产品概述 返回TOPYRg嘉泰姆

The CXEP2329 and CXEP2329A are highly integrated SoCs with an MPU core, RTC, flash, and LCD driver, delta-sigma ADC provides up to six analog inputs. Digital temperature compensation, precision voltage reference, and 32-bit computation engine (CE) supports a wide range of single and polyphase metering applications with very few low-cost external components. A 32kHz crystal time base for the entire system and internal battery-backup support for RAM and RTC further reduce system cost.Maximum design flexibility is supported with multiple UARTs, I2C, a power-fail comparator, a 5V LCD charge pump, up to 22 DIO pins, and an in-system programmable flash. The device is a standard (0.5%) accuracy version for multifunction residential/commercial meter applications requiring multiple voltage/current inputs and complex LCD or DIO configurations.A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certification of meters that meet most demanding worldwide electricity metering standards.

   产品特点 返回TOPYRg嘉泰姆

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Wh Accuracy < 0.1% Over 2,000:1 Current Range YRg嘉泰姆

 Exceeds IEC 62053/ANSIC 12.20 YRg嘉泰姆

 Voltage Reference < 10ppm/YRg嘉泰姆

C (CXEP2329A) < 40ppm/°C (CXEP2329) YRg嘉泰姆

 Six Sensor Inputs—VDD Referenced YRg嘉泰姆

 Auxiliary Analog Input for Neutral Current YRg嘉泰姆

 Low Jitter Wh/VARh Pulse Outputs YRg嘉泰姆

 Pulse Count For Pulse Outputs YRg嘉泰姆

 Four-Quadrant Metering YRg嘉泰姆

 Phase Sequencing YRg嘉泰姆

 Line Frequency Count for RTC YRg嘉泰姆

 Digital Temperature Compensation YRg嘉泰姆

 Sag Detection YRg嘉泰姆

 Independent 32-Bit Compute Engine YRg嘉泰姆

 40-70Hz Line Frequency Range with Same Calibration YRg嘉泰姆

 Phase Compensation (7) YRg嘉泰姆

 Battery Backup for RAM and RTC YRg嘉泰姆

 22mW at 3.3V, 7.2W Backup YRg嘉泰姆

 Flash Memory Option with Security YRg嘉泰姆

 8-Bit MPU (80515)—One Clock Cycle per Instruction YRg嘉泰姆

 LCD Driver ( 168 Pixels) YRg嘉泰姆

 High-Speed SSI Serial Output YRg嘉泰姆

 RTC for Time-of-Use Functions YRg嘉泰姆

 Hardware Watchdog Timer YRg嘉泰姆

 Up to 22 General-Purpose I/O Pins YRg嘉泰姆

 64KB Flash, 7KB RAM YRg嘉泰姆

 Two UARTs for IR and AMR YRg嘉泰姆

 100-Pin LQFP PackageYRg嘉泰姆

   应用范围 返回TOPYRg嘉泰姆

Industrial, Commercial, and Residential MetersYRg嘉泰姆

   技术规格书（产品PDF) 返回TOP YRg嘉泰姆

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