【Overview】

[] TTL UART To CAN Mini Module: Compact Size | Easy Integration | Low Power Consumption

【Features】

WS-TTL-CAN is a TTL UART to CAN module which is compact and easy to integrate, onboard high-performance MCU, with TTL and CAN conversion protocol, easily achieving UART to CAN via simple configuration.

[] Onboard high-performance MCU and CAN transceiver chip, small in size, low power and easy to integrate

[] Built in TTL and CAN conversion protocol algorithm, enabling data conversion communication between TTL and CAN via simple configuration

[] Supports 3.3V operating voltage on TTL interface, supports both CAN 2.0A (standard frame) and CAN 2.0B (extended frame) on CAN interface

[] Supports 14 sets of configurable filters, can only receive CAN bus data in specific range and type via configuration

[] Supports 4 operating modes: transparent conversion, transparent with identifiers conversion, format conversion, and Modbus RTU protocol conversion

[] Supports offline detection and automatic recovery functions

[] UART communication baudrate: 1200bps～460800bps

[] CAN communication baudrate: 10kbps~1000kbps, configurable

[] Up to 1000 frames CAN buffer for buffering transmission data to prevent data loss

[] Supports high-speed conversion, the CAN transmission speed can reach up to 1270 extended frames per second with the UART at 115200bps and CAN at 250kbps (close to the theoretical max value of 1309), and can exceed 5000 extended frames per second with the UART at 460800bps and CAN at 1000kbps

[] Supports device firmware upgrade via TTL, more convenient for firmware update and function customization

【Specifications】

[] POWER: 3.3V@40mA

[] MCU: 32-bit high-performance processor

[] CAN PORT: 

supports CAN2.0A (standard frame) and CAN 2.0B (extended frame)

with ESD protection and anti-surge protection, excellent EMC performance

baudrate: 10kbps~1000kbps

[] TTL PORT:

3.3V operating voltage

baudrate: 1200bps~460800bps

[] COMMUNICATION INDICATORS: onboard working indicator, reserved RUN, COM, and CAN indicator signal pins

[] OTHER: onboard reset/restore to factory setting pin

[] WORKING TEMPERATURE -40~85℃

[] HUMIDITY RANGE 5~95% relative humidity

【Onboard Resources】

【Pin Definition】

NO. PIN DEFINITION DESCRIPTION

1 UART_LED TTL communication indicator signal pin, high level for no data, low level for data transmission

2 CAN_LED CAN communication indicator signal pin, high level for no data, low level for data transmission

3 RUN_LED System running indicator signal pin, toggles between high and low levels (approx. 1Hz) when system is working normally; Outputting high level when CAN bus is abnormal

4 NC Reserved pin, not connected

5 CAN_H CAN differential positive, built-in 120Ω resistor

6 CAN_L CAN differential negative, built-in 120Ω resistor

7 3.3V Power input, 3.3V@40mA

8 GND Ground

9 CFG Reset/restore to factory setting, pull low within 5s for resetting or more than 5s for restoring factory setting

10 DIR RS485 direction control

11 RXD TTL RX

12 TXD TTL TX

【Dimensions】

[] WS-TTL-CAN x1

To：

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