參數資料
型號: GL646
廠商: Electronic Theatre Controls, Inc.
英文描述: PLUG HEADER 2.5A
中文描述: 三功能于一身的掃描儀控制器USB和1394
文件頁數: 32/43頁
文件大?。?/td> 280K
代理商: GL646
Revision 1.3
Mar.22 2001
-31-
GL646USB
a,b,c,g : are black pixels
d,e,f,h,i : are white pixels
7.35. Reg : 30H,31H (Write)
Defalut : 00H,00H
STRPIXEL[15:0] : to set the begin pixel position (unit : pixel count).
STRPIXEL=(TGW+2*TGSHLD)+Begin pixels number.
7.36. Reg : 32H,33H (Write)
Defalut : 00H,00H
ENDPIXEL[15:0] : to set the end pixel position (unit : pixel count).
ENDPIXEL=(TGW+2*TGSHLD)+End pixels number.
7.37. Reg : 34H (Write)
Default : 00H
DUMMY[7:0] : to set the CCD dummy & optical black pixels position (unit : pixel count).
Note : Reg30,31,32,33 and 34 setting rule.
TGSHLD(Reg1D) RGW(Reg17) TGSHLD(Reg1D)
CCD TG
CCD clock
CCD pixel no: N-1 N
For example begin pixel is 65 ,end pixel is 100 and CCD dummy pixel is 64,
Then STRPIXEL=(TGW+2*TGSHLD)+65.
ENDPIXEL=(TGW+2*TGSHLD)+100.
DUMMY =(TGW+2*TGSHLD)+64.
7.38. Reg : 35H,36H,37H (Write)
Defalut : 00H,00H,00H
MAXWD[18:0] : to set maximum word size per line for ASIC estimation.
If usable buffer size < MAXWD, then buffer is full. The scanner execute forward and Backward moving.
7.39. Reg : 38H,39H (Write)
Defalut : 15H,18H
LPERIOD[15:0] : to set Line period(or exposure time) for CCD.
Unit : pixel count
0 1 2 3 4
BWHI
BWLOW
bandwidth
a
b
c
d
e
f
g
h
i
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