[사용 보드 종류]
- MCU (STM32F446RE)와 CAN Transeiver (MCP2551) 사용
[MCU_CAN1 RX PIN]
![](https://velog.velcdn.com/images/chaeyoonl/post/51cbc0e8-7705-4ff5-b173-1bc7aec745d3/image.png)
[MCU_CAN1 TX PIN]
![](https://velog.velcdn.com/images/chaeyoonl/post/3d77bcd5-1897-4ed6-9c66-3458a42b7f93/image.png)
[MCU_PIN MAP]
![](https://velog.velcdn.com/images/chaeyoonl/post/91de9357-5d09-4c2f-aaed-f4e5100150d9/image.png)
[MCU Pin]
![](https://velog.velcdn.com/images/chaeyoonl/post/63c7c40b-5883-45ca-98ce-e049bafa8810/image.png)
[CAN Trensiver chip]
![](https://velog.velcdn.com/images/chaeyoonl/post/84cc6793-5ada-4b9d-9417-f4d83421d997/image.png)
- TXD -> MCU의 CAN1_TX와 연결
- RXD -> MCU의 CAN1_RX와 연결
- CANH -> 다른 CANH와 연결
- CANL -> 다른 CANL와 연결
- Vss -> GND
- Vdd -> V+
<can transeiver을 브레드보드에 꽂은 모습>
![](https://velog.velcdn.com/images/chaeyoonl/post/6b950c28-c936-4c94-bcd8-59182a214859/image.png)
<pin number 보는법>
![](https://velog.velcdn.com/images/chaeyoonl/post/956ba620-5f25-4eda-b4f6-f401002c316d/image.png)
- 위 사진의 pin number 보는 법을 찹고하여 MCU와 연결
[MCU와 CAN Transeiver을 연결한 모습]
![](https://velog.velcdn.com/images/chaeyoonl/post/cf52a950-6eb8-4bbe-a9ce-53bcede39916/image.png)