Microprocessor
The microprocessor controls the generation of timing signals required for the operation of the SCANTEAM 3700 device. Additionally it monitors the digital output of the device, configures the operating parameters sent through serial commands (as required), and decodes the scanned bar code data.
Timing Sequence
Figure A.2 illustrates the timing sequence for the SCANTEAM 3700.
Bar Code Symbol
Being Scanned
Timing
Shift Out Analog Data 
Illumination
Analog Signal from CCD Array
White
Black
Digital Data Out
White
Black
Decoded Data (Decoded Output Only)
Figure A.2 SCANTEAM 3700 Timing Sequence
CCD Operation and Bar Code Scanning |