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 Solutionw88嘉泰姆

Supports Up to 5 Multiplexed Inputsw88嘉泰姆

0.1% (typ) Wh Accuracy over 2000:1 Current Rangew88嘉泰姆

Dual-Core Architecture Improves System Performancew88嘉泰姆

Dedicated 32-bit DSP Core for High-Rate Metrology Processingw88嘉泰姆

MAXQ30 32-Bit RISC MPU, 10 MIPS (at 10MHz)w88嘉泰姆

Highly Integrated Product Features and Flexible Peripherals Support Broad Application Needsw88嘉泰姆

128KB (M1) or 64KB (M1L) Flash, 8KB SRAMw88嘉泰姆

Supports Current Transformers or Shunts for Current Measurementw88嘉泰姆

RTC with Hardware Temperature Compensationw88嘉泰姆

Digital Temperature Compensation for Metrologyw88嘉泰姆

45Hz to 65Hz Line Frequency Rangew88嘉泰姆

Phase Compensation (10)w88嘉泰姆

Four Pulse Outputsw88嘉泰姆

LCD Controller Supports Up to 39 Segment Drivers and Up to Six Common Planesw88嘉泰姆

Two PWM Channels with Programmable Frequency, Duty Cycle, Ramp Timew88嘉泰姆

Five General-Purpose Timersw88嘉泰姆

Touch Switch Inputw88嘉泰姆

SPI (Master and Slave)w88嘉泰姆

I²C (Master and Slave)w88嘉泰姆

3x UARTs (One with Optical Encoder)w88嘉泰姆

Small 64-Pin LQFP Package Saves Board Spacew88嘉泰姆

Low-Power Operation Extends Battery Lifew88嘉泰姆

Enables Metering Mode Operation During Neutral Disconnect Tamperingw88嘉泰姆

5.6mA Consumption at 3.3V in Typical Metering Modew88嘉泰姆

1.6mA Typical Current Consumption at 3.3V in Low-Power Metering Modew88嘉泰姆

1.75μA Typical Sleep Mode Currentw88嘉泰姆

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Residential Metersw88嘉泰姆

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