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Suggest MSP430 core controller for smart metering with OTA

Other Parts Discussed in Thread: MSP430F427, MSP430F47127, MSP-EM-DESIGN-CENTER, MSP430F6736A, EVM430-F6736

Dear All,

I need to design a smart meter. Since I have good experience in designing meter using MSP430F427 & MSP430F47127, so i want to use controller with same engine and with advanced features for smart metering.

Below are some required features :

1. Accuracy Class : 1 or even better

2. Single Phase metering

3. Over the Air Firmware Update

Please help and suggest some good micro.

Thanks in advance.

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