GL842 datasheet(31/64 Pages) GENESYS

31 / 64 page

GL842 USB 2.0 2-in-1 Scanner Controller

Page 31

Offset 2Fh ……..……..……………………………..….………..….…..…….…. Default value = 8’h00

BWLOW7 BWLOW6 BWLOW5 BWLOW4 BWLOW3 BWLOW2 BWLOW1 BWLOW0

R/W

7-0 BWLOW[7:0]

To set Black & White threshold low level.

BWHI

BWLOW

a,b,c,g : are black pixels

d,e,f,h,i : are white pixels

Offset 30h ……..……………………………………..…………..….…..…….…. Default value = 8’h00

STRPIXEL15 STRPIXEL14 STRPIXEL13 STRPIXEL12 STRPIXEL11 STRPIXEL10

STRPIXEL9 STRPIXEL8

R/W

7-0 STRPIXEL[15:8] To set the begin pixel position (unit : pixel count).

STRPIXEL=(TGW+2*TGSHLD)+Begin pixels number.

Note: Can’t be programmed to logic zero.

Offset 31h ……..……………………………………..…………..….…..…….…. Default value = 8’h00

STRPIXEL7 STRPIXEL6 STRPIXEL5 STRPIXEL4 STRPIXEL3 STRPIXEL2 STRPIXEL1 STRPIXEL0

R/W

7-0 STRPIXEL[7:0] To set the begin pixel position (unit : pixel count).

STRPIXEL=(TGW+2*TGSHLD)+Begin pixels number.

Note: Can’t be programmed to logic zero.

Offset 32h ……..……………………………………..…………..….…..…….…. Default value = 8’h00

ENDPIXEL15 ENDPIXEL14 ENDPIXEL13 ENDPIXEL12 ENDPIXEL11 ENDPIXEL10

ENDPIXEL9 ENDPIXEL8

R/W

7-0 ENDPIXEL[15:8] To set the end pixel position (unit : pixel count).

ENDPIXEL=(TGW+2*TGSHLD)+End pixels number.

Note: Can’t be programmed to logic zero.

bandwidth

GL842 Datasheet(PDF) 31 Page - GENESYS LOGIC