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 Solutionmag嘉泰姆

Supports Up to 5 Multiplexed Inputsmag嘉泰姆

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

Dual-Core Architecture Improves System Performancemag嘉泰姆

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

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

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

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

Supports Current Transformers or Shunts for Current Measurementmag嘉泰姆

RTC with Hardware Temperature Compensationmag嘉泰姆

Digital Temperature Compensation for Metrologymag嘉泰姆

45Hz to 65Hz Line Frequency Rangemag嘉泰姆

Phase Compensation (10)mag嘉泰姆

Four Pulse Outputsmag嘉泰姆

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

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

Five General-Purpose Timersmag嘉泰姆

Touch Switch Inputmag嘉泰姆

SPI (Master and Slave)mag嘉泰姆

I²C (Master and Slave)mag嘉泰姆

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

Small 64-Pin LQFP Package Saves Board Spacemag嘉泰姆

Low-Power Operation Extends Battery Lifemag嘉泰姆

Enables Metering Mode Operation During Neutral Disconnect Tamperingmag嘉泰姆

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

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

1.75μA Typical Sleep Mode Currentmag嘉泰姆

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Residential Metersmag嘉泰姆

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