BD6086GU_11 ROHM [Rohm], BD6086GU_11 Datasheet - Page 26

• Manufacturer Part Number: BD6086GU_11
• Description: 13LEDs ALC* Flash and Illumination
• Manufacturer: ROHM [Rohm]

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BD6086GU
Address 0Bh < Measurement Mode Setting >
Address
Value
Initial
0Bh
Bit [7:6] : ADCYC(1:0)
Bit [5:4] : GAIN(1:0)
Bit3 :
Bit2 :
Bit1 :
Bit0 :
R/W
80h
W
Setup time is counted based on the switching frequency of DC/DC. The above value becomes
the value of the Typ (1MHz) time.
Refer to " ● Automatic brightness control operation explanation" for the detailed function of
each register of this page.
Refer to “4. AD conversion” of “ ● The explanation of Auto Lighting Control” for detail.
Refer to “3. I/V conversion” of “ ● The explanation of Auto Lighting Control” for detail.
STYPE
Refer to “3. I/V conversion” of “ ● The explanation of Auto Lighting Control” for detail.
VSB
Refer to “2. Sensor I/F” of “ ● The explanation of Auto Lighting Control” for detail.
MDCIR
Refer to “9. Slope process” of “ ● The explanation of Auto Lighting Control” for detail.
ALCEN
Refer to “1. Auto Lighting Control ON/OFF” of “ ● The explanation of Auto Lighting Control” for detail.
“00” :
“01” :
“10” :
“11” :
“00” :
“01” :
“10” :
“11” :
“0” :
“1” :
“0” :
“1” :
“0” :
“1” :
“0” :
“1” :
ADCYC(1) ADCYC(0)
SBIAS Output Voltage Control
Bit7
For Linear sensor
For Log sensor
SBIAS output voltage 3.0V
SBIAS output voltage 2.6V
LED current non-reset when mode change
LED current reset when mode change
ALC function OFF
ALC function ON
1
Ambient Light Sensor Type Select (Linear/Logarithm)
LED Current Reset Select by Mode Change
ALC Function Control (ON/OFF)
2.10 s
Fixed
0.52 s
1.05 s
1.57 s
Auto Change
High
Low
Sensor Gain Switching Function Control (This is effective only at STYPE=“0”.)
ADC Measurement Cycle
Bit6
(Initial value)
0
(Initial value)
GAIN(1)
(Initial value)
Bit5
0
26/80
(Initial value)
GAIN(0)
Bit4
0
STYPE
Bit3
0
(Initial value)
VSB
Bit2
0
MDCIR
Bit1
0
Technical Note
ALCEN
2011.04 - Rev.A
Bit0
0