Scanner Interface
Appendix A-4
A.2 Video Interface
This chapter describes the video interface, which transfers the scanning data from the scanner to the host
computer.
A.2.1
Video Interface Signals
(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
This signal indicates that the subscanning video data is valid.
(4)
V0 to V7
These signal lines carry the scanning video data. Logical “0” indicates a black dot.
(5)
FAIL
This signal indicates that a device error (MPU ROM/RAM error) has occurred in the scanner.
Figure A.2.1 Video interface signal lines
V0 to V7 (8 lines)
Host
computer
FAIL
VCL
Scanner
HGATE
VGATE
Содержание M3097DE
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Страница 43: ...Image Functions 3 22 The conceptual image processing flow in the IPC mode is shown below...
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Страница 70: ...5 3 Cleaning 5 15 Two rollers are included Figure 5 5 Pick roller...
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Страница 197: ...Scanner Interface Appendix A 124 5 Dimensions of the board For M3093EX DE and M3097DE...