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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SFH7776 Fiches technique(PDF) 4 Page - OSRAM GmbH |
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SFH7776 Fiches technique(HTML) 4 Page - OSRAM GmbH |
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4 / 34 page  2013-07-09 4 DRAFT - For reference only. Subject to change without notice. Version 0.1 SFH 7776 Short Evaluation program I 2C interface • I/O-pins are open drain type and logic high level is set with external pull-up resistor • SFH 7776 operates in slave mode. Slave address is 0111001 (0x39h) • Designed for the I 2C Fast mode (400 kb/s) • Interrupt pin (INT): open-drain output (like SDA and SCL) Block diagram Adress Command Action 0x42 0x3F set LED pulse current to 200mA and ALS gain to x128 0x41 0x06 activate ALS & PS with a measurement repetition time of 100ms Wait 100ms 0x44 read data read LSB of proximity measurement data 0x45 read data read MSB of proximity measurement data 0x46 read data read LSB of ambient light measurement of VIS diode 0x47 read data read MSB of ambient light measurement of VIS diode 0x48 read data read LSB of ambient light measurement of IR diode 0x49 read data read MSB of ambient light measurement of IR diode 8 Analog / amplifier digital + data - register proximity ambient light I2C LED driver 4 5 SDA SCL 7 6 INT GND V LED CATH 5 Analog / amplifier digital + data - register proximity ALS VIS I2C LED driver 7 2 SDA SCL 3 1 1 4 8 INT GND V DD V DD LED_A LED_C ALS IR 8 6 LDR 8 Analog / amplifier digital + data - register proximity ambient light I2C LED driver 4 5 SDA SCL 7 6 INT GND V LED CATH 5 Analog / amplifier digital + data - register proximity ALS VIS I2C LED driver 7 2 SDA SCL 3 1 1 4 8 INT GND V DD V DD LED_A LED_C ALS IR 8 6 LDR |
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