systems-on-chipCXEP2342L A low-power metering mode allows metering in the presence of neutral disconnect tampering. The low-power, dedicated compute engine (CE) handles high-rate metrology processing

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The CXEP2342L electricity meter systems-on-chip (SoC) integrate dual 32-bit processors for demanding single-phase metering applications with 128KB or 64KB flash, 8KB RAM, and a single-cycle 32 x 32 + 64 multiplier. A low-power metering mode allows metering in the presence of neutral disconnect tampering. The low-power, dedicated compute engine (CE) handles high-rate metrology processing and a 32-bit MAXQ30 MPU core handles other application functions including communications and display control.

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Single ADC Offers High-Accuracy Performance and Cost-Effective Solutionj7i嘉泰姆

Supports Up to 5 Multiplexed Inputsj7i嘉泰姆

0.1% (typ) Wh Accuracy over 2000:1 Current Rangej7i嘉泰姆

Dual-Core Architecture Improves System Performancej7i嘉泰姆

Dedicated 32-bit DSP Core for High-Rate Metrology Processingj7i嘉泰姆

MAXQ30 32-Bit RISC MPU, 10 MIPS (at 10MHz)j7i嘉泰姆

Highly Integrated Product Features and Flexible Peripherals Support Broad Application Needsj7i嘉泰姆

128KB (M1) or 64KB (M1L) Flash, 8KB SRAMj7i嘉泰姆

Supports Current Transformers or Shunts for Current Measurementj7i嘉泰姆

RTC with Hardware Temperature Compensationj7i嘉泰姆

Digital Temperature Compensation for Metrologyj7i嘉泰姆

45Hz to 65Hz Line Frequency Rangej7i嘉泰姆

Phase Compensation (10)j7i嘉泰姆

Four Pulse Outputsj7i嘉泰姆

LCD Controller Supports Up to 39 Segment Drivers and Up to Six Common Planesj7i嘉泰姆

Two PWM Channels with Programmable Frequency, Duty Cycle, Ramp Timej7i嘉泰姆

Five General-Purpose Timersj7i嘉泰姆

Touch Switch Inputj7i嘉泰姆

SPI (Master and Slave)j7i嘉泰姆

I²C (Master and Slave)j7i嘉泰姆

3x UARTs (One with Optical Encoder)j7i嘉泰姆

Small 64-Pin LQFP Package Saves Board Spacej7i嘉泰姆

Low-Power Operation Extends Battery Lifej7i嘉泰姆

Enables Metering Mode Operation During Neutral Disconnect Tamperingj7i嘉泰姆

5.6mA Consumption at 3.3V in Typical Metering Modej7i嘉泰姆

1.6mA Typical Current Consumption at 3.3V in Low-Power Metering Modej7i嘉泰姆

1.75μA Typical Sleep Mode Currentj7i嘉泰姆

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Residential Metersj7i嘉泰姆

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