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Design E-meter using MSP430Fe427!

Hello!

I have designed an electronic Watt-Hour Meter with MSP430FE427 for Central Viet Nam market.

I have read the datasheet MSP430Fe42xA and slaa203c.pdf .

Please help me the hardware with schematic for E-meter ( Voltage: 220V - Frequency: 50Hz).

I want to use  switching power with low voltage dectected module.

I will appreciate if you tell me how to design this schematic.

Bui Anh Kieu

CPC IT&T (Central Power Company IT&T)

Da Nang City, Viet Nam