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STR750FXX 데이터시트(PDF) 27 Page - STMicroelectronics |
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STR750FXX 데이터시트(HTML) 27 Page - STMicroelectronics |
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27 / 84 page ![]() STR750Fxx STR751Fxx STR752Fxx STR755Fxx Electrical parameters 27/84 Power supply scheme 2: Dual external 1.8V and 3.3V supply Figure 9. Power supply scheme 2 3.3V MAIN VOLTAGE GP I/Os OUT ADC ADCIN IN V18_BKP +/-0.3V VIO=3.3V VDD_ADC VSS_ADC PLL 3.3V 3.3V VSS_PLL VSS_IO VDD_IO V18REG VDD_PLL VSS_BKP REGULATOR VREG_DIS OFF 1.8V VSS18 I/O LOGIC OFF KERNEL BACKUP (CORE & DIGITAL & (OSC32K, RTC MEMORIES) CIRCUITRY WAKEUP LOGIC, BACKUP REGISTERS) VDD_IO POWER SWITCH VCORE VBACKUP V18 LOW POWER VOLTAGE REGULATOR NOTE : THE EXTERNAL 3.3 V POWER SUPPLY MUST ALWAYS BE KEPT ON VLPVREG VMVREG |
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