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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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TSL2521 датащи(PDF) 14 Page - OSRAM GmbH |
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TSL2521 датащи(HTML) 14 Page - OSRAM GmbH |
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14 / 81 page  Datasheet, Public Page 13 [v3-00] 2022-Dec-21 Document Feedback TSL2521 − Detailed Description Upon power-up, POR, the device initializes. During initialization (typically 500μs), the device will deterministically send NAK on I²C and cannot accept I²C transactions. All communication with the device must be delayed, and all outputs from the device must be ignored including interrupts. After initialization, the device enters the SLEEP state. In this operational state the internal oscillator and other circuitry are not active, resulting in ultra-low power consumption. If an I²C transaction occurs during this state, the I²C core wakes up temporarily to service the communication. Once the Power ON bit, PON, is enabled, the device enters the IDLE state in which the internal oscillator and attendant circuitry are active, but power consumption remains low. Whenever a function is enabled (AEN = 1)the device exits the IDLE state. If all functions are disabled (AEN = 0), the device returns to the IDLE state. As depicted in Figure 15 and Figure 16, the ambient light sensing and flicker sampling functions operate in parallel when enabled. Each function is individually configured (e.g. gain, ADC integration time, wait time, persistence, thresholds, etc.). If Sleep after Interrupt is enabled (SAI = 1 in register 0xA1), the state machine will enter SLEEP when an interrupt occurs. Entering SLEEP does not automatically change any of the register settings (e.g. PON bit is still high, but the normal operational state is over-ridden by SLEEP state). SLEEP state is terminated when the SAI_ACTIVE bit is cleared (the status bit is in register 0x9F and the clear status bit is in register 0xB1). Detailed Description |
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