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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F303C6 датащи(PDF) 50 Page - STMicroelectronics |
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STM32F303C6 датащи(HTML) 50 Page - STMicroelectronics |
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50 / 115 page  Electrical characteristics STM32F303x6/x8 50/115 DocID025083 Rev 5 6.3.2 Operating conditions at power-up / power-down The parameters given in Table 21 are derived from tests performed under the ambient temperature condition summarized in Table 20. 6.3.3 Characteristics of the embedded reset and power-control block The parameters given in Table 22 are derived from tests performed under ambient temperature and VDD supply voltage conditions summarized in Table 20. Table 21. Operating conditions at power-up / power-down Symbol Parameter Conditions Min. Max. Unit tVDD VDD rise time rate - 0 ∞ µs/V VDD fall time rate 20 ∞ tVDDA VDDA rise time rate - 0 ∞ VDDA fall time rate 20 ∞ Table 22. Embedded reset and power control block characteristics Symbol Parameter Conditions Min. Typ. Max. Unit VPOR/PDR(1) 1. The PDR detector monitors VDD and also VDDA (if kept enabled in the option bytes). The POR detector monitors only VDD. Power on/power down reset threshold Falling edge 1.8(2) 2. The product behavior is guaranteed by design down to the minimum VPOR/PDR value. 1.88 1.96 V Rising edge 1.84 1.92 2.0 V VPDRhyst(1) PDR hysteresis - - 40 - mV tRSTTEMPO(3) 3. Guaranteed by design, not tested in production. POR reset temporization - 1.5 2.5 4.5 ms |
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