PI6050D Data Sheet

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Functional Description

Input / Output Terminals

The PI6050D image sensor has 10 input and output (I/O) pads. Their symbols and function descriptions are

listed in Table 1.

Signal

I/O

Description

SI

I

Start Pulse:

Input to start a line scan. (See discussion of the sensors unique features for further

details).

GBST

I

Global Start Pulse:

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).

CLK

I

Clock:

Clock input for the shift register.

SIC

I

Start Input Control:

Input to control the Start Pulse to the first sensor. (See discussion of the sensors

unique features for further details).

SC

I

Switch Control:

Selects the 600 or 1200 dpi mode. (See discussion of the sensors unique features for

further details).

VDD

I

Power Supply

VOUT

O

Video Output Voltage:

Output video signal from the amplifier.

VSS

I

Ground

VREF

I/O

Reference Voltage:

Reference input voltage for the amplifier output. Sets the output’s reset (dark) level.

SO

O

End of Scan Pulse:

Output from the shift register at the end of a scan.

Table 1. Input and Output Terminals

Page 4 of 15, PI6050D_rev A, Revised 1-31-05