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GL843 Datasheet(PDF) 55 Page - GENESYS LOGIC

Part # GL843
Description  High Speed USB 2.0 With ADF 2-in-1 Scanner Controller
PDF  84 Pages
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Manufacturer  GENESYS [GENESYS LOGIC]
Direct Link  http://www.genesyslogic.com
Logo GENESYS - GENESYS LOGIC

GL843 Datasheet(HTML) 55 Page - GENESYS LOGIC

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GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
©2000-2006 Genesys Logic Inc. - All rights reserved.
Page 55
2 GPOLED10
0
Set GPIO10 as general purpose I/O.
1
Set GPIO10 as LED output.
1 GPOLED9
0
Set GPIO9 as general purpose I/O.
1
Set GPIO9 as LED output.
0 GPOLED8
0
Set GPIO8 as general purpose I/O.
1
Set GPIO8 as LED output.
Offset 7Fh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
BSMPDLY1 BSMPDLY0 VSMPDLY1 VSMPDLY0
LEDCNT3 LEDCNT2 LEDCNT1 LEDCNT0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-6 BSMPDLY[1:0] BSMP output delay.
00
No delay.
01
Delay 8.33ns
10
Delay 16.67ns
11
Delay 25ns.
5-4 VSMPDLY[1:0] VSMP output delay.
00
No delay.
01
Delay 8.33ns
10
Delay 16.67ns
11
Delay 25ns.
3-0 LEDCNT[1:0]
LED blinking period = (LEDCNT)*(100ms on + 100ms off).
LED will not blink if LEDCNT=0.
Offset 80h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
VRHOME1 VRHOME0 VRMOVE1 VRMOVE0 VRBACK1 VRBACK0 VRSCAN1 VRSCAN0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-6 VRHOME[1:0] Vref. of the motor driver IC for go-home moving.
5-4 VRMOVE[1:0] Vref. of the motor driver IC for fast forward moving.
3-2 VRBACK[1:0] Vref. of the motor driver IC for backward moving when the image buffer is full.
1-0 VRSCAN[1:0]
Vref. of the motor driver IC forward scanning moving.
Offset 81h ……..……..……..…………..………..…………..….………..…..…. Default value = 8’h00
X
X
X
LOADSET4
LOADSET3
LOADSET2
LOADST1
LOADSET0
X
X
X
R/W
R/W
R/W
R/W
R/W
7-5
RESERVED
-
4-0
LOADSET[4:0]
set the data types for downloading data.
Offset 82h ……..……..……..…………..………..…………..….………..…..…. Default value = 8’h00
CONTB3
CONTB2
CONTB1
CONTB0
CONTA3
CONTA2
CONTA1
CONTA0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
7-4
CONTB[7:4]
Set flow control counter mode (count method) for flatbed
3-0
CONTA [3:0]
Set flow control counter mode (count method) for ADF



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