TC1021 – UART On CAN device
The TC1021 is a UART On CAN device designed to provide a “transparent data transmission” mechanism, meaning that the data format and content at the sending and receiving ends remain consistent, with only the transmission medium switching from UART to the CAN bus physical layer.
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TC1021 Functions and parameters
The demand for such devices arises from their significant advantages in extending communication range and enhancing noise immunity. These devices solve challenges in fields such as industry, automotive, and the Internet of Things (IoT), enabling users to build more efficient and reliable communication systems. If your project requires integrating UART devices into a CAN bus network, this device is an ideal choice.
- Input Interface: Standard UART, used for data input and output
- Output Interface: Standard CAN bus physical layer interface, used for transmitting CAN signals
- Data Processing: The device transmits data received from the UART through the CAN physical layer

- Pin 2 CAN_Low
- Pin 3 CAN_GND
- Pin 5 CAN_Shield
- Pin 7 CAN_High
Typical applications
- Industrial long-distance UART
- Automotive UART-to-CAN integration
- Reliable IoT UART data
Specification
| Interface | 1 x UART (USB2.0) / 1 x CAN |
|---|---|
| Driver | Driver-free design for Windows and Linux systems, ensuring system compatibility |
| Terminal Resistor | N/A |
| UART Baud Rate | Maximum 1 Mbps |
| Forwarding Delay | < 80 ns |
| Power Supply | USB |
| Power Consumption | 1 W |
| Casing Material | Plastic |
| Dimension | Approx. 94 x 48 x 24 mm |
| Weight | Net weight: approx. 77 g /Gross weight: approx. 122g |
| Operating Temperature | -40℃ ~ 80℃ |
| Operating Humidity | 10% ~ 90% (non-condensing) |
| Operating Environment | keep away from corrosive gases |
During operation, make sure to correctly connect the power lines and avoid frequent plugging and unplugging.









