Interfacing the AT73C500 kWh-Meter IC with the AT90S4414 Microcontroller , This Application Note describes how Atmels energy metering device, the AT73C500 , can be interfaced with a microcontroller, such as Atmess AT90S4414.
Power Metering ICs: Definition of Quadrants , This Application Note clarifies some concepts related to the definition of sign and direction of active4 power and reactive power, as being measured by the AT73C500 energy meter chip.
Guidelines for kWh-Meter Design , The Purpose of this Application Note is to provide guidelines for design of high-precesion, solid state kWh-meters using Atmels At73C500 with AT73C501 or AT73C502 Chipset.