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Panasonic Electronic Components Datasheet

MN673274 Datasheet

Signal-Processing LSI for Multimedia Camera

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MN673274 pdf
Video Camera LSI
MN673274
Signal-Processing IC for Multipurpose Cameras
s Overview
The MN673274 is designed for surveillance and PC input cameras. In addition to the basic functions of luminance
signal and chrominance signal processing, it also integrates microcontroller functions (ALC, AWB, and AGC) and
SSG, CG, and I2C-bus circuits on a single chip.
s Features
Input: Analog signal (A/D converter input)
Output: Digital output
YUV signal: 8 bits
Analog outputs
Y signal
C signal
Composite video output
RGB outputs
Operating supply voltage: 3.3 V ± 0.3 V
Operating frequency: 9.5 MHz to 28.7 MHz
Main functions
• 10-bit A/D converter
• 10-bit D/A converter
• 2-channel 8-bit D/A converter
• Support for analog AGC (NN2038, NN2039)
• CG and SSG functions
• 510H and 768H (Supports NTSC and PAL )
• Supports progressive scan readout CCDs with complementary color filters for VGA
• Supports black-and-white CCD signal processing
• CCD white defect/black defect correction circuit
• Maximum digital AGC gain: 24 dB
• Left/right reversing function
• Variable gamma correction (γ = 0.3 to 1)
• ZV port conforming mode, BT656 conforming mode
• External synchronization support: HD/VD, VD2, Sync., LL mode
• On-chip I2C-bus circuit
• ELC/AGC (Also supports external AGC)
• Two-mode white balance (manual/ATW) with ATW lock function
• Automatic OB correction function
s Applications
Surveillance cameras, PC cameras
1


Panasonic Electronic Components Datasheet

MN673274 Datasheet

Signal-Processing LSI for Multimedia Camera

No Preview Available !

MN673274 pdf
MN673274
s Block Diagram
Video Camera LSI
YUVOE
VIN
Horizontal drive
pulse output
Vertical drive
Sync system
pulse output
FCKO
2FCKO
10-bit
A/D
AGC
Y
Y signal
processing
C
C signal
processing
Y/C
MPX
ENC
10-bit
D/A
CG
SSG
FCK
2FCK
2
White
balance
gain
Carrier signal
YLPF
Digital AGC
control
ALC
Sub control
ATN
RGB
CNV
BLK
CSYNC
8-bit
D/A
Read and write of registers
for each circuit block
Data
WE RE
I2C-bus control
PWM
PWM
PWM
PWM
YUVOE
YUV0 to 7
Composite
Y/C video
signal output
(2-ch)
Y output, G
C output, B
SCL
SDA
PWM0
PWM1
PWM2
PWM3
2


Part Number MN673274
Description Signal-Processing LSI for Multimedia Camera
Maker Panasonic
Total Page 14 Pages
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