3.4.3 Controller Area Network (CAN) Interface
Two MCP2542 transceivers are placed on the SAM9X60-Curiosity.
The MCP2542 is a high-speed CAN transceiver that provides the interface between the Controller Area Network (CAN) protocol controller and the physical two-wire bus. For more information about the MCP2542, refer to the product web page.
| PIO | Signal Name | Signal Description |
|---|---|---|
| PC9 | CAN0_STBY_PC9 | CAN standby port 0 |
| PA10 | CAN0_TX_PA10 | CAN transmit port 0 |
| PA9 | CAN0_RX_PA9 | CAN receive port 0 |
| PB17 | CAN1_STBY_PB17 | CAN standby port 1 |
| PA5 | CAN1_TX_PA5 | CAN transmit port 1 |
| PA6 | CAN1_RX_PA6 | CAN receive port 1 |
CAN0 function and Debug UART (RX) are shared and selectable through the J14 connector.
CAN0 function and Debug UART (TX) are shared and selectable through the J15 connector.
| Pin No | Signal Name | Signal Description |
|---|---|---|
| 1 | CAN0_H | Differential positive port 0 |
| 2 | CAN0_L | Differential negative port 0 |
| 3 | GND | Common ground |
| 4 | CAN1_H | Differential positive port 1 |
| 5 | CAN1_L | Differential negative port 1 |
Attention: CAN connector (J7) is not assembled in the
board.