gl846 Genesys Logic, gl846 Datasheet - Page 57

• Manufacturer Part Number: gl846
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 7Fh ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset 80h ……..……..………………....………..…………..….………..…..…. Default value = 8’h00
Offset 81h ……..……..……..…………..………..…………..….………..…..…. Default value = 8’h00
Offset 82h ……..……..……..…………..………..…………..….………..…..…. Default value = 8’h00
7-6 BSMPDLY[1:0 ] BSMP output delay.
5-4 VSMPDLY[1:0] VSMP output delay.
3-0 LEDCNT[1:0] LED blinking period = (LEDCNT)*(100ms on + 100ms off).
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.
1-0 VRSCAN[1:0] Vref. of the motor driver IC forward scanning moving.
BSMPDLY1 BSMPDLY0 VSMPDLY1 VSMPDLY0
3-2 VRBACK[1:0] Vref. of the motor driver IC for backward moving when the image buffer is full.
VRHOME1 VRHOME0 VRMOVE1 VRMOVE0 VRBACK1 VRBACK0 VRSCAN1 VRSCAN0
7-1 RESERVED
0
7
ROFFSET7
2 GPOLED10
1 GPOLED9
0 GPOLED8
R/W
R/W
R/W
X
X
ROFFSET
ROFFSET
GL846 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
ROFFSET6
[8]
[7:0] R channel offset of the AFE for CIS color scanning
R/W
R/W
R/W
X
X
1 Set GPIO21 as LED output.
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.
00 No delay.
01 Delay 8.33ns
10 Delay 16.67ns
11 Delay 25ns.
00 No delay.
01 Delay 8.33ns
10 Delay 16.67ns
11 Delay 25ns.
LED will not blink if LEDCNT=0.
R channel offset of the AFE for CIS color scanning
-
ROFFSET5
R/W
R/W
R/W
X
X
ROFFSET4
R/W
R/W
R/W
X
X
LEDCNT3 LEDCNT2 LEDCNT1 LEDCNT0
ROFFSET3
R/W
R/W
R/W
X
X
ROFFSET2
R/W
R/W
R/W
X
X
ROFFSET1
R/W
R/W
R/W
X
X
ROFFSET8
ROFFSET0
Page 57
R/W
R/W
R/W
R/W