12. Heart rate counter
Counts the time between R-wave and next R-wave of ECG waveform and read its
counted value with CPU to measure the heart rate value.
13. Time-stamp controller
Controls the signal showing the time which synchronized with US Image,
and makes Time-stamp data in accordance with the timing of ECG data creation.
14. USB data generator
Makes the serial data for USB transmission of the Time-stamp data, ECG data,
SYNC 1/2 and R-trig signal.
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L1E-EA0229