gl846 Genesys Logic, gl846 Datasheet - Page 29

• 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 09h ……………………………………………..…………..……..………. Default value = 8’h00
Offset 0Ah …………………………………………..…………..……..………. Default value = 8’h00
7-6 MCNTSET [1:0] To select the unit of motor table counter.
MCNTSET1 MCNTSET0
7 DRAM2X
6
5 MPENB
4 CIS_LINE
1 COLUMN
0 ENB24M
5 EVEN1ST
4 BLINE1ST
3 BACKSCAN
2 ENHANCE
1 SHORTTG
0 NWAIT
7 LCDSEL
6 LCMSEL
5 ADFSEL
4 LPWMEN
3 EPROMSEL
2 RS232SEL
LCDSEL
R/W
R/W
SCNUMENB
GL846 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
LCMSEL
R/W
R/W
0 Select single chip of SDRAM
1 Enable two chips of SDRAM
Enable page count which is stored in memory for ADF operation
Enable motor phase generating function which is stored in memory
Set CIS_LINE to “1” and set CISSET to “1” at the same time to enable CIS
scanning, and work on line by line mode.
Reserved
0 Disable 24MHz CCD/CIS Clock output
1 Enable 24MHz CCD/CIS Clock output
00 Pixel count.
01 System clock*2.
10 System clock*3.
11 System clock*4.
0 The first pixel of stagger CCD is located at odd sensor line.
1 The first pixel of stagger CCD is located at even sensor line.
0 The first sensor of CCD is red line.
1 The first sensor of CCD is blue line.
0 Select forward scanning function.
1 Select backward scanning function.
0 Select normal mode for embedded EPP interface.
1 Select enhance mode for embedded EPP interface.
0 Disable this function.
1 Enable short CCD SH(TG) period for film scanning.
0 No delay for nWait.
1 To delay nWait (H_BUSY) for one clock.
0 Disable LCD display function.
1 Enable LCD display function and the specific GPIOs are defined to drive LCD.
0 Disable LCM display function.
1 Enable LCM display function and the specific GPIOs are defined to drive LCM.
0 Disable ADF function.
1 Enable ADF function and the specific GPIOs are defined to drive ADF module.
0 Disable ADF function.
1 Enable PWM function of lamp.
0 Disable external EEPROM (93C46) interface.
1 Enable external EEPROM (93C46) interface and the specific GPIOs are
0 Disable RS232 interface.
1 Enable RS232 interface for special application and the specific GPIOs are
defined to connect EEPROM.
defined to implement RS232 protocol.
EVEN1ST BLINE1ST
ADFSEL
R/W
R/W
LPWMEN EPROMSEL RS232SEL BAUDRAT1 BAUDRAT0
R/W
R/W
BACKSCAN
R/W
R/W
ENHANCE SHORTTG
R/W
R/W
R/W
R/W
NWAIT
Page 29
R/W
R/W