Explore Power Line Communication (PLC) Technology

Learn about VC632X HPLC networking

Learn about VC631X G3-PLC networking

PLC SoCs for HPLC and G3-PLC

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General Description

VC63xx is a single-chip PLC networked MCU designed for smart grids and industrial IoT applications. It integrates a high-current PLC line driver, a high-performance PLC transceiver, a 32-bit ARM Cortex-M4 MCU, embedded flash memory, one 10/100 Ethernet MAC, and multiple interfaces.
Specifically, VC632x supports China SGCC Q/GDW 11612 (HPLC) and IEEE 1901.1, while VC631x supports G3-PLC and IEEE1901.2 for smart grids and other IIoT applications. VC632x/VC631x solution is optimized to provide the most robust AMI networking connectivity and state-of-the-art communication performance in the noisy electric grid environments.

PLC Processor Features

 Support multiple standards: China SGCC Q/GDW 11612, IEEE 1901.1, G3-PLC, IEEE1901.2

 Support multiple frequency bands:

  • SGCC HPLC: band 0/1/2/3
  • IEEE1901.1: 0 - 12 MHz

 Integrated high linearity, high current and power efficient Line Driver for minimal BOM cost

 Companion DC/DC buck converter VC6100 (Patented) for better power efficiency

 Modulation schemes: BPSK, QPSK and 16QAM

 Up to 7 UART interfaces

 3 SPI interfaces:

  • One SPI Master port with 4 chip selects
  • One SPI Slave port
  • 3rd SPI interface configurable as Master or Slave

 2 I2C interfaces

 4 16-bits PWM timers

 1 Ethernet MAC with RMII interface

 AES-128/192/256 and SM2/SM3/SM4 Crypto Accelerator

 2 MB embedded Flash memory

 128 KB SRAM

 Support In-System Programming of Flash memory via UART0 or SPI Slave interface

 Up to 53 programmable GPIOs for maximal flexibility

 3.3 V digital I/O

 Integrated DC/DC (3.3 V to 1.2 V) buck converter


  • Gateway: QFN-88 (10 x 10mm)
  • Station: QFN-60 (7 x 7mm)

 Operating temperature range: -40 ~ +85°C

 Storage temperature range: -40 ~ +125°C


 Smart Grid communications

 Advanced Metering Infrastructure (AMI)

 Smart meters

 Street lighting automation

 Industrial monitoring and control

 Smart home and building

Block Diagram

Ordering Information

Part Number Standards Flash SDRAM Package Body Size(mm)
VC6322TF China SGCC Q/GDW 11612, IEEE 1901.1 2 MB 2 MB QFN-60 7x7
VC6328 China SGCC Q/GDW 11612, IEEE 1901.1 N/A 8 MB QFN-88 10x10
VC6312TF G3-PLC, IEEE P1901.2, ITU-T G.hnem 2 MB 2 MB QFN-60 7x7
VC6318 G3-PLC, IEEE P1901.2, ITU-T G.hnem N/A 8 MB QFN-88 10x10

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