Using STM32L1 analog comparators in application cases Application note
■ This document describes six application cases of the two analog comparators embedded in the ultra low power STM32L1 product line. The application cases are:
▲ Analog voltage monitoring
▲ Analog watchdog during Stop mode
▲ Pulse width measurement
▲ Pulse width modulation (PWM) signal control
▲ Capacitance measurement
▲ Brightness control using a light dependent resistor (LDR)
■ The six application cases demonstrate the usefulness of analog comparators and show how they are integrated with other peripherals, for example, the digital-to-analog-converter (DAC) and timers.
■ To ensure a quick start, four application cases presented in this document are implemented in C language and are available in Project\STM32L1xx_StdPeriph_Examples\COMP within the STM32L1xx_StdPeriph_Lib package.
■ Please note that this document is not intended to replace the routing interface (RI) and comparator sections in the product reference manual RM0038 (for STM32L1xx Ultra Low Power devices).
■ The peripheral power consumption should be consulted in the device datasheets.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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07-Feb-2012 |
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Rev 3 |
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17758 |
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316 KB |
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