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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SPC574S60 датащи(PDF) 36 Page - STMicroelectronics |
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SPC574S60 датащи(HTML) 36 Page - STMicroelectronics |
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36 / 77 page  Electrical characteristics SPC574Sx 36/77 DS10601 Rev 6 Figure 6. Power management infrastructure 3.11.2 Voltage regulator electrical characteristics The device implements an internal voltage regulator to generate the low voltage core supply VDD_LV from the high voltage ballast supply VDD_HV_IO. The regulator itself is supplied by VDD_HV_IO. The following supplies are involved: • HV—High voltage external power supply for the voltage regulator module. This must be provided externally through the VDD_HV_OSC power pin. • BV—High voltage external power supply for the internal ballast module. This must be provided externally through the VDD_HV_IO power pins. Voltage values should be aligned with VDD_HV_OSC. • LV—Low voltage internal power supply for the core, PLL0 and flash digital logic. This is generated by the internal voltage regulator but provided outside to connect stability capacitor. It is split into three further domains to ensure noise isolation between critical LV modules within the device: – LV_COR—Low voltage supply for the core. It is also used to provide supply for PLL1 through double bonding. – LV_FLA—Low voltage supply for the code flash module. It is supplied with dedicated ballast and shorted to LV_COR through double bonding. – LV_PLL—Low voltage supply for PLL1. It is shorted to LV_COR through double bonding. The concept scheme of the power connections is shown below in Figure 7. PCU PMC_dig PMC_ana MC_CGM MC_ME |
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