ASX340AT datasheet(1/75 Pages) ONSEMI

No. de pieza	ASX340AT

Descripción Electrónicos	Color CMOS NTSC/PAL Digital Image

PDF	75 Pages

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Fabricante Electrónico	ONSEMI [ON Semiconductor]

Página de inicio	http://www.onsemi.com

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ASX340AT: 1/4-Inch Color CMOS NTSC/PAL Digital Image Sensor

Features

‡

ASX340AT/D Rev. H, 8/15 EN

1

©Semiconductor Components Industries, LLC 2015,

1/4-Inch Color CMOS NTSC/PAL Digital Image

SOC with Overlay Processor

ASX340AT Datasheet, Rev. H

For the latest datasheet, please visit www.onsemi.com

Features

• Low-power CMOS image sensor with integrated

image flow processor (IFP) and video encoder

• 1/4-inch optical format, VGA resolution (640H x

480V)

• 2x upscaling zoom and pan control

• ±40 additional columns and ± 36 additional rows to

compensate for lens alignment tolerances

• Option to use single 2.8 V power supply with off-chip

bypass transistor

• Overlay generator for dynamic bitmap overlay

• Integrated video encoder for NTSC/PAL with overlay

capability and 10-bit I-DAC

• Integrated microcontroller for flexibility

• On-chip image flow processor performs

sophisticated processing, such as color recovery and

correction, sharpening, gamma, lens shading

correction, on-the-fly defect correction, auto white

balancing, and auto exposure

• Auto black-level calibration

• 10-bit, on-chip analog-to-digital converter (ADC)

• Internal master clock generated by on-chip phase-

locked loop (PLL)

• Two-wire serial programming interface

• Interface to low-cost EEPROM and Flash through SPI

bus

• High-level host command interface

• Stand-alone operation support

• Comprehensive tool support for overlay generation

and lens correction setup

• Development system with DevWare

Applications

• Automotive rear view camera and side mirror

• Blind spot and surround view

Key parameters are continued on next page.

See “New Features” on page 3.

See “Ordering Information” on page 3

Table 1:

Key Parameters

Parameter

Typical Value

Pixel size

and type

5.6 m x 5.6 m active pinned-

photodiode with high-sensitivity

mode for low-light conditions

Sensor clear pixels

728H x 560V (includes VGA active

pixels, demosaic and lens alignment

pixels)

NTSC output

720H x 487V

PAL output

720H x 576V

Optical area

(clear pixels)

4.077 mm x 3.136 mm

Optical format

¼-inch

Frame rate

50/60 fields/sec

Sensor scan mode

Progressive scan

Color filter array

RGB standard Bayer

Chief ray angle (CRA)

0°

Shutter type

Electronic rolling shutter (ERS)

Automatic Functions

Exposure, white balance, black level

offset correction, flicker detection and

avoidance, color saturation control,

on the-fly defect correction, aperture

correction

Programmable

Controls

Exposure, white balance, horizontal

and vertical blanking, color,

sharpness, gamma correction, lens

shading correction, horizontal and

vertical image flip, zoom, windowing,

sampling rates, GPIO control

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