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CERN Open Hardware License

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Adafruit CAN FeatherWing

3 years ago 4843
  • Description
  • Documents
  • BOM
  • Attachments
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Description

Breakout board for ADAFRUIT Feather based on MCP2515 CAN controller with an 3.3V CAN transceiver. This board also connects the various interrupt lines to the Feather to allow for better communication performance especially at higher CAN bus bitrates at the tradeoff that a couple of IO pins are occupied by the CAN FeatherWing. I added 0R resistor bridges into each interrupt line. So if interrupt controlled access is not wanted remove the 0R resistors. Feedback welcome! Final Prototype

Documents

Adafruit CAN FeatherWing

Adafruit CAN FeatherWing

BOM

ID Name Designator Footprint Quantity
1 HEADER-1X12 JP1 HDR1X12 1
2 HEADER-1X16 JP2 HDR1X16 1
3 100n C2,C10 C0402 2
4 10uF C6 C0402 1
5 FEATHERWING MS1 FEATHERWING 1
6 MCP2515T-I/SO U1 SOIC-18 1
7 22p C1,C3 C0402 2
8 4k7 R1,R4,R5,R6,R7 R0402 5
9 SN65HVD231D U2 SOIC-8 1
10 100n C4,C5,C7 C0402 3
11 SIP3 CAN_OUT HDR1X3 1
12 120R R3 R1206 1
13 SIP2 CAN_TERM HDR1X2 1
14 0R R9,R10,R11,R12,R8,R13,R14 R0402 7
15 22R R15,R16,R17 R0402 3
16 49R9 R18 R0402 1
17 1M R19 R0402 1
18 16MHz X1 X4-SMD-3.2X2.5X0.7MM 1
19 MBR0520LT D1 SOD123 1

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Comments (3)

Tim Lynch Reply

Any example code?

Tony Pitman Reply

What is the FeatherWing MS1 in the BOM?

GRiggall Reply

Hi there,


Did this board work ok?
I've been unable to find a crystal with a pinout that matches the footprint on the board. Even the crystal listed on the BOM has pins in a different order..

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