PAS6352 datasheet, PDF - EEWORLD Datasheet

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PAS6352: DescriptionCMOS VGA IMAGE SENSOR; File Size305KB，16 Pages; ManufacturerPixArt Imaging Inc.; Websitehttp://www.pixart.com.tw

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PAS6352 Overview

CMOS VGA IMAGE SENSOR

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PAS6352 Specification

PAS6352 CMOS VGA IMAGE SENSOR

General Description

The PAS6352 is a highly integrated CMOS active-pixel image sensor that has output of 640 x 480 pixels. It

embedded the new FinePixel™ sensor technology to perform the excellent image quality. PAS6352 outputs 10-bit RGB

raw or YUV/YCrCb 4:2:2 or RGB565/555/444 data through a parallel data bus. It is available in CSP package.

The PAS6352 can be programmed to set the exposure time for different luminance condition via I2C

serial control

bus. By programming the internal register set, it performs on-chip frame rate adjustment and programmable gain control.

Features

Active Pixels: 648 x 488 pixels

Resolution: 640 x 480 pixels, 1/4” Lens

Bayer-RGB color filter array

Output format :

RAW, 10-bit

YUV/YCrCb 4:2:2

RGB565/555/444

On-chip 10-bit pipelined A/D converter

On-chip manual analog gain control

Continuous variable frame time & exposure

time

I2C

Interface

Support 1.7V~3.3V I/O

Power dissipation: operating typ. TBD@ 2.8V

(VGA YUV 60fps parallel-output, without

loading), low power-down dissipation typ./max.

TBD @ 2.8V

Automatic Background Compensation

ISP function:

AEC & AGC

AWB

Gamma

Color matrix

Sharpness

De-noise

Color saturation

Defect compensation

Lens shading compensation

Auto de-flicker

Decimation-AVG and Scaler

DRC (Dynamic Range Compensation)

WOI & Sub-sampling

Dummy line & pixel timing

Output Hsync at Vsync

PLL

Module size : TBD

Key Specification

Active Pixel

Resolution

Analog

Power

I/O

Core

[ Array diagonal ]

Pixel Size

Lens Chief Ray Angle

Max. Frame rate

Max. input clock

Max. Pixel clock

Sensitivity

Color filter

Exposure Time

648(H) x 488(V)

640 (H) x 480 (V)

2.8V

1.7V ~ 3.3V

1.8V

1/4” Lens

5.6um * 5.6um

TBD

VGA 60fps

48 MHz

48 MHz, VGA YUV 60fps

TBD

RGB Bayer Pattern

TBD

Scan Mode

S/N Ratio

Dynamic range

Package

Progressive

TBD

CSP

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc.

E-mail:

fae_service@pixart.com.tw

V0.6, 2012/11/13

PixArt Imaging Inc.

PAS6352

CMOS Image Sensor IC

Data Transfer Format

Master transmits data to salve ( write cycle )

S : Start.

A : Acknowledge by salve.

P : Stop.

RW : The LSB of 1

byte to decide whether current cycle is read or write cycle. RW = 1

–

Read cycle, RW = 0

–

Write cycle.

SUBADDRESS : The address values of PAS6352 internal control registers. ( Please refer to

PAS6352 register description )

During write cycle, the master generates start condition and then places the 1

byte data that are

combined slave address ( 7 bits ) with a read / write control bit to SDA line. After slave ( PAS6352 )

issues acknowledgment, the master places 2

byte ( Sub Address ) data on SDA line. Again follow the

PAS6352 acknowledgment, the master places the 8 bits data on SDA line and transmit to PAS6352

control register ( address was assigned by 2

byte ). After PAS6352 issues acknowledgment, the master

can generate a stop condition to end of this write cycle. In the condition of multi-byte write, the PAS6352

sub-address is automatically increment after each DATA byte transferred. The data and A cycles is repeat

until last byte write. Every control registers value inside PAS6352 can be programming via this way.

Slave transmits data to master ( read cycle )

The sub-address was taken from previous write cycle.

The sub-address is automatically increment after each byte read.

Am : Acknowledge by master.

Note there is no acknowledgment from master after last byte read.

During read cycle, the master generates start condition and then place the 1

byte data that are combined

slave address ( 7 bits ) with a read / write control bit to SDA line. After issue acknowledgment, 8 bits

DATA was also placed on SDA line by PAS6352. The 8 bits data was read from PAS6352 internal control

PAS6352 place the next 8 bits data ( address is increment automatically ) on SDA line and then transmit

to master serially. The DATA and Am cycles is repeat until the last byte read. After last byte read, Am is

no longer generated by master but instead by keep SDA line high. The slave ( PAS6352 ) must releases

SDA line to master to generate STOP condition.

All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.

PixArt Imaging Inc.

E-mail:

fae_service@pixart.com.tw

V0.6, 2012/11/13

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