MCP2515 Can Bus Module Board TJA1050 Receiver SPI for 51 MCU Arm Controller Documentation

Component Name

MCP2515 Can Bus Module Board TJA1050 Receiver SPI for 51 MCU Arm Controller

Overview

The MCP2515 Can Bus Module Board TJA1050 Receiver SPI is a versatile and feature-rich IoT component designed for implementation in a wide range of applications that require CAN (Controller Area Network) bus communication. This module is specifically designed to work with 51 MCU Arm Controllers and offers a robust and reliable solution for integrating CAN bus functionality into various devices and systems.

Functionality

CAN Bus Interface: The module provides a CAN bus interface, enabling devices to communicate with each other over the CAN bus network.
SPI Interface: The module features an SPI (Serial Peripheral Interface) interface, allowing for easy connection to microcontrollers, such as the 51 MCU Arm Controller.
TJA1050 CAN Transceiver: The module incorporates the TJA1050 CAN transceiver, which provides a high-speed CAN bus interface and ensures reliable data transmission.
MCP2515 CAN Controller: The module utilizes the MCP2515 CAN controller, a high-performance CAN controller with a built-in SPI interface.

The MCP2515 Can Bus Module Board TJA1050 Receiver SPI is primarily used for implementing CAN bus communication in IoT devices, automotive systems, industrial control systems, and other applications that require reliable and efficient data exchange between devices. The module's primary functions include

Key Features

Operational Voltage: 5V
CAN Bus Speed: Up to 1 Mbps
SPI Clock Frequency: Up to 10 MHz
TJA1050 CAN Transceiver: High-speed CAN transceiver with slew-rate controlled output
MCP2515 CAN Controller: 16-bit, high-performance CAN controller with built-in SPI interface
Number of CAN Bus Channels: 1
Compliance: Conforms to ISO 11898-1, ISO 11898-2, and SAE J1939 standards
Operating Temperature Range: -40C to 125C
Package Type: Module board with Berg pins or stamp holes for easy installation
Dimensions: 25 x 25 mm (approximately)

Technical Specifications

| Parameter | Value |

| --- | --- |

| Supply Voltage | 5V |

| CAN Bus Speed | Up to 1 Mbps |

| SPI Clock Frequency | Up to 10 MHz |

| Operating Temperature Range | -40C to 125C |

| Storage Temperature Range | -40C to 150C |

| Humidity | 5% to 95% RH |

Package Contents

1 x MCP2515 Can Bus Module Board TJA1050 Receiver SPI

1 x Berg pin header or stamp hole connector (depending on the package type)

Applications

Automotive systems
Industrial control systems
IoT devices
Robotics
Medical devices
Aerospace systems

Documentation and Resources

Datasheets for MCP2515 and TJA1050

Application notes and user manuals

Schematic diagrams and PCB layout files

Sample code and libraries for various microcontrollers

Warranty and Support

The MCP2515 Can Bus Module Board TJA1050 Receiver SPI is backed by a [warranty period] warranty and supported by [technical support resources], including online documentation, forums, and technical support teams.

Pin Configuration

MCP2515 Can Bus Module Board TJA1050 Receiver SPI for 51 MCU Arm Controller
Pin Description:
The MCP2515 Can Bus Module Board TJA1050 Receiver SPI is a versatile board designed for microcontrollers with SPI interfaces. The board features 16 pins, which are explained below:
1. VCC (Power Supply):
Function: Power supply pin for the module.
Voltage: Typically 3.3V or 5V, depending on the microcontroller's voltage level.
Connection: Connect to the positive power supply of the microcontroller or a regulated power source.
2. GND (Ground):
Function: Ground pin for the module.
Connection: Connect to the ground pin of the microcontroller or a common ground point.
3. SCK (Serial Clock):
Function: SPI clock pin, used for synchronizing data transmission between the microcontroller and the MCP2515.
Connection: Connect to the SPI clock pin of the microcontroller (e.g., SCK on Arduino boards).
4. SI (Serial Input):
Function: SPI data input pin, used for receiving data from the microcontroller.
Connection: Connect to the SPI MOSI (Master Out Slave In) pin of the microcontroller (e.g., MOSI on Arduino boards).
5. SO (Serial Output):
Function: SPI data output pin, used for transmitting data to the microcontroller.
Connection: Connect to the SPI MISO (Master In Slave Out) pin of the microcontroller (e.g., MISO on Arduino boards).
6. CS (Chip Select):
Function: SPI chip select pin, used to enable or disable the MCP2515.
Connection: Connect to a digital pin on the microcontroller, which will be used to control the CS pin.
7. INT (Interrupt):
Function: Interrupt pin, used to notify the microcontroller of incoming CAN bus messages.
Connection: Connect to a digital pin on the microcontroller, which will be used to handle interrupts.
8. CANH (CAN Bus High):
Function: CAN bus high signal pin, connected to the CAN bus high wire.
Connection: Connect to the CAN bus high wire of the CAN bus network.
9. CANL (CAN Bus Low):
Function: CAN bus low signal pin, connected to the CAN bus low wire.
Connection: Connect to the CAN bus low wire of the CAN bus network.
10. TJA1050 VCC (TJA1050 Power Supply):
Function: Power supply pin for the TJA1050 CAN transceiver.
Voltage: Typically 5V.
Connection: Connect to a regulated 5V power supply.
11. TJA1050 GND (TJA1050 Ground):
Function: Ground pin for the TJA1050 CAN transceiver.
Connection: Connect to a common ground point.
12. RST (Reset):
Function: Reset pin, used to reset the MCP2515.
Connection: Connect to a digital pin on the microcontroller, which will be used to control the reset pin.
13. No Connection:
Function: No internal connection.
Connection: Leave unconnected.
14. No Connection:
Function: No internal connection.
Connection: Leave unconnected.
15. No Connection:
Function: No internal connection.
Connection: Leave unconnected.
16. No Connection:
Function: No internal connection.
Connection: Leave unconnected.
Connection Structure:
To connect the MCP2515 Can Bus Module Board to a microcontroller, follow this structure:
Connect VCC to the microcontroller's power supply (3.3V or 5V).
Connect GND to the microcontroller's ground pin.
Connect SCK to the microcontroller's SPI clock pin (e.g., SCK on Arduino boards).
Connect SI to the microcontroller's SPI MOSI pin (e.g., MOSI on Arduino boards).
Connect SO to the microcontroller's SPI MISO pin (e.g., MISO on Arduino boards).
Connect CS to a digital pin on the microcontroller, which will be used to control the CS pin.
Connect INT to a digital pin on the microcontroller, which will be used to handle interrupts.
Connect CANH to the CAN bus high wire of the CAN bus network.
Connect CANL to the CAN bus low wire of the CAN bus network.
Connect TJA1050 VCC to a regulated 5V power supply.
Connect TJA1050 GND to a common ground point.
Connect RST to a digital pin on the microcontroller, which will be used to control the reset pin.
Note: Make sure to consult the datasheet of the microcontroller and the MCP2515 for specific connection requirements and configurations.

