The cost-effective Kinetis M series MCUs combine a sophisticated analog front end (AFE), hardware tamper detection and low-power operation to enable the design of secure, high-accuracy 1-, 2- and 3-phase electricity metering solutions. Freescale also provides proven 1-, 2-, and 3-phase hardware reference designs with complex metrology firmware satisfying 0.1% measurement accuracy and all ESD requirements.
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