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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F412RG датащи(PDF) 117 Page - STMicroelectronics |
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STM32F412RG датащи(HTML) 117 Page - STMicroelectronics |
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117 / 193 page  DocID028087 Rev 4 117/193 STM32F412xE/G Electrical characteristics 161 Note: It is recommended to add a Schottky diode (pin to ground) to analog pins which may potentially inject negative currents. 6.3.16 I/O port characteristics General input/output characteristics Unless otherwise specified, the parameters given in Table 56 are derived from tests performed under the conditions summarized in Table 15. All I/Os are CMOS and TTL compliant. Table 55. I/O current injection susceptibility(1) 1. NA = not applicable . Symbol Description Functional susceptibility Unit Negative injection Positive injection IINJ Injected current on BOOT0 pin –0 NA mA Injected current on NRST pin –0 NA Injected current on PB3, PB4, PB5, PB6, PB7, PB8, PB9, PC13, PC14, PC15, PH1, PDR_ON, PC0, PC1,PC2, PC3, PD1, PD5, PD6, PD7, PE0, PE2, PE3, PE4, PE5, PE6 –0 NA Injected current on any other FT pin –5 NA Injected current on any other pins –5 +5 Table 56. I/O static characteristics Symbol Parameter Conditions Min Typ Max Unit VIL FT, TC and NRST I/O input low level voltage 1.7 V≤VDD≤3.6 V - - 0.3VDD(1) V BOOT0 I/O input low level voltage 1.75 V≤VDD ≤3.6 V, -40 °C≤TA ≤105 °C -- 0.1VDD+0.1(2) 1.7 V≤VDD ≤3.6 V, 0 °C≤TA ≤105 °C -- VIH FT, TC and NRST I/O input high level voltage(5) 1.7 V≤VDD≤3.6 V 0.7VDD(1) -- V BOOT0 I/O input high level voltage 1.75 V≤VDD ≤3.6 V, -40 °C≤TA ≤105 °C 0.17VDD+0.7(2) -- 1.7 V≤VDD ≤3.6 V, 0 °C≤TA ≤105 °C |
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