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STM8L151X6 датащи(PDF) 104 Page - STMicroelectronics |
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STM8L151X6 датащи(HTML) 104 Page - STMicroelectronics |
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104 / 147 page ![]() Electrical parameters STM8L151x6/8 STM8L152x6/8 104/147 DS6948 Rev 11 Figure 37. Typical NRST pull-up current Ipu vs. VDD The reset network shown in Figure 38 protects the device against parasitic resets. The user must ensure that the level on the NRST pin can go below the VIL max. level specified in Table 42. Otherwise the reset is not taken into account internally. For power consumption- sensitive applications, the capacity of the external reset capacitor can be reduced to limit the charge/discharge current. If the NRST signal is used to reset the external circuitry, the user must pay attention to the charge/discharge time of the external capacitor to meet the reset timing conditions of the external devices. The minimum recommended capacity is 10 nF. Figure 38. Recommended NRST pin configuration 1.8 1.95 2.1 2.25 2.4 2.55 2.7 2.85 3 3.15 3.3 3.45 3.6 120 100 80 60 40 20 0 VDD [V] -40°C 25°C 85°C ai18225b 0.1 F EXTERNAL RESET CIRCUIT STM8L Filter RPU VDD INTERNAL RESET RSTIN MS32619V1 |
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