CXD3172AR
Signal Processor LSI for Single CCD Color Camera
Description
100 pin LQFP (Plastic)
The CXD3172AR is a signal processor LSI for Ye,
Cy, Mg and G single CCD color cameras. In addition
to basic camera signal processing functions, it
includes an AE/AWB detection circuit, a sync signal
generation circuit and an external sync circuit, etc.
This chip also has a built-in microcontroller to realize
basic camera functions such as AE/AWB without an
external microcomputer.
Features
Absolute Maximum Ratings
• Generates timing pulses to drive the single CCD
image sensor
Built-in H/V driver for CCD image sensor
Luminance/chroma signal processing
• Supports NTSC/PAL modes
• Supply voltage VDD
VSS – 0.5 to +4.6
VSS – 0.5 to +4.6
VL – 0.5 to VL + 26.0
VL – 0.5 to VL + 26.0
VSS – 0.5 to VDD + 0.5
VSS – 0.5 to VDD + 0.5
V
V
V
V
V
V
AVD
VH
VM
• Input voltage
VI
• Output voltage VO
• Operating Temperature
Topr
• Supports 510H/760H system CCD image sensor
• Built-in 10-bit A/D converter
–20 to +75
°C
°C
• Built-in EVR (3ch)
• Analog composite output
• Storage Temperature
Tstg
–55 to +150
— Built-in digital encoder
— 10-bit D/A converter output
• Digital output
Recommended Operating Conditions
• Supply voltage VDD 3.0 to 3.6
AVD1, 3, 4, 5, 6
V
— Conforms to ITU-REC656/ITU-REC601 format
• Supports external sync functions
— Sync separation circuit
— Phase comparator
• AE/AWB detector
• Block control functions with a built-in microcontroller
— AE/AWB/CLAMP/Blemish detection and
compensation
• Peripheral IC control function
— EVR/EEPROM communication control
• Serial communication function (2 mode selection)
— Microcomputer communication/start-stop
synchronous system communication (RS232C)
• Auto blemish detection and compensation function
• Mirror function
3.0 to 3.6
3.0 to 5.5
11.64 to 15.45
–7.5 to –4.5
0
V
V
V
V
V
AVD2
VH
VL
VM
• Operating Temperature
Topr
–20 to +75
°C
Applicable CCD Image Sensors
• 510H color CCDs
(Type 1/3, 1/4, NTSC/PAL)
• 760H color CCDs
(Type 1/3, 1/4, NTSC/PAL)
Supported Relates LSIs
AGC
EVR
CXA2096N
MB88347 (Fujitsu Limited.)
EEPROM AK6480A
(Asahi Kasei Microsystems Co.,Ltd.)
BR9080A (ROHM)
Applications
• Industrial CCD cameras
(Surveillance/FA/image input cameras)
• Multimedia CCD cameras
Applicable CCD image sensors are applicable
products as of preparing this data sheet.
They may be changed according to the version up
and production stop of CCD image sensor.
(Teleconferencing/personal computer cameras)
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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