GL843 GENESYS [GENESYS LOGIC], GL843 Datasheet - Page 42

• 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 4Bh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Ch ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Dh ……..……..…………..………..………..….………..….…..…….…. Default value = 8’h00
Offset 4Eh
Offset 4Fh
7-4 RESERVED
3-0
7-0
SCANCNT7 SCANCNT6 SCANCNT5 SCANCNT4 SCANCNT3 SCANCNT2 SCANCNT1 SCANCNT0
7-0 SCANCNT[7:0] Line number which scanner has finished.
7-5 RESERVED
SCANCNT15 SCANCNT14 SCANCNT13 SCANCNT12 SCANCNT11 SCANCNT10
4 ROMBSY
3 LCMBSY
2 TX232BSY
1 RX232BSY
0 RXREADY
SCANCNT[19:16]
SCANCNT[15:8]
GMMRDDATA
X
X
X
X
R
R
GL843 High Speed USB2.0 With ADF 2-in-1 Scanner Controller For 3x
X
X
X
X
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.
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.
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.
This port is for designers to read gamma table back.
-
0 EEPROM is ready for access.
1 EEPROM (93C46) is busy and can not be accessed.
0 LCM interface is ready for access.
1 LCM interface is busy and can not be accessed.
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.
X
X
X
X
R
R
ROMBSY
GMMRDDATA
X
X
R
R
R
R
SCANCNT19 SCANCNT18 SCANCNT17 SCANCNT16
LCMBSY TX232BSY RX232BSY RXREADY
R
R
R
R
R
R
R
R
SCANCNT9 SCANCNT8
R
R
R
R
Page 42
R
R
R
R