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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) 13 Page - STMicroelectronics |
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VL53L1 датащи(HTML) 13 Page - STMicroelectronics |
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13 / 39 page  DocID029631 Rev 12 13/39 VL53L1 Functional description 39 2.9 Ranging sequence Figure 8. Ranging sequence 1. ttiming_budget is a parameter set by the user, using a dedicated driver function. 2.10 Handshake management For all ranging modes described above, every time a ranging measurement is available, an interrupt is generated. The GPIO1 pin of the VL53L1 is then driven high. Once the host reads the result the interrupt is cleared and the ranging sequence can repeat. If the interrupt is not cleared, the ranging operation inside the VL53L1 is on hold. It allows a good synchronization between the VL53L1 and the host, avoids loosing results in case of delay on the I2C bus, and is mandatory for multizone scanning operations. It is strongly recommended to use the hardware interrupt pin to manage this handshake. But if not possible a software polling mode remains available. For more details please refer to VL53L1 user manual (UM2133) |
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