
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
2000-2006 Genesys Logic Inc. - All rights reserved.
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2 GPOLED10
1 GPOLED9
0 GPOLED8
0 Set GPIO10 as general purpose I/O.
1 Set GPIO10 as LED output.
0 Set GPIO9 as general purpose I/O.
1 Set GPIO9 as LED output.
0 Set GPIO8 as general purpose I/O.
1 Set GPIO8 as LED output.
Offset 7Fh
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. Default value = 8
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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
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. 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
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. Default value = 8
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h00
X
X
X
X
X
X
LOADSET4
R/W
LOADSET3
R/W
LOADSET2
R/W
LOADST1
R/W
LOADSET0
R/W
7-5 RESERVED
4-0 LOADSET[4:0]
set the data types for downloading data.
-
Offset 82h
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. Default value = 8
’
h00
CONTB3
R/W
CONTB2
R/W
CONTB1
R/W
CONTB0
R/W
CONTA3
R/W
CONTA2
R/W
CONTA1
R/W
CONTA0
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