A pulse data recorder system and method are provided. Mechanisms are provided for automatically recommending one or more logical schema transformations to improve database performance with respect to workload and data characteristics. The serial flash memory interface receives and processes the instruction frames, obtains the data contained in the specified addresses in the external serial flash memory regardless of whether the specified addresses are sequential or non-sequential, and provides the data for use by the microprocessor. A sensor receiver is arranged for receiving an electromagnetic radiation generated by a control transmitter comprised in a control unit for cooperation with the sensor.