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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STV8216 датащи(PDF) 30 Page - STMicroelectronics |
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STV8216 датащи(HTML) 30 Page - STMicroelectronics |
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30 / 97 page  Power Supplies STV82x6 30/97 7.2 Standby Mode The STV82x6 provides a Thru mode configuration that bypasses IC functions via a SCART I/O pin (Full Analog Path only). In this case, only minimum power is required (Standby mode). In Standby mode, the digital and analog power supplies are switched off, except for pins VDDA and VDDH which are used to maintain the SCART path, the last configuration programmed for analog matrixing (register ANA_SCART) and the power configuration (register ANA_CTRL). When switching back to normal Full Power mode, all I²C registers are reset except for those used in Standby mode to maintain the original configuration. In Standby mode, the I²C bus does not operate. However, the bus can still be used by other ICs since the I²C I/O pins (SDA and SCL) of the STV82x6 are forced into a high-impedance configuration. Figure 18: 5 V / 8 V or 5 V / 5 V Application Digital Core Clock Generator Analog REG VDDH STV82x6 5V DPS Standby VDD1 VDD2 VDDP 8 or 5 V APS Core 3.3 V Regulator Analog 3.3 V Regulator Digital |
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