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STM32WB09XE Datasheet(PDF) 52 Page - STMicroelectronics |
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STM32WB09XE Datasheet(HTML) 52 Page - STMicroelectronics |
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52 / 73 page ![]() Table 38. RSTN pin characteristics Symbol Parameter Test conditions Min. Typ. Max. Unit. VIL(RSTN) RSTN input low level voltage - - - 0.3 x VDD V VIH(RSTN) RSTN input high level voltage - 0.7 x VDD - - Vhys(RSTN) RSTN Schmitt trigger voltage hysteresis - - 200 - mV RPU Weak pull-up equivalent resistor VIN=GND 25 40 55 kΩ Figure 13. Recommended RSTN pin protection 1. The external reset circuit protects the device against parasitic resets. 2. The user must ensure that the level on the RSTN pin can go below the VIL(RSTN) max. level specified in the table, otherwise the reset is not taken into account by the device. 3. The external capacitor on RSTN must be placed as close as possible to the device. 6.3.18 ADC characteristics Table 39. ADC characteristics (HSI must be set to PLL mode) Symbol Parameter Test conditions Min. Typ. Max. Units Ch_diff_num Number of channels for differential mode VFQFPN32, WLCSP36 - - 4 - Ch_se_num Number of channels for single ended mode VFQFPN32, WLCSP36 - - 8 - IBATADCBIAS ADC biasing consumption at battery Biasing blocks turned on - 145 - µA IBATADCACTIVE ADC active consumption at battery ADC activated in differential mode - 185 - µA VDDA Analog supply voltage - 1.2 - 1.32 V RAIN Input impedance In DC - 250 - kΩ Rin Internal access resistance VBOOST is enabled for VBAT < 2.7 V - - 550 Ω Cin Input sampling capacitor - - 4 - pF Ts Sampling period Default configuration - 1 - µs Tsw Sampling time Default configuration - 125 - ns DR Output data rate - - 200 - k samples/s STM32WB09xE Electrical characteristics DS14210 - Rev 6 page 52/73 |
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