gl845 Genesys Logic, gl845 Datasheet - Page 84
![no-image](/images/no-image-200.jpg)
gl845
Manufacturer Part Number
gl845
Description
High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
Manufacturer
Genesys Logic
Datasheet
1.GL845.pdf
(97 pages)
- Current page: 84 of 97
- Download datasheet (2Mb)
B. CIS Type
6 Image Sensor Timing
Image sensor timings can be programmed by S/W.
A. For CCD: Support 600, 1200, 2400, 3200, 3600 ,4800dpi ~ 9600dpi CCD such as NEC, TOSHIBA,
B. For CIS: Support 600, 1200, 2400, 3200, 3600,4800dpi ~ 9600dp CIS such as TOSHIBA, Canon ……etc
7 Dummy Line
GL845 supports programmable dummy lines to resolve (overcome) start/stop problem.
Designers can insert dummy lines to reduce scanner start/stop events (buffer full).
A. Line base of dummy lines:
©2000-2007 Genesys Logic Inc. - All rights reserved.
The range of dummy lines is 0~30 lines.
B. Adjustable dummy line:
T h e r a n g e i s f r o m t h e m i n i m u m s h i f t t i m e o f C C D / C I S u p t o 2 0 9 6 K p i x e l t i m e ,
Mode 0: single exposure time for R, G and B channels.
Mode 1, 2: different exposure times for R, G and B channels .
a. Color scan:
b. Gray scan:
c. True gray scan:
Sony ……etc.
LED R/G/B
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
LED R
LED G
LED B
LED R
LED G
LED B
TG
TG
TG
Page 84
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