Code Examples

MCP2515 CAN Bus Module Board TJA1050 Receiver SPI for 51 MCU Arm Controller

Overview

The MCP2515 CAN Bus Module Board is a popular and widely used component in the Internet of Things (IoT) and automotive industries. It is a Controller Area Network (CAN) bus controller that provides a simple and cost-effective solution for implementing CAN bus protocols in various applications. The module is based on the MCP2515 CAN controller from Microchip, which is a standalone CAN controller that operates at speeds of up to 1 Mb/s. The module also features a TJA1050 CAN transceiver, which provides a complete CAN bus interface solution.

Technical Specifications

MCP2515 CAN bus controller
 TJA1050 CAN transceiver
 SPI interface for communication with microcontrollers
 Operating voltage: 5V
 CAN bus speed: up to 1 Mb/s
 Compatible with 51 MCU Arm controllers

Code Examples

### Example 1: Basic CAN Bus Communication using Arduino

In this example, we will demonstrate how to use the MCP2515 CAN Bus Module Board with an Arduino board to send and receive CAN bus messages.

Hardware Requirements:

Arduino Uno or compatible board
 MCP2515 CAN Bus Module Board
 CAN bus cables

Software Requirements:

Arduino IDE
 MCP2515 library for Arduino (available on GitHub)

Code:
```c
#include <MCP2515.h>

// Define the MCP2515 SPI pins
#define MCP2515_CS 10
#define MCP2515_SCK 13
#define MCP2515_MOSI 11
#define MCP2515_MISO 12

MCP2515 can(MCP2515_CS, MCP2515_SCK, MCP2515_MOSI, MCP2515_MISO);

void setup() {
  Serial.begin(9600);
  can.begin();
}

void loop() {
  // Send a CAN bus message
  byte data[] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
  can.sendMessage(0x100, 0, 8, data);

delay(1000);

// Receive a CAN bus message
  uint32_t id;
  byte length;
  byte data2[8];
  can.getMessage(&id, &length, data2);

Serial.print("Received message: ");
  Serial.println(id, HEX);
  for (int i = 0; i < length; i++) {
    Serial.print(data2[i], HEX);
    Serial.print(" ");
  }
  Serial.println();
}
```
### Example 2: CAN Bus Data Logging using Raspberry Pi (Python)

In this example, we will demonstrate how to use the MCP2515 CAN Bus Module Board with a Raspberry Pi to log CAN bus data to a CSV file.

Hardware Requirements:

Raspberry Pi 3 or compatible board
 MCP2515 CAN Bus Module Board
 CAN bus cables

Software Requirements:

Raspbian OS
 Python 3.x
 python-can library (available on PyPI)

Code:
```python
import can
import csv

# Define the CAN bus interface
bus = can.interface.Bus(bustype='raspberry_pi', channel='can0')

# Open a CSV file for data logging
with open('can_data.log', 'w', newline='') as csvfile:
    writer = csv.writer(csvfile)

while True:
        # Receive a CAN bus message
        msg = bus.recv()

# Log the message to the CSV file
        writer.writerow([msg.arbitration_id, msg.data])

print(f"Logged message: {msg.arbitration_id} {msg.data}")
```
Note: In this example, we assume that the Raspberry Pi is configured to use the CAN bus interface, and the `can0` channel is used for communication with the MCP2515 module.

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