LU850425 Datasheet, PDF (8/15 Pages) Sharp Electrionic Components – 8-bit Microcomputer for DSP Camera Systems

LU850425
Preset Function Control
(by high/low condition at inputs and by DC level of
A/D inputs)
Below functions are available to be selected under
the condition of a low level of pin 6 (ADJIN).
WHITE BALANCE
(1) White Balance Mode Selection by Pins 95, 96
and 97 (Digital Input)
White balance mode is selected by the combination
of high/low level at three pins below.
WBSEL1
95 PIN
L
H
L
H
L
H
L
H
WBSEL2
96 PIN
L
L
H
H
L
L
H
H
WBSEL3
97 PIN
WHITE BALANCE MODE
A/D input (pin 48) control is available. See "(2) White
L
Balance Mode Selection by Pin 48 (Analog Input)".
L A/D input (pin 53 and 54) control is available.
L Set the condition just before selecting this mode.
L Auto white balance mode.
H Preset mode 1
H Preset mode 2
H Preset mode 3
H Preset mode 4
NOTE
1
1
1
1
(2) White Balance Mode Selection by Pin 48
(Analog Input)
White balance mode can be selected by DC input
level at pin 48 if all the above 95, 96, and 97 pins
are connected to low.
VOLTAGE LEVEL (PIN 48)
WHITE BALANCE MODE
NOTE
0 to 0.47 V
Auto white balance.
0.48 to 0.94 V
Set the condition just before feed this DC level.
0.95 to 1.41 V
Analog input (pins 53 and 54) control is available.
1.42 to 1.88 V
Preset mode 1
1
1.89 to 2.35 V
Preset mode 2
1
2.36 to 2.82 V
Preset mode 3
1
2.83 to 3.3 V
Preset mode 4
1
NOTE :
1. All of above preset modes are optional and each mode should be adjusted by a PC or an adjustment tool.
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