參數(shù)資料
型號: GL841
英文描述: GL841 USB 2.0 2-in-1 Scanner Controller
中文描述: GL841的USB 2.0 2合1掃描儀控制器
文件頁數(shù): 14/50頁
文件大?。?/td> 1688K
代理商: GL841
GL841 USB 2.0 2-in-1 Scanner Controller
6
6.1
Application Description
System Clock
Internal PLL.
A. PLL : 12MHz input , 24,30,40 MHz output to internal system .
6.2
Pixel Clock
A. Normal mode
Scan mode 0:
a. 12 system clock/pixel
(three-line-in or one-line-in)
b. Chunky color(three line in),fine-gray or fine-line-art scan
for CCD.
c. Planar color scan (one line in) or Monochrome scan
for CIS
B. Fast mode
Scan mode 4 (one line in) :
a. 6 system clock/pixel.
b. Planar color scan (one line in) or Monochrome scan.
c. Fast-gray or fast-line-art scan for CCD.
d. Planar color(one line in),gray, true gray or line-art scan for
CIS.
C. Scan mode 5 (three line in):
a. 15 system clock/pixel
b. Chunky color(three line in),fine-gray or fine-line-art scan
for CCD.
c. Planar color scan (one line in) or Monochrome scan
for CIS
D. Scan mode 6 (three line in):
a. 18 system clock/pixel
b. Chunky color(three line in),fine-gray or fine-line-art scan
for CCD.
c. Planar color scan (one line in) or Monochrome scan
for CIS
Note : Chunky Color is R1G1B1,R2G2B2,R3G3B3,………(three-line-in or pixel rate)
Planar Color is R1,R2,R3,…..;G1,G2,G3,…….;B1,B2,B3,……..(one-line-in or line rate)
CCD : Chunky color or planar color.
CIS : Planar color
6.3
Scan Speed
A. System clock = 30MHz :
a. Normal Mode : Chunky color, fine gray or fine line art scan.
(scan mode 0) 12x33.333ns/pixel = 0.4us/pixel
Version 1.7
14
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