electricity meter

This solution includes power measurement chip, LCD display, real-time clock, data storage, prepaid card, infrared meter reading, automatic remote meter reading through RS-485, PLC power line carrier communication, 470 MHz wireless communication, strong anti-interference ability and optimal Reliability and other advantages. The Nano110 series provides high-performance, low-cost, ultra-low power consumption 32-bit Arm® Cortex®-M0 core, running speed up to 42 MHz, built-in 32-bit hardware multiplier, low operating voltage 1.8V ~ 3.6V, ultra-low power operation mode (<200 uA/MHz), power-down mode (real-time clock + LCD display on, memory data retention < 10 uA), (real-time clock, memory data retention < 2.5 uA), deep power-down mode (memory data retention < 10 uA) 1uA), Flash memory up to 128 KB and RAM memory up to 16 KB, highly integrated RTC, LCD driver controller, 12-bit ADC conversion rate up to 2 Msps, built-in 12 MHz RC oscillator, and ISO7816-3 smart card interface to reduce system BOM cost, rich peripheral interfaces I²Cx2, SPIx3, UARTx5, I/O accepts 5V input voltage, anti-theft copy lock code function, 96-bit UID chip unique code, 128-bit UCID customer unique code, strong anti-interference ability (8kV ESD, EFT 4kV).