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): 36/50頁
文件大?。?/td> 1688K
代理商: GL841
GL841 USB 2.0 2-in-1 Scanner Controller
a,b,c,g : are black pixels
d,e,f,h,i : are white pixels
39. Reg : 30H,31H (Read/Write)
Default : 00H,00H
STRPIXEL[15:0] : to set the begin pixel position (unit : pixel count).
STRPIXEL=(TGW+2*TGSHLD)+Begin pixels number.
Note: can not be programmed to logic zero.
40. Reg : 32H,33H (Read/Write)
Default : 00H,00H
ENDPIXEL[15:0] : to set the end pixel position (unit : pixel count).
ENDPIXEL=(TGW+2*TGSHLD)+End pixels number.
Note: can not be programmed to logic zero.
41. 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.
Note: can not be programmed to logic zero.
42. Reg : 35H,36H,37H (Read/Write)
Default : 00H,00H,00H
MAXWD[19:0] : 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.
43. Reg : 38H,39H (Read/Write)
Default : 15H,18H
LPERIOD[15:0] : to set Line period(or exposure time) for CCD.
Unit : pixel count
Note: can not be programmed to logic zero.
44. Reg : 3AH,3BH (Read/Write)
Default : 00H,00H
FEWRDATA[8:0] : This port is used to write data to control register of front-end.
45. Reg : 3CH (Read/Write)
Default : 00H
0 1 2 3 4
Version 1.7
36
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