STMicroelectronics has revealed a complete smart meter System-on-Chip (SoC) that combines precision metering with flexible, programmable processing and power-line communication (PLC) subsystems along with advanced security. The STCOMET10 features an ARM Cortex-M4 based application processing subsystem with program Flash and RAM, a high-accuracy 3-channel analog and digital metering front-end, and security engine. It supports important PLC protocols such as METERS AND MORE, G3-PLC, IEEE 1901.2 and PRIME. The metering subsystem exceeds Class 0.2 meter requirements, combining three 24-bit A-D converters, integrated filters and a configurable hardwired DSP for energy calculations.
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