GL646USB datasheet(32/44 Pages) GENESYS

32 / 44 page

GL646USB

BWHI

BWLOW

bandwidth

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)

Rev. 1.4

-31-

CCD TG

CCD clock

CCD pixel no: N-1

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

GL646USB 数据表(PDF) 32 Page - GENESYS LOGIC

GL646USB 数据表(HTML) 32 Page - GENESYS LOGIC

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GL646USB 数据表(PDF) 32 Page - GENESYS LOGIC

GL646USB 数据表(HTML) 32 Page - GENESYS LOGIC

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