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Design Resource:

  • General

Ever since we launched our USB2CAN module in the March 2019, we received many favourable reviews from all over the world. We really appreciate the praise, advise, and criticism from all the users.

Based on these feedback, We designed this USB2CAN core module and hope it can helps more people to use this higher cost performance USB2CAN solution in their circuit design conveniently.

Features with small size and various welding modes, you can easy add this core module on your board like X86, ARM, CM4, Jetson Nano,etc, which with USB port and need add CAN-Bus communication function.

The firmware is 100% same as our usb2can module. We also provide the ready-made high reliability reference design files based on this USB2CAN core module.



  • Technical Specification

Connector


CAN

D-SUB, 9 pins

USB

USB 2.0 Full-Speed, Micro USB

CAN Features



Specification

2.0A (standard format) and 2.0B (extended format), ISO 11898-2 High-speed CAN



Data Rate

From 20kbps to 1Mbps can be programmed arbitrarily.


Isolation Voltage

1.5K VDC/min, 3K VDC/1s

Microcontroller

STM32F0, 48MHz

Termination

120 Ohm resistor selectable jumper

CAN Transceiver

ISO1050DUBR ,Texas Instruments

Other

 

Work Temperature

-40°~ 85°

Relative humidity

15-90%, not condensing

PCBA Size (L * W )

22.00mm * 21.00mm

Weight


  • Core Module Hardware Description                  

  • Module Pins Map

PIN

Symbol

I/O

Description

1

CAN_TX

Output

CAN receive data output,Conected to CAN Transceiver

2

CAN_RX

Input

CAN receive data input,onected to CAN Transceiver

3

GND

Input

GND Pin 3,Pin 11,and Pin 12 are interconnected.

4

NRST/NC

Input

Input low level pulse 10 ms to reset the module.

You can let it suspended,if you do not need the reset function.

5

TX_LED

Output

Output High level pulse when the module send a frame, Output 3.3V/4mA, Connected to the indicate LED

6

RX_LED

Output

Output High level pulse when the module receive a frame, Output 3.3V/4mA, Connected to the indicate LED

7

VCC_5V

Input

Power 5V input

8

NC

NC

No connect

9

USB_DM

Input

USB DM(D-) signal  input signal

10

USB_DP

Input

USB DP(D+) signal  input signal

11

GND

Input

Pin 3,Pin 11,and Pin 12 are interconnected

12

GND

Input

Pin 3,Pin 11,and Pin 12 are interconnected

  • Module Size

          PCB Thickness: 1.0 mm

  • Welding The Core Board

           USB2CAN has two kinds of connection to the other board. One is though the pins header,and the other is though the stamp pins.




  • Reference Design Description

        We provide the ready-made reference design files with format to user. If you have any question, feel free to contact to our support team(support@inno-maker.com). You can download the desgin files ib below link:

Reference Design Click Here




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