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Oximeter
The application of the oximeter which based on SD93F112 chip can be fully used of its rich built-in hardware resources. It can save most of the peripheral components of the oximeter and reduce the cost compared to other general SoC.
Program overview
Oximeter is a kind of instrument which using non-invasive infrared measurement technology to monitor human blood oxygen content. It usually measures by detecting the fingers and ears. The main test indicators are pulse rate, blood oxygen saturation and perfusion index.
Program advantages

  • Rich built-in hardware resources, can save most peripheral components and reduce costs

  • Low power mode, using ordinary 3V battery, can also work for a long time

Rich built-in hardware resources, can save most peripheral components and reduce costs

Low power mode, using ordinary 3V battery, can also work for a long time

Features

  • 32 bits MCU, 24 bits high precision ADC

  • Built-in sensor excitation output

  • With LCD driver module, support a variety of driver modes

  • Built-in sine wave generator with selectable output frequency. It supports an 8-electrode BIA fat measurement

  • Two operational amplifiers: OPA and OPB

  • Built-in UART、I2C、SPI、PWM/PDM、TIMER、BUZZER、INT、RTC

  • Built-in silicon temperature sensor

  • Operating voltage range: 2.4~5.5V

Application diagram
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