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STM32F103RBH6XXX Datasheet(PDF) 57 Page - STMicroelectronics |
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STM32F103RBH6XXX Datasheet(HTML) 57 Page - STMicroelectronics |
57 / 92 page STM32F103x8, STM32F103xB Electrical characteristics Doc ID 13587 Rev 11 57/92 5.3.12 I/O port characteristics General input/output characteristics Unless otherwise specified, the parameters given in Table 34 are derived from tests performed under the conditions summarized in Table 9. All I/Os are CMOS and TTL compliant. All I/Os are CMOS and TTL compliant (no software configuration required), their characteristics consider the most strict CMOS-technology or TTL parameters: ● For VIH: –if VDD is in the [2.00 V - 3.08 V] range: CMOS characteristics but TTL included –if VDD is in the [3.08 V - 3.60 V] range: TTL characteristics but CMOS included ● For VIL: –if VDD is in the [2.00 V - 2.28 V] range: TTL characteristics but CMOS included –if VDD is in the [2.28 V - 3.60 V] range: CMOS characteristics but TTL included Table 34. I/O static characteristics Symbol Parameter Conditions Min Typ Max Unit VIL Input low level voltage TTL ports –0.5 0.8 V VIH Standard IO input high level voltage 2VDD+0.5 IO FT(1) input high level voltage 1. FT = Five-volt tolerant. 25.5V VIL Input low level voltage CMOS ports –0.5 0.35 VDD V VIH Input high level voltage 0.65 VDD VDD+0.5 Vhys Standard IO Schmitt trigger voltage hysteresis(2) 2. Hysteresis voltage between Schmitt trigger switching levels. Based on characterization, not tested in production. 200 mV IO FT Schmitt trigger voltage hysteresis(2) 5% VDD (3) 3. With a minimum of 100 mV. mV Ilkg Input leakage current (4) 4. Leakage could be higher than max. if negative current is injected on adjacent pins. VSS VIN VDD Standard I/Os 1 µA VIN= 5 V I/O FT 3 RPU Weak pull-up equivalent resistor(5) 5. Pull-up and pull-down resistors are designed with a true resistance in series with a switchable PMOS/NMOS. This MOS/NMOS contribution to the series resistance is minimum (~10% order) . VIN VSS 30 40 50 k RPD Weak pull-down equivalent resistor(5) VIN VDD 30 40 50 k CIO I/O pin capacitance 5 pF |
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