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PAS109BB Schematic ( PDF Datasheet ) - PixArt

Teilenummer PAS109BB
Beschreibung QQVGA MONO CMOS IMAGE SENSOR
Hersteller PixArt
Logo PixArt Logo 




Gesamt 15 Seiten
PAS109BB Datasheet, Funktion
PAS109B
PAS109BC QQVGA COLOR CMOS IMAGE SENSOR
PAS109BB QQVGA MONO CMOS IMAGE SENSOR
General Description
The PAS109B is a color and monochrome digital CMOS image sensor with resolution of 164(H) x 124(V). The
PAS109B outputs 8, 4 , 2 or 1-bit digital raw data or 8-bit formatted data per pixel.
The PAS109B performs automatic gain control, automatic exposure control and automatic de-flicker. The
PAS109B can also be programmed via I2CTM serial control bus. By programming the internal register settings, it
performs on-chip frame rate adjustment, exposure control, offset correction DAC, programmable gain control as
well as output formatting. By proprietary technology, FPN, smear and blooming are drastically reduced.
The PAS109 is available in color or monochrome in 32-pin LCC or 32-pin chip-with-lens package.
Features
‰ 164x124 pixels, 1/11” Lens
‰ Automatic/Manual exposure-gain control
‰ On chip 10-bit ADC
‰ On chip PGA
‰ On chip 9-bit DAC
‰ User selectable output data formats:
8-bit formatted data
8/4/2/1-bit raw data
‰ Output tri-state through /CSB pin or register
‰ AE report
‰ Horizontal mirror output
‰ Flash light application allowable
‰ Automatic de-flicker
‰ External oscillator
‰ I2C Interface
‰ Wide operating supply range: 2.4 – 3.6V
‰ Low power dissipation: 16mW @ 60fps
‰ Low power down dissipation: 200µW
Key Specification
Power Supply
Array Elements
Optical Format
Pixel Size
System Clock
Max. Pixel Rate
FPN
Sensitivity
PGA Gain
Frame Rate
Scan Mode
S/N ratio
Wide operating supply range
2.4V ~ 3.6V
164 x 124
1/11 ”
7.25µm x 7.25µm
Up to 48MHz
1.5MHz
< 0.2% of saturation
2.0V/Lux-sec
16X (24dB)
60fps
Progressive
>40dB
Package
32-pin LCC or 32-pin LCC
chip with lens
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
1
PixArt Imaging Inc.
V1.1, Mar. 2002






PAS109BB Datasheet, Funktion
PixArt Imaging Inc.
PAS109B
CMOS Image Sensor IC
5. I2C Bus
PAS109B supports I2C-bus transfer protocol and is acting as slave device. The 7 bits unique slave address is
1000000 and supports receiving / transmitting speed up to 400kHz.
5.1 I2C bus overview
ƒOnly two wires SDA (serial data) and SCL (serial clock) carry information between the devices connected
to the I2C bus. Normally both SDA and SCL lines are open collector structure and pull high by external
pull-up resistors.
ƒOnly the master can initiates a transfer (start), generates clock signals, and terminates a transfer (stop).
ƒStart and stop condition: A high to low transition of the SDA line while SCL is high defines a start
condition. A low to high transition of the SDA line while SCL is high defines a stop condition. Please
refer to Fig 5.1.
ƒValid data: The data on the SDA line must be stable during the high period of the SCL clock. Within each
byte, MSB is always transferred first. Read/write control bit is the LSB of the first byte. Please refer to
Fig 5.2.
ƒBoth the master and slave can transmit and receive data from the bus.
ƒAcknowledge: The receiving device should pull down the SDA line during high period of the SCL clock
line when a complete byte was transferred by transmitter. In the case of a master received data from a
slave, the master does not generate an acknowledgment on the last byte to indicate the end of a master
read cycle.
SDA
S
Start
Condition
P
Stop
Condition
Fig 5.1 Start and Stop Conditions
SCL
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
6
PixArt Imaging Inc.
V1.1, Mar. 2002

6 Page









PAS109BB pdf, datenblatt
PixArt Imaging Inc.
PAS109B
7.1.2. Package Outline
CMOS Image Sensor IC
All rights strictly reserved any portion in this paper shall not be reproduced, copied or transformed to any other forms without permission.
12
PixArt Imaging Inc.
V1.1, Mar. 2002

12 Page





SeitenGesamt 15 Seiten
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