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CANBed DUAL - RP2040 chip based Arduino CAN Bus dev board with 2 independent CAN Bus interfaces(CAN2.0 & CAN FD)

CANBed Dual is a CAN Bus development board with 2 independent CAN FD interfaces based on RP2040. It uses GD32E103CBT6 as the CAN controller with an operating frequency is up to 133MHz, which is suitable for most embedded applications.

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PRODUCT DETAILS

CANBed Dual is a CAN Bus development board with 2 independent CAN FD interfaces based on RP2040. It uses GD32E103CBT6 as the CAN controller with an operating frequency is up to 133MHz, which is suitable for most embedded applications.

Features

  • High Performance: Powered by RP2040 with 264KB of SRAM, and 2MB of onboard Flash memory
  • Support two CAN protocols: CAN-FD and CAN 2.0
  • CAN controller: GD32E103CBT6, dual-core ARM Cortex M0+ processor, flexible clock running up to 133 MHz
  • Multiple interfaces: One I2C, One UART, One 2x3 Pin SPI Interface

Here is a new member of the CAN Bus family in Seeed, let's shed some light on CANBed DUAL!

CANBed DUAL, a CAN Bus development board, is based on the RP2040 chip which is the debut microcontroller from Raspberry Pi. It brings signature values of high performance, low cost, and ease of use to the microcontroller space. There are 264 KB of SRAM and 2MB of Flash memory on board. The operating frequency is up to 133MHz, and it contains a 6PIN Terminal and a flexible Micro USB connector where you can either program the board or supply power to the board. The voltage input range is 9-28V which provides a stable 5V/1A output. There are also rich interfaces on board including one I2C, one UART, one SPI interface, three analog input interfaces, and eight digital IO

CANBed DUAL has two independent CAN Bus interfaces which are CAN2.0 and CAN FD, and it uses high-performance GD32E103CBT6 as the CAN controller. With CANBed Dual, you can learn CAN Bus communication, build product prototypes and read the data from the car. Also, as a part of your product, it integrates the processes of designing the MCU and the CAN Bus, and you only need to complete other hardware designs.

What is CAN-BUS?

CAN stands for Controller Area Network, it is used to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer which allows for control and data acquisition. These devices are also called Electronic Control Units (ECU) and they enable communication between all parts of a vehicle.

Today, you can find up to 70 ECUs in a modern car. CAN is a serial communication bus designed for industrial and automotive applications. For example, they are found in vehicles, farming equipment, industrial environments, etc.

How does CAN-BUS work?

The fuel level, door sensors, odometer, and many more parts of a car have to communicate with each other somehow, and CAN BUS is what they used to do. These CAN-compatible components, called “nodes” are connected with a 3-string copper wire, with no central router to govern the data flow. Every node can hear the messages of every other node.

Every node has an ID, where the ones with the higher priority ID can have the priority to “talk” first while the others “listen”. This is to ensure that there are never two nodes talking at the same time. The most significant benefit of CAN-BUS is to be able to just connect components without having to worry about signal routing.

Learn more about CAN-BUS here.

Applications

  • Learn CAN Bus communication

  • Read the data from the car

  • Build product prototypes

Specification

Parameter

Details

MCU

RP2040

Processor

Dual ARM Cortex-M0+

Clock Speed

flexible clock running up to 133MHz

Flash Memory

2MB

RAM

264KB

Operate Voltage

9-28V

Output Current @3.3V

1A

Input Interface

sub-D

Hardware Overview

CAN Bus Family in Seeed

CAN-BUS series product selection reference is provided here. The table compares NEW-Release Wio-E5 CAN, CANBed v1, CANBed FD, CANBed M4, and CANBed RP2040 in terms of MCU, protocol, memory, interface, etc.

Items

Wio-E5 CAN

CANBed v1

CANBed FD

CANBed M4

CANBed RP2040

CANBed Dual

MCU

Wio-E5 (STM32WLE5JC)

ATmega32U4(with Arduino Leonardo bootloader)

ATmega 32U4 (with Arduino Leonardo bootloader)

ATSAME51 32bit Cortex M4 core

RP2040
(Dual ARM Cortex-M0+)

RP2040

(Dual ARM Cortex-M0+)

Clock Speed

up to 48MHz

16MHz

16MHz

120MHz

up to 133 MHz

133MHz

Protocol

Long Range,RS485,CANFD & CAN2.0

CAN2.0

CANFD & CAN2.0

CANFD & CAN2.0

CAN2.0

CANFD & CAN2.0

Flash Memory

256KB

32KB

32KB

512KB

2MB

2MKB

SRAM

64KB

2.5KB

2.5KB

192KB

264KB

264KB

EEPROM

-

1KB

1KB

-

-

Operate Voltage(CAN-BUS)

4.5~28V

9-28V

7-28V

7~28V

9-28V

9-28V

Operate Voltage (MicroUSB)

5V

5V

5V

5V

3.3V

5V

Lipo Battery

3.7V

-

-

-

-

-

Input Interface

9 pin sub-D or 4PIN Terminal

9 pin sub-D or 4PIN Terminal

sub-D or 4PIN Terminal

sub-D as well as Terminal

sub-D

Sub-D

Price

$39.90

$24.90

$17.90

$19.90

$15.90

$14.9

Partlist

CANBed Dual PCBA

1

6 Pin Terminal connector

1

6 Pin Switch

2

9x2 2.54 Header

1

3x2 2.54 Header

1

ECCN/HTS

HSCODE 8543709990
USHSCODE 8517180050
UPC
EUHSCODE 8543709099
COO CHINA
RoHS 1

LEARN AND DOCUMENTS

Documentations

Learn

Ever heard of CAN-BUS but don’t exactly know what it does? This article will be discussing everything about CAN-BUS.

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