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STM32U5A5QJ Datasheet(PDF) 274 Page - STMicroelectronics |
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STM32U5A5QJ Datasheet(HTML) 274 Page - STMicroelectronics |
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274 / 382 page  Electrical characteristics STM32U5Axxx 274/382 DS13543 Rev 1 5.3.16 Extended interrupt and event controller input (EXTI) characteristics The pulse on the interrupt input must have a minimal length in order to guarantee that it is detected by the event controller. 5.3.17 Analog switches booster 5.3.18 14-bit analog-to-digital converter (ADC12) characteristics Unless otherwise specified, the parameters given in the table below are values derived from tests performed under ambient temperature, fHCLK frequency and VDDA supply voltage conditions summarized in Table 33. Note: It is recommended to perform a calibration after each power-up. Table 94. EXTI input characteristics(1) Symbol Parameter Conditions Min Typ Max Unit PLEC Pulse length to event controller - 20 - - ns 1. Specified by design. Not tested in production. Table 95. Analog switches booster characteristics(1) Symbol Parameter Min Typ Max Unit VDD Supply voltage 1.6 1.8 3.6 V tSU(BOOST) Booster startup time - - 50 µs IDD(BOOST) Booster consumption - - 125 µA 1. Specified by design. Not tested in production. Table 96. 14-bit ADC12 characteristics(1)(2) Symbol Parameter Conditions Min Typ Max Unit VDDA Analog power supply for ADC ON -1.62 - 3.6 V VREF+ Positive reference voltage VDDA ≥ 2 V 2 - VDDA VDDA < 2 V VDDA VREF- Negative reference voltage -VSSA fADC ADC clock frequency 1.62 V ≤ VDDA ≤ 3.6 V 5(3) -55 MHz ADC clock ratio - 45 - 55 % fs Sampling rate Resolution = 14 bits 0.23 - 2.5 Msps Resolution = 12 bits 0.25 - 2.75 Resolution = 10 bits 0.28 - 3.05 Resolution = 8 bits 0.31 - 3.44 tTRIG External trigger period Resolution = 14 bits 26 - - 1/fADC VAIN(4) Conversion voltage range -0 - VREF+ V |
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