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STM32WBA50KG Datasheet(PDF) 34 Page - STMicroelectronics |
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STM32WBA50KG Datasheet(HTML) 34 Page - STMicroelectronics |
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34 / 110 page  Functional overview STM32WBA50KG 34/110 DS14688 Rev 1 3.16 Cyclic redundancy check calculation unit (CRC) The CRC is used to get a CRC code using a configurable generator with polynomial value and size. Among other applications, the CRC-based techniques are used to verify data transmission or storage integrity. In the scope of the EN/IEC 60335-1 standard, they offer a mean to verify the flash memory integrity. The CRC calculation unit helps to compute a signature of the software during runtime, that can be ulteriorly compared with a reference signature generated at link-time and that can be stored at a given memory location. 3.17 Analog-to-digital converter (ADC4) The devices embed one successive approximation analog-to-digital converter. 3.17.1 Analog-to-digital converter (ADC4) The 12-bit ADC4 is a successive approximation analog-to-digital converter. It has up to 19 multiplexed channels allowing it to measure signals from 8 external and 3 internal sources (the other channels are reserved). ADC conversion of the various channels can be performed in Single, Continuous, Scan or Discontinuous mode. The result of the ADC is stored in a left-aligned or right-aligned 16-bit data register. Table 10. ADC features ADC modes/features(1) 1. X = supported. ADC4 Resolution 12 bits Maximum sampling speed for 12-bit resolution 2.5 Msps Hardware offset calibration X Hardware linearity calibration - Single-ended inputs X Differential inputs - Injected channel conversion - Oversampling Up to x256 Data register 16 bits DMA support X Autonomous mode X Offset compensation - Gain compensation - Number of analog watchdogs 3 Wake-up from Stop mode X |
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