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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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VL53L1 датащи(PDF) 6 Page - STMicroelectronics |
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VL53L1 датащи(HTML) 6 Page - STMicroelectronics |
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6 / 35 page  Product overview VL53L1X 6/35 DocID031281 Rev 3 1.4 Application schematic Figure 3 shows the application schematic of the VL53L1X. Figure 3. VL53L1X schematic Note: Capacitors on external supply AVDD should be placed as close as possible to the AVDDVCSEL and AVSSVCSEL module pins. Note: External pull up resistor values can be found in I2C-bus specification. Pull ups are typically fitted only once per bus, near the host. For suggested values see Table 3. Note: XSHUT pin must always be driven to avoid leakage current. A pull up is needed if the host state is not known. XSHUT is needed to use HW standby mode (no I2C communication). Note: XSHUT and GPIO1 pull up recommended values are 10 kOhms Note: GPIO1 to be left unconnected if not used Table 3 show recommended values for the pull up and series resistors for an AVDD of 1.8 V to 2.8 V in I2C Fast mode (up to 400 kHz). Table 3. Suggested pull up and series resistors for I2C Fast mode I2C load capacitance (CL) (1) 1. For each bus line, CL is measured in the application PCB by the customer. Pull up resistor (Ohms) CL ≤ 90 pF 3.6 k 90 pF < CL ≤ 140 pF 2.4 k 140 pF < CL ≤ 270 pF 1.2 k 270 pF < CL ≤ 400 pF 0.8 k |
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