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STR910FAM32 数据表(PDF) 51 Page - STMicroelectronics |
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STR910FAM32 数据表(HTML) 51 Page - STMicroelectronics |
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51 / 99 page  STR91xFAx32 STR91xFAx42 STR91xFAx44 Pin description 51/99 - 122 A3 AVDD V ADC analog voltage source, 2.7V - 3.6V N/A - 4 C3 AVSS G ADC analog ground N/A 5- - AVSS _VSSQ G Common ground point for digital I/O & analog ADC N/A - 123 A2 AVREF V ADC reference voltage input N/A 76 - - AVREF _AVDD V Combined ADC ref voltage and ADC analog voltage source, 2.7V - 3.6V N/A 24 39 M3 VBATT V Standby voltage input for RTC and SRAM backup N/A 69 E1 VDDQ V V Source for I/O and USB. 2.7V to 3.6V N/A 15 23 J1 VDDQ V 36 57 - VDDQ V 46 73 K12 VDDQ V 54 86 B5 VDDQ V 28 43 L5 VDDQ V 63 102 H7 VDDQ V 74 120 D9 VDDQ V -- F9 VDDQ V - 8 L2 VSSQ G Digital Ground for !/O and USB N/A 16 24 K4 VSSQ G 35 56 C5 VSSQ G - - D4 VSSQ G 45 72 G5 VSSQ G 55 87 J7 VSSQ G 25 40 A8 VSSQ G 66 105 F8 VSSQ G 75 121 L12 VSSQ G Table 9. Device pin description (continued) Pkg Pin Name Default Pin Function Default Input Function Alternate functions Alternate Input 1 Alternate Output 1 Alternate Output 2 Alternate Output 3 |
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