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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ADPD103BCPZ 데이터시트(PDF) 41 Page - Analog Devices |
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ADPD103BCPZ 데이터시트(HTML) 41 Page - Analog Devices |
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41 / 53 page  ADPD103 Data Sheet Rev. B | Page 40 of 52 Address Data Bit Default Value Access Name Description 0x25 [15:11] 0xC R/W ILED3_FINE LEDX3 fine adjust. Current adjust multiplier for LED3. LEDX3 fine adjust = 0.71 + 0.024 × (Register 0x25, Bits[15:11]). See Register 0x22, Bits[3:0], for the full LED3 formula. [10:6] 0xC R/W ILED2_FINE LEDX2 fine adjust. Current adjust multiplier for LED2. LEDX2 fine adjust = 0.71 + 0.024 × (Register 0x25, Bits[10:6]). See Register 0x24, Bits[3:0], for the full LED2 formula. 5 0x0 R/W Reserved Write 0x0. [4:0] 0xC R/W ILED1_FINE LEDX1 fine adjust. Current adjust multiplier for LED1. LEDX1 fine adjust = 0.71 + 0.024 × (Register 0x25, Bits[4:0]). See Register 0x23, Bits[3:0], for the full LED1 formula. 0x30 [15:13] 0x0 R/W Reserved Write 0x0. [12:8] 0x3 R/W SLOTA_LED_WIDTH LED pulse width (in 1 μs step) for Time Slot A. [7:0] 0x20 R/W SLOTA_LED_OFFSET LED offset width (in 1 μs step) for Time Slot A. 0x31 [15:8] 0x08 R/W SLOTA_LED_NUMBER LED Time Slot A pulse count. nA: number of LED pulses in Time Slot A. This is typically LED1. Adjust in the application. A setting of six pulses (0x06) is typical. [7:0] 0x18 R/W SLOTA_LED_PERIOD LED Time Slot A pulse period (in 1 μs step). 0x34 [15:10] 0x00 R/W Reserved Write 0x0. 9 0x0 R/W SLOTB_LED_DIS Time Slot B LED disable. 1: disables the LED assigned to Time Slot B. Register 0x34 keeps the drivers active and prevents them from pulsing current to the LEDs. Disabling both LEDs via this register is often used to measure the dark level. Use Register 0x11 instead to enable or disable the actual time slot usage and not only the LED. 8 0x0 R/W SLOTA_LED_DIS Time SlotA LED disable. 1: disables the LED assigned to Time SlotA. Use Register 0x11 instead to enable or disable the actual time slot usage and not only the LED. [7:0] 0x00 R/W Reserved Write 0x00. 0x35 [15:13] 0x0 R/W Reserved Write 0x0. [12:8] 0x3 SLOTB_LED_WIDTH LED pulse width (in 1 μs step) for Time Slot B. [7:0] 0x20 SLOTB_LED_OFFSET LED offset width (in 1 μs step) for Time Slot B. 0x36 [15:8] 0x08 R/W SLOTB_LED_NUMBER LED Time Slot B pulse count. nB: number of LED pulses in Time Slot B. This is typically LED2. A setting of six pulses (0x06) is typical. [7:0] 0x18 R/W SLOTB_LED_PERIOD LED Time Slot B pulse period (in 1 μs step). 0x3C [15:14] 0x0 R/W RESERVED Write 0x0. [13:11] 0x6 R/W RESERVED Write 0x6. 10 0x0 R/W Reserved Write 0x0. 9 0x0 R/W V_CATHODE 0x0: 1.3 V (identical to anode voltage); recommended setting. 0x1: 1.8 V (reverse bias photodiode by 550 mV; this setting may add noise). [8:3] 0x0 R/W AFE_POWERDOWN AFE channels power-down select. 0x38: powers down AFE Channel 2, Channel 3, and Channel 4. 0x0: keeps all channels on. [2:0] 0x6 R/W Reserved Write 0x6. |
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