The CXEP2341L 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

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The CXEP2341L 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 SolutionmwN嘉泰姆

Supports Up to 5 Multiplexed InputsmwN嘉泰姆

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

Dual-Core Architecture Improves System PerformancemwN嘉泰姆

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

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

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

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

Supports Current Transformers or Shunts for Current MeasurementmwN嘉泰姆

RTC with Hardware Temperature CompensationmwN嘉泰姆

Digital Temperature Compensation for MetrologymwN嘉泰姆

45Hz to 65Hz Line Frequency RangemwN嘉泰姆

Phase Compensation (10)mwN嘉泰姆

Four Pulse OutputsmwN嘉泰姆

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

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

Five General-Purpose TimersmwN嘉泰姆

Touch Switch InputmwN嘉泰姆

SPI (Master and Slave)mwN嘉泰姆

I²C (Master and Slave)mwN嘉泰姆

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

Small 64-Pin LQFP Package Saves Board SpacemwN嘉泰姆

Low-Power Operation Extends Battery LifemwN嘉泰姆

Enables Metering Mode Operation During Neutral Disconnect TamperingmwN嘉泰姆

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

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

1.75μA Typical Sleep Mode CurrentmwN嘉泰姆

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Residential MetersmwN嘉泰姆

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