CHAPTER 5 VIDEO INTERFACE
5.1Video Interface Signals
5.2Driver/Receiver
5.3Data Transfer
5.4Timing
This chapter describes the video interface, which transfers the scanning data from the scanner to the host computer.
5.1Video Interface Signals
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| VCL |
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| HGATE |
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Host |
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| VGATE | Scanner | |||||
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Figure 5.1 Video interface signal lines
(1)VCL
This signal is a sampling clock for the video data V0 to V7.
(2)HGATE
This signal indicates that the main>scanning video data is valid.
(3)VGATE
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