Wcmcu1051 Fixed Jun 2026

Route the TXD pin of the transceiver board directly to the dedicated hardware CAN_TX pin of your microchip. Connect RXD to the hardware CAN_RX pin.

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The WCMCU-1051 relies on the architecture of the Nexperia / TI 74HC4051D IC . This structure ensures low "on" resistance and fast propagation delays, making it suitable for both legacy 5V logic architectures and modern 3.3V power rails. Feature / Specification Parameter Details 74HC4051D (High-Speed CMOS) Operating Voltage Range 2.0V to 6.0V (Standard VCC) Channel Configuration 8-Channel Single-Pole, Octal-Throw (SP8T) Signal Compatibility Analog (0 to VCC) and Digital Signals On-Resistance ( RONcap R sub cap O cap N end-sub ) ≈is approximately equal to Ωcap omega typical at 4.5V Control Interface 3-Bit Binary Address Selection (A, B, C) Isolation Feature Active-LOW Enable pin (E or EN) for cascading Functional Architecture and Pinout Breakdown wcmcu1051

The CJMCU-1051 module features a straightforward pinout that facilitates easy integration:

You will most likely encounter this identifier in the following contexts: Smart Appliances: Route the TXD pin of the transceiver board

It allows direct connection to 3.3V systems (like STM32, ESP32, Raspberry Pi) without requiring external level shifters.

To use the WCMCU-1051, you need a microcontroller with a CAN controller (or an external one like MCP2515). VCC →right arrow GND →right arrow TX →right arrow CAN_TX Pin (e.g., Pin on ESP32 or TX on MCP2515) RX →right arrow CAN_RX Pin (e.g., Pin on ESP32 or RX on MCP2515) CANH/CANL →right arrow Connect to the CAN Bus network 2. Automotive Diagnosis (OBDII) Where to Buy The WCMCU-1051 relies on the

It should be noted that this chip does not support bus wake-up standby mode .

: Ensure your ground planes are unified. While CAN uses differential signalling, substantial ground offsets between nodes can push signals outside the allowable common-mode limits.

The breakout board integrates the highly reliable , providing advanced electromagnetic compatibility (EMC) and robust electrostatic discharge (ESD) protection. Technical Specifications