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CHAPTER 5
This chapter describes the video interface, which transfers the scanning data from the
scanner to the host computer.
5.1
Video Interface Signals
Host
computer
(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
VIDEO INTERFACE
5.1
Video Interface Signals
5.2
Driver/Receiver
5.3
Data Transfer
5.4
Timing
VCL
HGATE
VGATE
V0 to V7 (8 lines)
FAIL
Figure 5.1 Video interface signal lines
50FH5037E>02
Scanner
5 $ 1
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