Abstract

We have been developing a wearable device to observe the state of the human body and its circumstance. In previous studies, an ASIC (application specific integrated circuit) that provides heart rate from ECG (electrocardiogram) signal without the aid of a MPU(micro processing unit) processing was successfully developed. As a result, we drastically reduced the power consumption of the system to 2% compared with our previous system. In this study, a test model that integrates the ASIC and all other circuits including a low power MPU is constructed by using a FPGA to verify the operation of the complete system. The system operation of the test model mounted on the actual human body is confirmed on the PC based user interface software.

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