产品概述 返回TOPYVW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TOPYVW嘉泰姆

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

 Exceeds IEC 62053/ANSIC 12.20 YVW嘉泰姆

 Voltage Reference < 10ppm/YVW嘉泰姆

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

 Six Sensor Inputs—VDD Referenced YVW嘉泰姆

 Auxiliary Analog Input for Neutral Current YVW嘉泰姆

 Low Jitter Wh/VARh Pulse Outputs YVW嘉泰姆

 Pulse Count For Pulse Outputs YVW嘉泰姆

 Four-Quadrant Metering YVW嘉泰姆

 Phase Sequencing YVW嘉泰姆

 Line Frequency Count for RTC YVW嘉泰姆

 Digital Temperature Compensation YVW嘉泰姆

 Sag Detection YVW嘉泰姆

 Independent 32-Bit Compute Engine YVW嘉泰姆

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

 Phase Compensation (7) YVW嘉泰姆

 Battery Backup for RAM and RTC YVW嘉泰姆

 22mW at 3.3V, 7.2W Backup YVW嘉泰姆

 Flash Memory Option with Security YVW嘉泰姆

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

 LCD Driver ( 168 Pixels) YVW嘉泰姆

 High-Speed SSI Serial Output YVW嘉泰姆

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

 Hardware Watchdog Timer YVW嘉泰姆

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

 64KB Flash, 7KB RAM YVW嘉泰姆

 Two UARTs for IR and AMR YVW嘉泰姆

 100-Pin LQFP Package
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   应用范围 返回TOPYVW嘉泰姆

Industrial, Commercial, and Residential MetersYVW嘉泰姆

   技术规格书（产品PDF) 返回TOP YVW嘉泰姆

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