PI6049A Data Sheet
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Functional Description
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Input / Output Terminals
The PI6049A image sensor has 13 input and output (I/O) pads. Their symbols and function descriptions are listed
in Table 1.
Symbol
I/O
Description
Global Start Pulse:
GBST
I
Globally initializes the start inputs of all sensors and starts the scanning process of the
first sensor. (See discussion of the sensors unique features for further details).
Start Pulse:
SI
I
Input to start a line scan. (See discussion of the sensors unique features for further
details).
Start Input Control:
SIC
I
I
Input to control the Start Pulse to the first sensor. (See discussion of the sensors unique
features for further details).
Clock:
CLK
Clock Input for the Shift Register.
Analog Power Supply.
AVDD
DVDD
AVSS
DVSS
I
I
I
I
Digital Power Supply.
Analog Signal Ground.
Digital Signal Ground.
Video Output Voltage:
VOUT
O
Output Video Signal from the Amplifier.
Differential Reference Output.
Differential Video Output.
Reference Voltage: Reference input voltage for the Amplifier Output. Sets the Output’s
reset (dark) level
OR
OS
O
O
VR
I
End of Scan Pulse:
SO
O
Output from the Shift Register at the end of a scan.
Table 1. Input and Output Terminals
Page 4 of 13, Revised 2-13-04
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