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P12347-01 Datasheet(PDF) 9 Page - Hamamatsu Corporation |
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P12347-01 Datasheet(HTML) 9 Page - Hamamatsu Corporation |
9 / 17 page 9 Color/proximity sensor P12347-01CT Flowcharts After power-on, the built-in power-on reset circuit operates to set all registers to their initial conditions (2.). With the initial settings, the product is in sleep mode, waiting for commands. To set measurement conditions, enter commands via the I2C bus. This product starts measuring when ADC reset changes from 1 to 0. Therefore, to write to registers, ADC reset must be set to 1 (3.). After setting measurement conditions (4.), release ADC reset to start measuring (5.). There are two operation modes: fixed time mode and manual setting mode. In manual setting mode, the prod- uct automatically enters sleep mode after completing a single mea- surement. In fixed time mode, the product repeats measurement and data storage. During this repetition, if ADC reset or Color sleep is set to 1 with an I2C command, the product stops its operation. With the initial settings, the proximity sensor is in sleep mode. Therefore, first disable the sleep mode (3.). Next, set the drive cur- rent, pulse count, pulse cycle, and the like. Then, release the reset to start measuring (4. 5.). Proximity sensor continues to measure until it is set to sleep mode. To end measurement, enable sleep mode. Color sensor Proximity sensor 1. Power-on 2. Power-on reset, initialize 3. Prox. reset = ”1”, prox. sleep release 4. Set measurement conditions Red LED drive current, prox. period, pulse count 5. Prox. reset = “0” Proximity detected? No 6. INT=0 Yes 6. INT=1 Prox. sleep = “1”? Yes No Stop (sleep mode) 1. Power-on 2. Power-on reset, initialize 3. ADC reset = “1”, color sleep release 4. Set measurement conditions Gain, integration mode, integration time setting, integration timing register setting 5. ADC reset = “0” Integration mode? Fixed time mode Manual setting mode 6. Measure 7. Save data to register 8. Stop (sleep mode) Yes No Color sleep= “1” ? 7. Save data to register 6. Measure |
Número de pieza similar - P12347-01_15 |
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Descripción similar - P12347-01_15 |
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