DL200 Datasheet, PDF (508/670 Pages) Motorola, Inc – Sensor

AN1571
Freescale Semiconductor, Inc.
SELECTION OF MICROCONTROLLER
CONCLUSION
Although the microcontroller used in this project is
MC68HC05B16, a smaller ROM version microcontroller can
also be used. The table below shows the requirement of
microcontroller for this blood pressure meter design in this
project.
Table 1. Selection of microcontroller
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{On–chip ROM space 2 kilobytes}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{On–chip RAM space 150 bytes}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{2–channel A/D converter (min.)}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{16–bit free running counter timer}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{LCD driver}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{On–chip EEPROM space 32 bytes}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Power saving Stop and Wait modes}
This circuit design concept may be used to evaluate
Motorola pressure sensors used in the digital blood pressure
meter. This basic circuit may be easily modified to provide
suitable output signal level. The software may also be easily
modified to provide better analysis of the SBP and DBP of a
person.
REFERENCES
Lucas, Bill (1991). “An Evaluation System for Direct Interface
of the MPX5100 Pressure Sensor with a Microprocessor,”
Motorola Application Note AN1305.
3–362
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