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 SolutionYBJ嘉泰姆

Supports Up to 5 Multiplexed InputsYBJ嘉泰姆

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

Dual-Core Architecture Improves System PerformanceYBJ嘉泰姆

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

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

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

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

Supports Current Transformers or Shunts for Current MeasurementYBJ嘉泰姆

RTC with Hardware Temperature CompensationYBJ嘉泰姆

Digital Temperature Compensation for MetrologyYBJ嘉泰姆

45Hz to 65Hz Line Frequency RangeYBJ嘉泰姆

Phase Compensation (10)YBJ嘉泰姆

Four Pulse OutputsYBJ嘉泰姆

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

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

Five General-Purpose TimersYBJ嘉泰姆

Touch Switch InputYBJ嘉泰姆

SPI (Master and Slave)YBJ嘉泰姆

I²C (Master and Slave)YBJ嘉泰姆

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

Small 64-Pin LQFP Package Saves Board SpaceYBJ嘉泰姆

Low-Power Operation Extends Battery LifeYBJ嘉泰姆

Enables Metering Mode Operation During Neutral Disconnect TamperingYBJ嘉泰姆

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

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

1.75μA Typical Sleep Mode CurrentYBJ嘉泰姆

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Residential MetersYBJ嘉泰姆

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