Has the Aster carrier board connectors to output the colibri Mx7 CanBus

We’d to use the Aster carrier which is smaller than the evaluation board but we need a CAN bus connection.
Has anyone already done this ?

Hi @herseon ,

Can you let me know, if you are using or want to use any specific Colibri module?

Best Regards,
Satyan

We plan to use an iMx7 Solo Colibri module.

Hi @herseon,

Colibri iMX7 offers 2x CAN interface (CAN_TX/RX signals), please refer to Colibri iMX7 datasheet, section 5.24 and table 5-46 (CAN signal pins) for more details.

On Aster, CAN_TX/RX signals (when using Colibri iMX7) are accessed at following connectors:

CAN1.RX:

  • SODIMM_63 ---------------> X18, pin 1 (UNO_GPIO7, via level translator IC12)
  • SODIMM_90 / SSP_RX ---------------> X18, pin 5 (UNO_SPI_MISO, via level translator IC12) OR X20, pin 21

CAN1.TX:

  • SODIMM_55 ---------------> X17, pin 4 (UNO_GPIO6 via level translator IC11)
  • SODIMM_92 / SSP_TX ---------------> X18, pin 4 (UNO_SPI_MOSI, via level translator IC12) OR X20, pin 19

CAN2.RX:

  • SODIMM_188 ---------------> X20, pin 35 (via R123)
  • SODIMM_196 / I2C_SCL ---------------> X20, pin 28 (via R129) OR X18, pin 10 (UNO_I2C_SCL, via level translator IC13)
  • SODIMM_81 ---------------> X20, pin 31

CAN2.TX:

  • SODIMM_194 / I2C_SDA ---------------> X20, pin 27 (via R126) OR X18, pin 9 (UNO_I2C_SDA, via level translator IC13)
  • SODIMM_94 ---------------> X20, pin 29

Please refer Aster Carrier Board V1.1 schematics for more details.

https://docs.toradex.com/103044-aster-carrier-board-schematics.zip

You will need external CAN transceiver with Aster carrier board.

Hope the above details are helpful. Let me know if you have any further query.

Best Regards,
Satyan Raj