Details

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BUY MCP2515-I/ST(1PCS) https://www.utsource.net/itm/p/12610704.html

Parameter	Description
Product Name	MCP2515-I/ST
Package Type	SOIC-28
Quantity	1PCS
Operating Voltage	3.3V to 5.0V
CAN Protocol Version	CAN 2.0B Active
Bit Rate	Up to 1 Mbps (depends on oscillator frequency)
Communication Interface	SPI Interface
Operating Temperature	-40°C to +125°C
Supply Current	9 mA (Typical at 3.3V, active mode)
Standby Current	1 μA (Typical in sleep mode)
Features	Standalone CAN controller, Low-power operation, Sleep/wake-up modes

Instructions for Use:

1. Power Supply:

   • Connect the VCC pin to a power supply between 3.3V and 5.0V.
   • Ensure the GND pin is connected to the ground.

2. SPI Configuration:

   • Connect the SPI pins (SO, SI, SCK, CS) to your microcontroller’s SPI interface.
   • Configure the SPI settings according to the MCP2515 datasheet specifications.

3. CAN Bus Connection:

   • Connect the CANH and CANL pins to the CAN bus lines.
   • Use appropriate termination resistors if connecting to an existing CAN network.

4. Initialization:

   • Initialize the MCP2515 by sending configuration commands via SPI.
   • Set the desired bit rate and other operational parameters using the registers.

5. Data Transmission:

   • Write data to the transmit buffer and send it over the CAN bus.
   • Monitor the status registers to ensure successful transmission.

6. Data Reception:

   • Check the receive buffers for incoming messages.
   • Read data from the receive buffer when new messages are detected.

7. Sleep Mode:

   • Enter sleep mode to reduce power consumption by setting the appropriate register bits.
   • Wake up by toggling the reset pin or using the wake-up interrupt.

8. Error Handling:

   • Monitor error counters and flags to manage and correct any communication issues.
   • Implement error handling routines as per application requirements.

For detailed information, refer to the official Microchip MCP2515 datasheet.

(For reference only)