• [ CXEP2348 ]"

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1.产品概述       2.产品特点     T7S嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）T7S嘉泰姆

5.产品封装       6.电路原理图  T7S嘉泰姆

7.相关产品T7S嘉泰姆

   产品概述 返回TOPT7S嘉泰姆

The CXEP2347 is a low-power, single-phase energy measurement system-on-chip (SoC), and the CXEP2348 is a low-power polyphase energy measurement SoC. Based on an ARM Cortex-M3 core, the devices can run modern operating systems that monitor and report energy usage and implement communications stacks. In addition to the main administrative core, the devices include a CPU core to perform metering functions and a discrete compute engine for the DSP related tasks necessary for accurate energy monitoring and measurement, last cycle analysis, and FFT functions to compute the frequency spectra of the selected channel. The DSP core provides the following energy and power measurement features in registers: T7S嘉泰姆

● Active energy and power per phase and sum 

● Apparent energy and power per phase and sum 

● Reactive energy and power per phase and sum 

● Line voltage and current RMS 

● Neutral current RMS 

● Current vector sum, three-phase plus neutral 

● Line frequency 

● Fundamental frequency 

● Total harmonics of active power, reactive power, voltage, and currents 

● Security features

   产品特点 返回TOPT7S嘉泰姆

SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing Performance T7S嘉泰姆

• Watt-Hour Accuracy of 0.1% at Up to 5,000:1 Dynamic Range T7S嘉泰姆

• Sample Frequency Configurable; ΣΔ Sample Rate Configurable Up to 9.83MHz • Flexible Analog Input Configuration Support Current Transformers, Shunts, or Rogowski Coils T7S嘉泰姆

• 2.7V to 3.6V Operating Voltage T7S嘉泰姆

• Single 32.768kHz Crystal Provides All Operating ClocksT7S嘉泰姆

● ARM Core M3 Application Processor Enables Rapid System Development T7S嘉泰姆

• 1MB Flash T7S嘉泰姆

• 64KB Code RAM T7S嘉泰姆

• 64KB System RAM T7S嘉泰姆

• Six UART Channels T7S嘉泰姆

• Seven Timer Channels T7S嘉泰姆

• I2C Master/Slave Peripheral T7S嘉泰姆

• Three SPI Peripherals T7S嘉泰姆

• Smart Card Interface T7S嘉泰姆

• 64KB Program RAM T7S嘉泰姆

• 8KB Data RAM T7S嘉泰姆

• 16KB Page RAM T7S嘉泰姆

• Four Meter Pulse Outputs (Configurable) T7S嘉泰姆

• Two I2C Master/Slave Peripherals T7S嘉泰姆

• SPI Master/Slave Peripheral T7S嘉泰姆

• 50-Segment, 6-Common LCD Interface T7S嘉泰姆

● Security Features Reduce or Eliminate Common Security Threats T7S嘉泰姆

• Built-In Cryptographic Modules Ensure Communications Are Kept Secure T7S嘉泰姆

• Tamper Detect Inputs Ensure Attempts to Breach the Case Are Recorded and Reported T7S嘉泰姆

• Two Independent Cores Ensures Compliance with All Current and Future Security Requirements T7S嘉泰姆

● Analog Front-End T7S嘉泰姆

• Seven (CXEP2348) or Four (CXEP2347) 24-Bit ΣΔ A/D Converters T7S嘉泰姆

• Three (CXEP2348) or Two (CXEP2347) Voltage Inputs T7S嘉泰姆

• Four (CXEP2348) or Three (CXEP2347) Differential Current InputsT7S嘉泰姆

   应用范围 返回TOPT7S嘉泰姆

● Smart and Secure Single-Phase Energy Meters T7S嘉泰姆

● Smart and Secure Polyphase Energy Meters T7S嘉泰姆

● MID/WELMEC-Compliant MetersT7S嘉泰姆

   技术规格书（产品PDF) 返回TOP T7S嘉泰姆

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产品封装图 返回TOPT7S嘉泰姆

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电路原理图 返回TOPT7S嘉泰姆

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