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STM32F091 数据表(PDF) 79 Page - STMicroelectronics |
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STM32F091 数据表(HTML) 79 Page - STMicroelectronics |
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79 / 127 page  DocID026284 Rev 3 79/127 STM32F091xB STM32F091xC Electrical characteristics 99 6.3.14 I/O port characteristics General input/output characteristics Unless otherwise specified, the parameters given in Table 53 are derived from tests performed under the conditions summarized in Table 24: General operating conditions. All I/Os are designed as CMOS- and TTL-compliant. Table 52. I/O current injection susceptibility Symbol Description Functional susceptibility Unit Negative injection Positive injection IINJ Injected current on BOOT0 -0 NA mA Injected current on PF1 pin (FTf pin) -0 NA Injected current on PC0 pin (TTA pin) -0 +5 Injected current on PA4, PA5 pins with induced leakage current on adjacent pins less than -20 μA -5 NA Injected current on other FT and FTf pins -5 NA Injected current on all other TC, TTa and RST pins -5 +5 Table 53. I/O static characteristics Symbol Parameter Conditions Min Typ Max Unit VIL Low level input voltage TC and TTa I/O - - 0.3 VDDIOx+0.07(1) V FT and FTf I/O - - 0.475 VDDIOx–0.2(1) All I/Os - - 0.3 VDDIOx VIH High level input voltage TC and TTa I/O 0.445 VDDIOx+0.398(1) -- V FT and FTf I/O 0.5 VDDIOx+0.2(1) -- All I/Os 0.7 VDDIOx -- Vhys Schmitt trigger hysteresis TC and TTa I/O - 200(1) - mV FT and FTf I/O - 100(1) - Ilkg Input leakage current(2) TC, FT and FTf I/O TTa in digital mode VSS ≤ VIN ≤ VDDIOx -- ± 0.1 µA TTa in digital mode VDDIOx ≤ VIN ≤ VDDA -- 1 TTa in analog mode VSS ≤ VIN ≤ VDDA -- ± 0.2 FT and FTf I/O VDDIOx ≤ VIN ≤ 5 V -- 10 |
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