ONDA SOM/ONDA Hardware/Peripherals/CAN
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Contents
Peripheral CAN[edit | edit source]
ONDA provides full CAN 2.0B-compliant CAN bus interfaces 2.0-A, 2.0-B and ISO 118981-1.
The CAN port is connected to the on-board transceiver (TI SN65HVD232) which converts the controller's single-ended CAN signals into the differential signals of the physical layer. The following table describes the interface signals:
| Pin name | Conn. pin | Function | Notes |
|---|---|---|---|
| CAN_STBYn | J2.87 | CAN stand-by | PHY pin 8 STB signal - active low |
| CAN_H | J2.107 | High bus output | - |
| CAN_L | J2.105 | Low bus output | - |
Optionally, the on-board TCAN3413 CAN PHY transceiver can be excluded (for example, to use an external PHY on the carrier board) and the single-ended CAN signals are routed to the connectors. The following table describes the interface signals:
| Pin name | Conn. pin | Function | Notes |
|---|---|---|---|
| PS_MIO41_501 | J2.105 | Receive data pin | voltage level referred to Bank 501 power supply |
| PS_MIO40_501 | J2.107 | Transmit data pin | voltage level referred to Bank 501 power supply |
Contact our Sales Department for more information about this hardware option.
