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71M6545

Silergy
Part Number 71M6545
Manufacturer Silergy
Description Metrology Processors
Published May 24, 2020
Detailed Description GENERAL DESCRIPTION The 71M6545/71M6545H metrology processors are based on 4th-generation metering architecture supporti...
Datasheet PDF File 71M6545 PDF File

71M6545
71M6545

Overview
GENERAL DESCRIPTION The 71M6545/71M6545H metrology processors are based on 4th-generation metering architecture supporting the 71M6xxx series of isolated current sensing products that offer drastic reduction in component count, immunity to magnetic tampering, and unparalleled reliability.
The 71M6545/71M6545H integrate our Single Converter Technology® with a 22-bit delta-sigma ADC, a customizable 32-bit computation engine (CE) for core metrology functions, as well as a user-programmable 8051compatible application processor (MPU) core with up to 64KB flash and up to 5KB RAM.
An external host processor can access metrology functions directly through the SPI™ interface, or alternatively through the embedded MPU core in applications requiring metrology data capture, storage, and preprocessing within the metrology subsystem.
In addition, the devices integrate an RTC, DIO, and UART.
A complete array of ICE and development tools, programming libraries, and reference designs enable rapid development and certification of meters that meet all ANSI and IEC electricity metering standards worldwide.
Shunt Resistor Sensors C NEUTRAL B A LOAD Resistor Dividers 71M6xx3 71M6xx3 71M6xx3 HOST POWER SUPPLY This system is referenced to Neutral NEUTRAL Pulse Transformers C B A SPI_CKI SPI_DI SPI_DO SPI_CSZ XFER_BUSY SAG MUX and ADC IADC0 IADC1 } IN* VADC10 (VC) IADC6 IADC7 } IC VADC9 (VB) IADC4 IADC5 } IB VADC8(VA) IADC2 IADC3 } IA V3P3A V3P3SYS GNDA GNDD PWR MODE CONTROL 71M6545/H PB REGULATOR TEMPERATURE SENSOR VBAT_RTC BATTERY MONITOR VREF SERIAL PORT RX TX FLASH MEMORY RAM MPU RTC TIMERS OSCILLATOR/ PLL XIN XOUT DIO, PULSES, LEDs DIO ICE T SPI INTERFACE M U COMPUTE ENGINE X V3P3D WPULSE XPULSE RPULSE YPULSE 10/7/2010 RTC BATTERY 32 kHz 24 DIO I2C or µWire EEPROM PULSES 3.
3 VDC *IN = Optional Neutral Current 71M6545/71M6545H Metrology Processors FEATURES  0.
1% Typical Accuracy Over 2000:1 Current Range  Exceeds IEC 62053/ANSI C12.
20 Standards ...


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