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Applications > System Applications > Industrial and OA Equipment > Industrial >

Power meters


The power meter market is expanding in emerging economies. Power meters are increasingly computerized and support automatic meter reading by including communication functions that use wireless or power lines.
Our microcontrollers have an LCD function that can be used to build systems supporting ZigBee® wireless communication, making these MCUs ideal for this market.

Power meters


Functional block diagram of Power meters

Functional block diagram of Power meters

Recommended device

Microcontroller


Product Name/Alias Features
78K0/Lx3-M 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a metorlogy engine (single phase two wire / single phase three wire support), segment LCD, real-time clock, electronic oscillator; low power consumption, 64 to 100 pins
78K0/Lx3 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a segment LCD, reset circuit, and oscillator; low power consumption, 48 to 80 pins
78K0/Kx2 8-bit All Flash microcontroller: wealth of on-chip peripheral functions such as a reset circuit and on-chip oscillator; low power consumption, 30 to 80 pins


Photocoupler for communication interface


Product Name/Alias Features
PS25xx/PS27xx/PS28xx Transistor output



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