
GL841 USB 2.0 2-in-1 Scanner Controller
(2).Fast gray or fast line-art : 6 phase/pixel
0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
VSMP
Reg58=0BH : VSMP[4:0]=01H VSMPW=3H
61. Reg : 59H (Read/Write)
Default : 00H
B7~3:BSMP[4:0] : to set the rising edge position of dark voltage sampling for AFE.
B2~0:BSMPW[2:0] : to set the pulse width of dark voltage sampling.
(1). Color,fine gray or fine line-art: 12 phase/pixel
5 6 7 8 9 10 11 0 1 2 3 4 5 6 7 8 9 10 11 0 1 2 3 4
AFE BSMP
Reg59=52H : BSMP[4:0]=10H BSMPW[2:0]=2H
(2).Fast gray or fast line-art : 6 phase/pixel
0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5 0 1 2 3 4 5
BSMP
Reg59=0BH : BSMP[4:0]=01H BSMPW=3H
62. Reg : 5AH (Read/Write)
Default : C0H
B7
: ADCLKINV
: set: ADC clock reverse.
B6
: RLCSEL
: set: select reset level clamp on a pixel-by-pixel basis.
: reset: don’t select.
B5~4
:CDSREF[1:0] : to set the front-end CDSREF for line rate scanning type.
B3~0
:RLC[3:0]
: to set the front-end RLC for line rate scanning type.
63. Reg : 5BH,5CH (Read/Write)
Default : 00H,00H
GMMADDR[9:0]: to set gamma access start address.
64. Reg : 5DH (Read/Write)
Default : 00H
HISPD[7:0]
: to set change of the moving speed during moving.
Note: can not be programmed to logic zero.
65. Reg : 5EH (Read/Write)
Default : 00H
B7~5:DECSEL[2:0]
:select deceleration steps whenever go home.
000:1 steps deceleration
001:2 steps deceleration
010:4 steps deceleration
011:8 steps deceleration
Version 1.7
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