GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 63

• Manufacturer Part Number: GL843
• Description: High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
• Manufacturer: GENESYS [GENESYS LOGIC]

©2000-2006 Genesys Logic Inc. - All rights reserved.
Offset A9h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset ABh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset ACh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
7-6 VRHOME[3:2] Vref of the motor driver IC for go-home moving
Offset ADh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
7-6 RESERVED
Offset AEh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
7-6 RESERVED
5-4 VRMOVE[3:2]
3-2 VRBACK[3:2]
5-4 ADFTYP[5:4]
3-0 CCDTYP[3:0]
5-3 MOTSET[5:3]
2-0 PROCESS[2:0]
7-6 RESERVED
5-0 GPO[33:28]
7-6 GPOM9
6-4 MULSTOP[2:0] Select stop time of motor start/stop. The stop time = STOPTIM * 2
VRHOME3 VRHOME2 VRMOVE3 VRMOVE2
2 TB3TB1
1 TB5TB2
3 NODECEL
0 FIX16CLK
GPOM9
R/W
R/W
X
X
X
X
X
X
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
MULSTOP2 MULSTOP1 MULSTOP0 NODECEL
R/W
R/W
X
X
X
X
X
X
-
GPO33~28 output ports.
-
-
0 Select GPIO9 as general purpose I/O.
1 Select GPIO9 as V-ref control of bipolar motor driver IC to control Imax
0 Motor decelate when carriage touch home sensor
1 Motor doesn’t decelerate when carriage touch home sensor
0 Don’t replace.
1 Use table 1 of motor table to replace table 3.
1 Use table 2 of motor table to replace table 5.
To enable 16 system clocks/pixel recover function
Vref of the motor driver IC for fast forward moving
Vref of the motor driver IC for backward moving when the image buffer is full
Set ADF types like one pass, U-turn, forward & backward.
Set 600 * 2 , 1200 * 2 , 2400 * 2 , 1200 * 4 , 1200 * 2 + 600 , 1200 * 4 + 600
Set the working methods of motor motor driver IC under ADF feeding.
Set data flow process under scanning.
0 Don’t replace.
CCD types.
MOTSET2 MOTSET1 MOTSET0
ADFTYP1 ADFTYP0
GPO33
R/W
R/W
R/W
R/W
R/W
GPO32
R/W
R/W
R/W
R/W
R/W
VRBACK3
CCDTYP3
GPO31
R/W
R/W
R/W
R/W
R/W
PROCESS2
VRBACK2
CCDTYP2
TB3TB1
GPO30
R/W
R/W
R/W
R/W
R/W
PROCESS1
VRSCAN3
CCDTYP1
TB5TB2
GPO29
R/W
R/W
R/W
R/W
R/W
MULSTOP
FIX16CLK
PROCESS0
VRSCAN2
CCDTYP0
GPO28
Page 63
R/W
R/W
R/W
R/W
R/W