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Introduction
This is a 2-Channel CAN bus expansion HAT designed for Raspberry Pi, supports CAN FD (CAN with Flexible Data-Rate), the speed is higher than the traditional 1Mbps of CAN2.0, features multi onboard protection circuits, high anti-interference capability, and stable operation. It suits for fields such as automotive devices or industrial automation.
Features
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
- Supports both traditional CAN2.0 and CAN FD protocols, up to 8Mbps data rate
- Breakout SPI control pins, for connecting with host control boards like STM32/Arduino
- Onboard electrical isolation, up to 5KV isolated voltage, high anti-interference capability, stable operation
- Onboard lighting proof, ESD, short circuit protection, more safe communication
- Onboard voltage translator, select 3.3V/5V operating voltage by jumper
- Onboard 120Ω terminal resistor, configured by jumper
- Comes with development resources and manual (examples for Raspberry Pi/Arduino)
Specifications
- CAN controller: MCP2517FD
- CAN transceiver: MCP2562FD
- Communication interface: SPI (two channels independent SPI by default, swith to one channel SPI by soldering)
- Power supply: external power input terminal, or Raspberry Pi
- Power input terminal voltage: DC 8~26V
- Operating voltage: 5V
- Logic level: 3.3V/5V
- Dimensions: 65.0 x 56.5 mm
Interfaces
| PIN | Raspberry Pi (BCM2835) | Raspberry Pi (WPI) | Description |
| 5V | 5V | 5V | 5V Power input |
| GND | GND | GND | Ground |
| MISO_0 | 9 (MISO) | 13 (MISO) | SPI_0 Data output |
| MOSI_0 | 10 (MOSI) | 12(MOSI) | SPI_0 Data input |
| SCK_0 | 11 (SCK) | 14 (SCK) | SPI_0 Clock input |
| CS_0 | 8 (CE0) | 10 (CE0) | CAN_0 Chip select |
| INT_0 | 25 | 6 | CAN_0 Interrupt Pin |
| MISO_1 | 9/19 (MISO) | 13/24 (MISO) | SPI_1 Data output |
| MOSI_1 | 10/20 (MOSI) | 12/28 (MOSI) | SPI_1 Data input |
| SCK_1 | 11/21(SCLK) | 14/29 (SCLK) | SPI_1 Clock input |
| CS_1 | 7(CE1)/26 | 11(CE1)/25 | CAN_1 Chip select |
| INT_1 | 16 | 27 | CAN_1 Interrupt Pin |
Development Resource - Product Wiki Page for Resources
- 1. CP2517FD CAN controller
- 2. MCP2562FD CAN transceiver
- 3. SI8642ED digital isolator
- 4. MP1584EN power chip
- 5. RT9193-33 power chip
- 6. B0505LS-1W power supply isolation module
- 7. Raspberry Pi GPIO connector: for connecting Raspberry Pi
- 8. CAN terminal
- 9. External power input terminal: DC 8~26V input
- 10. MCU control pin: for connecting with host control boards like Arduino
- 11. 120Ω terminal resistor configuration
- 12. 3.3V/5V logic level selection
-
13. CAN operating mode selection:
- A: CAN_0 and CAN_1 use two channels independent SPI (default)
- B: CAN_0 and CAN_1 share one common SPI
- 14. Power indicator
- 15. 2A fast auto-recovery fuse
- 16. Power supply anti-reverse diode
- 17. Power supply anti-countercurrent diode
- 18. Follow current diode
- 19. SM24CANB TVS diode array
Introduction
This is a 2-Channel CAN bus expansion HAT designed for Raspberry Pi, supports CAN FD (CAN with Flexible Data-Rate), the speed is higher than the traditional 1Mbps of CAN2.0, features multi onboard protection circuits, high anti-interference capability, and stable operation. It suits for fields such as automotive devices or industrial automation.
Features
- Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
- Supports both traditional CAN2.0 and CAN FD protocols, up to 8Mbps data rate
- Breakout SPI control pins, for connecting with host control boards like STM32/Arduino
- Onboard electrical isolation, up to 5KV isolated voltage, high anti-interference capability, stable operation
- Onboard lighting proof, ESD, short circuit protection, more safe communication
- Onboard voltage translator, select 3.3V/5V operating voltage by jumper
- Onboard 120Ω terminal resistor, configured by jumper
- Comes with development resources and manual (examples for Raspberry Pi/Arduino)
Specifications
- CAN controller: MCP2517FD
- CAN transceiver: MCP2562FD
- Communication interface: SPI (two channels independent SPI by default, swith to one channel SPI by soldering)
- Power supply: external power input terminal, or Raspberry Pi
- Power input terminal voltage: DC 8~26V
- Operating voltage: 5V
- Logic level: 3.3V/5V
- Dimensions: 65.0 x 56.5 mm
Interfaces
| PIN | Raspberry Pi (BCM2835) | Raspberry Pi (WPI) | Description |
| 5V | 5V | 5V | 5V Power input |
| GND | GND | GND | Ground |
| MISO_0 | 9 (MISO) | 13 (MISO) | SPI_0 Data output |
| MOSI_0 | 10 (MOSI) | 12(MOSI) | SPI_0 Data input |
| SCK_0 | 11 (SCK) | 14 (SCK) | SPI_0 Clock input |
| CS_0 | 8 (CE0) | 10 (CE0) | CAN_0 Chip select |
| INT_0 | 25 | 6 | CAN_0 Interrupt Pin |
| MISO_1 | 9/19 (MISO) | 13/24 (MISO) | SPI_1 Data output |
| MOSI_1 | 10/20 (MOSI) | 12/28 (MOSI) | SPI_1 Data input |
| SCK_1 | 11/21(SCLK) | 14/29 (SCLK) | SPI_1 Clock input |
| CS_1 | 7(CE1)/26 | 11(CE1)/25 | CAN_1 Chip select |
| INT_1 | 16 | 27 | CAN_1 Interrupt Pin |
Development Resource - Product Wiki Page for Resources
- 1. CP2517FD CAN controller
- 2. MCP2562FD CAN transceiver
- 3. SI8642ED digital isolator
- 4. MP1584EN power chip
- 5. RT9193-33 power chip
- 6. B0505LS-1W power supply isolation module
- 7. Raspberry Pi GPIO connector: for connecting Raspberry Pi
- 8. CAN terminal
- 9. External power input terminal: DC 8~26V input
- 10. MCU control pin: for connecting with host control boards like Arduino
- 11. 120Ω terminal resistor configuration
- 12. 3.3V/5V logic level selection
-
13. CAN operating mode selection:
- A: CAN_0 and CAN_1 use two channels independent SPI (default)
- B: CAN_0 and CAN_1 share one common SPI
- 14. Power indicator
- 15. 2A fast auto-recovery fuse
- 16. Power supply anti-reverse diode
- 17. Power supply anti-countercurrent diode
- 18. Follow current diode
- 19. SM24CANB TVS diode array