gl848 Genesys Logic, gl848 Datasheet - Page 40

• Manufacturer Part Number: gl848
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Fast Adf & Bus Power
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
Offset 4Ah ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Bh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Ch ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Dh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Fh
Offset 50h ……..……..…………………..………..….………..……....…..….…. Default value = 8’h00
7-0 FEDCNT [15:8] Steps number which motor has moved.
7-0 FEDCNT [7:0] Steps number which motor has moved.
7-4 RESERVED
3-0
7-0
7-0 SCANCNT [7:0] Line number which scanner has finished.
SCANCNT7 SCANCNT6 SCANCNT5 SCANCNT4 SCANCNT3 SCANCNT2 SCANCNT1 SCANCNT0
SCANCNT15 SCANCNT14 SCANCNT13 SCANCNT12 SCANCNT11 SCANCNT10
FEDCNT7 FEDCNT6 FEDCNT5 FEDCNT4 FEDCNT3 FEDCNT2 FEDCNT1 FEDCNT0
5 DOGON
2 TX232BSY
1 RX232BSY
0 RXREADY
SCANCNT [19:16]
SCANCNT [15:8]
R
X
X
R
R
X
X
X
X
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
X
X
X
X
X
X
R
R
R
-
Line number which scanner has finished.
For example, after setting the line number (Reg 25, 26 27) and execute the
scanning enable (bit 0 of Reg 01), designers can get line number which has been
finished via these registers. It can be reset to zero by CLRLNCNT command.
Line number which scanner has finished.
0 Lamp dog hasn’t occurred
1 Lamp dog has occurred
0 RS232 transmitter is ready for access.
1 RS232 transmitter is busy and can not be accessed.
0 RS232 receiver is ready for access.
1 RS232 receiver is busy and can not be accessed.
0 The receiving has not been completed.
1 Has received data number specified in Reg 88 from RS232.
FERDA5
DOGON
R/W
R
X
X
R
R
R
FERDA4
R/W
R
X
X
R
R
X
X
SCANCNT19 SCANCNT18 SCANCNT17 SCANCNT16
FERDA3
R/W
X
X
R
R
R
R
TX232BSY RX232BSY RXREADY
FERDA2
R/W
R
R
R
R
R
SCANCNT9 SCANCNT8
FERDA1
R/W
R
R
R
R
R
FERDA0
Page 40
R/W
R
R
R
R
R