16-bit microcontroller PL4000

communicationADCprogrammable

•Enhanced on-chip 8501 Micro controller, more built-in resources,8 times speed of standard8501 on same main frequency •Large capability built-in program/data memory, FLASH program memory E2PROM supports serial ISP programming and code protection •3 nos.16 bit Second-order Σ-Δ ADC Current Channel inputs with built-in PGA(4 programmable gains—4,8,16,32) •Single phase energy measurement ，comply with GB/T 17251,17882, provide high accuracy active/reactive energy measurement, extra provide VRMS,IRMS,FREQ etc, measurement parameters •Embedded real-time clock/ calender, supports digital frequency calibrated second/minute/hour/date/month/year, automatic leap year/month •Embedded temperature frequency conveners which can compensate the precision of energy measurement and Real Time Clock linearly according to different segments •Dual UART, support IR/RS485 •Dual nos ISO7816X2H smart cart communication serial circuit •Embedded Power line Carrier Communication Unit ,Physics Layer perfectly compatible EIA709.2 •LCD display control/driver circuit •Perfect power supply monitoring and replacement circuit，electromagnetism compatibility •Single chip smart electric meter solutions(SoC) •Embedded more microcontroller, including both to communication protocol and to application miccontroller that open to user •Embedded high quality application controller and enough perfect built-in resource on-chip •Application controller has 1KB SRAM and 32KB Flash ROM, support system programming (ISP) •Dual carrier wave free choice ability ,it can use one carrier wave while another is interfered severely •LQFP64/100 packaging，providing industrial temperature standard which is -40℃ to +85℃