavill/syzygy-pods repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the CAN Breakout design in my own project?

The repository has no license, so all rights stay with gregdavill. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the CAN Breakout without the hardware?

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

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