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                                      71M6542GT - Single-phase 80515 SoCs

                                      Features

                                       

                                      • Up to four sensor inputs with optional isolated sensor interfaces
                                        • 80515 MPU with up to 128KB Flash and 5KB RAM
                                        • RTC, LCD Driver, SPI, I2C with up to 51 GPIO
                                        • 64-pin and 100-pin LQFP options

                                      Description

                                      The 71M654xT are 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with improved temperature compensation, flash memory, and LCD driver. Proven Single Converter Technology® with a 22-bit delta-sigma ADC, multiple analog inputs, digital temperature compensation, precision voltage reference, and a 32-bit computation engine (CE) supports a wide range of metering applications with very few external components.

                                       
                                      The 71M6541T/42T devices support optional interfaces to the 71M6k series of isolated sensors, which offer BOM cost reduction, immunity to magnetic tamper, and enhanced reliability. Other features include an SPI interface, advanced power management, ultra-low-power operation in active and battery modes, 3/5KB shared RAM and 32/64/128KB of flash memory that can be programmed in the field with code and/or data during meter operation and the ability to drive up to six LCD segments per SEG driver pin. High processing and sampling rates combined with differential inputs offer a powerful metering platform for residential meters. The 71M654xT family operates over the industrial temperature range and comes in 64-pin (71M6541T) and 100-pin (71M6542T) LQFP packages.
                                       
                                      A complete array of code development tools, demonstration code, and reference designs enable rapid development and certification of meters that meet all ANSI and IEC electricity metering standards worldwide.  Contact [email protected] to request additional information, check availability, or obtain copies of data sheets for earlier non-T versions of the 71M654x.
                                       
                                       

                                      Applications

                                      Residential, Commercial, and Industrial Energy Meters

                                      High-End Residential Meters, AMR/AMI, and TOU

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