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Connect CAN bus controller to Differential Bus Transceiver

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azadfalah

azadfalah

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Hello friends

i want Connect CAN bus controller to Differential Bus Transceiver As ADM485 , SN75176A and ... Is this possible?

I do not want to use MCP2551 or any can transceiver

Untitled.png

Where to connect the Receive Enable Pin?

Microcontroller : STM32F407
 

check following pinout which is self explanatorycan transceiver.JPG.
 

CAN uses dominant/recessive level concept, not possible with RS485 driver. Read about CAN basics.

A similar behavior can be possibly achieved when sending through transmit enable pin, with supporting pull-up and pull-down resistors, but not exactly complying with CAN standard.
 

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