PixArt Imaging Inc.
PAS109B
CMOS Image Sensor IC
1. Pin Assignment
Pin#
Name
Type
Description
Power Supply
28
27
3
2
19
18
1
VDDD
GNDD
VDDA
GNDA
VDDQ
GNDQ
GNDE
P
P
P
P
P
P
P
Digital VDD
Digital Ground
Analog VDD
Analog Ground
Digital VDD
Digital Ground
Ground
Data Interface
17
16
15
12
11
10
9
8
22
23
24
D0
D1
D2
D3
D4
D5
D6
D7
PXCK
O
O
O
O
O
O
O
O
O
O
O
Pixel data output, LSB
Pixel data output
Pixel data output
Pixel data output
Pixel data output
Pixel data output
Pixel data output
Pixel data output, MSB
Pixel clock output
HSYNC
VSYNC
Horizontal Synchronization clock
Vertical Synchronization clock
Analog pin
6
4
5
7
VRT
VCM
VRB
I/O
I/O
I/O
ADC reference voltage, top level
Common mode voltage reference
ADC reference voltage, bottom level
Reference voltage
VDDY1
BYPASS
I2C
25
SCL
SDA
I
I2C interface clock
I2C interface bi-direction data
26
I/O
Misc. Pins
30
CSB
I
Chip select bar, active low
20
14
13
21
29
31
32
SYSCLK
VLRST
NC
I
System clock input pin
Fixed bias input voltage
Not connected
BIAS
-
-
-
-
-
NC
NC
NC
NC
Not connected
Not connected
Not connected
Not connected
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PixArt Imaging Inc.
2
E-mail: fae_service@pixart.com.tw
V1.1, Mar. 2002
PIXART [ PIXART IMAGING INC. ]
