GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 40

• 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 41h
Offset 42h ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 43h ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 44h ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
7-0
7-0
7-0
VALIDWORD
VALIDWORD
VALIDWORD
7 PWRBIT
6 BUFEMPTY
5 FEEDFSH
4 SCANFSH
3 HOMESNR
2 LAMPSTS
1 FEBUSY
0 MOTORENB
PWRBIT BUFEMPTY FEEDFSH SCANFSH HOMESNR LAMPSTS
VALIDWORD
[24:17]
VALIDWORD
[16:9]
VALIDWORD
[8:1]
24
16
R
R
R
R
8
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
VALIDWORD
VALIDWORD
VALIDWORD
23
15
R
R
R
R
7
To indicate power status. If it is reset, the power had been turned off.
Power on initial process will set PWRBIT to 0. This bit will have the same value
as bit 4 of Reg06 except for it’s read only.
0 The image buffer is not empty.
1 The image buffer is empty.
0 Motor feeding is not finished.
1 Motor feeding is finished.
0 Scanning is not finished.
1 Scanning is finished.
0 Home sensor is on (is not located in home position).
1 Home sensor is off (located in home position).
0 Lamp is off.
1 Llamp is on.
0 Front end is ready for read/write operations.
1 Front end is busy and can not perform read/write operations.
0 Motor is not operation.
1 Motor is operation.
The available image data stored in SDRAM for host to read.
The unit is in two words.
The available image data stored in SDRAM for host to read.
The unit is in two words.
The available image data stored in SDRAM for host to read.
The unit is in two words.
VALIDWORD
VALIDWORD
VALIDWORD
22
14
R
R
R
R
6
VALIDWORD
VALIDWORD
VALIDWORD
21
13
R
R
R
R
5
VALIDWORD
VALIDWORD
VALIDWORD
20
12
R
R
R
R
4
VALIDWORD
VALIDWORD
VALIDWORD
19
11
R
R
R
R
3
VALIDWORD
VALIDWORD
VALIDWORD
FEBUSY
18
10
R
R
R
R
2
MOTORENB
VALIDWORD
VALIDWORD
VALIDWORD
Page 40
17
R
R
R
R
9
1