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參數(shù)資料
| 型號(hào)： | LR38269 |
| 廠商： | Sharp Corporation |
| 元件分類： | 數(shù)字信號(hào)處理 |
| 英文描述： | Digital Signal Processor for Color CCD Cameras |
| 中文描述： | 數(shù)字信號(hào)處理器的彩色CCD相機(jī) |
| 文件頁數(shù)： | 5/20頁 |
| 文件大?。?/td> | 93K |
| 代理商： | LR38269 |
LR38269
5
PIN NO.
SYMBOL
I/O
DESCRIPTION
POLARITY
32
MIR
IO4M
Video output mode setting.
L : Normal
In digital output mode, this pin is assigned to bit 2 of U/V signal.
Backlight compensation selection.
L : OFF
H : ON
In digital output mode, this pin is assigned to bit 3 of U/V signal.
A grounding pin of built-in DA converter.
Supply of +3.3 V power of built-in DA converter.
Bias voltage output of built-in DA converter, connected to GND through a
capacitor.
Bias current output of built-in DA converter, connected to GND through a resistor.
Bias voltage input of built-in DA converter, connected to +1.0 V power supply.
A grounding pin of built-in DA converter.
Analog video signal output.
Electronic exposure mode setting by EEMDS, EEMD1, EEMD2 and EEMD3.
See
"
Electronic Shutter Speed Setting
"
in AUTOMATIC CAMERA FUNCTION
CONTROL.
In digital output mode, 41 to 44 pins are assigned to bits 7 to 4 of U/V signals.
A grounding pin
Supply of +3.3 V power.
Clock output for digital signal output.
Output mode setting switches to CSYNC output.
ID pulse output for U/V output signal. In digital output, this pin outputs KEI-
PULSE.
H : Mirror
33
BLC
IO4M
34
35
GNDDA
V
DDDA
–
–
36
V
B
DAO
37
38
39
40
41
42
43
44
45
46
I
REF
V
REF
GNDDA
VIDEO
EEMDS
EEMD
1
EEMD
2
EEMD
3
GND
V
DD
DAO
DAI
–
DAO
IO4MU
IO4MU
IO4MU
IO4MU
–
–
47
DCK
1
OBF4M
48
DCK
2
OBF4M
NOTE
: KEI-PULSE
At power-on, it keeps low. Both 1/60 s (PAL 1/50 s) as shutter speed and AGC gain
more than data of address 78h sets it high.
Bit 3 of address 03h sets the function of this pin.
1 : Clock input of 13.5 MHz for digital output
0 : VRI input for analog output
Bit 0 (LSB) of digital luminance signal output.
Bit 1 of digital luminance signal output.
Bit 2 of digital luminance signal output.
Bit 3 of digital luminance signal output.
A grounding pin.
Supply of +3.3 V power.
Bit 4 of digital luminance signal output.
Bit 5 of digital luminance signal output.
Bit 6 of digital luminance signal output.
49
EXCKI
IC
50
51
52
53
54
55
56
57
58
Y
0
Y
1
Y
2
Y
3
GND
V
DD
Y
4
Y
5
Y
6
OBF4M
OBF4M
OBF4M
OBF4M
–
–
OBF4M
OBF4M
OBF4M
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