gl848 Genesys Logic, gl848 Datasheet - Page 43

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 5Ah ……..……..………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 5Dh ……..……..………………..………..….………..….…..…..…..…. Default value = 8’h00
Offset 5Eh ……..……..………………..………..….………..….…..…..…..…. Default value = 8’h00
7-3 BSMP [4:0]
2-0 BSMPW [2:0]
ADCLKINV
5-4 CDSREF [1:0] Front-end CDS reference for line rate scanning type.
3-0 RLC [3:0]
7-0 HISPD [7:0]
7-5 DECSEL [2:0] Deceleration steps number after touching home sensor.
4-0 STOPTIM [4:0] Stop time between forward and backward direction in backtracking.
AFE BSMP
DECSEL2
7 ADCLKINV
6 RLCSEL
Note: In ASIC simulation process, STOPTIM has to be set to tgtime=6,7.
5
HISPD7
R/W
R/W
R/W
R/W
(1). Color, gray or line-art : 12 clocks (phase)/pixel mode
6 7
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
Reg59=52H : BSMP[4:0]=10H
Note: 16 clocks (phase)/pixel and 18 clocks(phase)/pixel modes are similar to 12
DECSEL1
RLCSEL
8 9 10 11 0
HISPD6
clocks(phase)/pixel mode.
R/W
R/W
R/W
R/W
Rising edge position of dark voltage sampling for AFE.
Pulse width of dark voltage sampling.
0 ADC clock in not reversed.
1 ADC clock is reversed.
0 Do not select.
1 Select reset level clamp on a pixel-by-pixel basis.
Front-end RLC for line rate scanning type.
To change of the speed of motor during moving
Note: It cannot be programmed to logic zero.
000 1 steps deceleration
001 2 steps deceleration
010 4 steps deceleration
011 8 steps deceleration
100 16 steps deceleration
101 32 steps deceleration
110 64 steps deceleration
111 128 steps deceleration
CDSREF1
DECSEL0 STOPTIM4 STOPTIM3 STOPTIM2 STOPTIM1 STOPTIM0
HISPD5
R/W
R/W
R/W
R/W
1 2
CDSREF0
HISPD4
R/W
R/W
R/W
R/W
BSMPW[2:0]=2H
3 4
5
HISPD3
RLC3
R/W
R/W
R/W
R/W
6 7
HISPD2
8
RLC2
R/W
R/W
R/W
R/W
9 10 11 0 1
HISPD1
RLC1
R/W
R/W
R/W
R/W
HISPD0
2 3 4
RLC0
Page 43
R/W
R/W
R/W
R/W