gl845 Genesys Logic, gl845 Datasheet - Page 15

• Manufacturer Part Number: gl845
• Description: High Speed Usb 2.0 2-in-1 Scanner Controller With Adf
• Manufacturer: Genesys Logic

©2000-2007 Genesys Logic Inc. - All rights reserved.
GPIO12/VREF1
GPIO13/VREF2
GPIO14/CCD_SW4/CCD_CNT0
GPIO15/CCD_SW5/CCD_CNT1
GPIO16/COVERSNR
GPIO17/ROM_CS
GPIO18/LCM_CS/LCD_SCK
GPIO19/LCM_RS/LCD_SI
GPIO20/LCM_EN/LCD_RCK
GPIO21/SC_SYNC/LEDBLINK
GPIO22/CPU_ALE/DATA_ENB/LEDBLINK
GPIO23/ASIC_ALE/BF_FULLY/LEDBLINK
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
B
B
B
B
B
B
B
B
B
B
B
B
General Purpose Input/Output;
Vref1 control for motor driver IC Imax.
General Purpose Input/Output;
Vref2 control for motor driver IC Imax.
General Purpose Input/Output;
CCD SW4 control for Toshiba CCD TCD2954/TCD2962;
Output CCD_CNT0 for external CPLD.
General Purpose Input/Output;
CCD SW5 control for Toshiba CCD TCD2962;
Output CCD_CNT1 for external CPLD.
General Purpose Input/Output;
Cover sensor for ADF
General Purpose Input/Output;
93C46 chip select
General Purpose Input/Output;
LCM chip select;
LCD shift register clock
General Purpose Input/Output;
LCM register select;
LCD serial data input.
General Purpose Input/Output;
LCM enable;
LCD latch clock.
General Purpose Input/Output;
ASIC synchronization for two chips operation;
LED control with Blinking function.
General Purpose Input/ Output;
External 8051 CPU ALE;
Scanning information for two chips operation;
LED control with Blinking function;
It only exists in 208 pins package.
General Purpose Input/ Output;
8051 selects that the low 16-bit address or the high 16-bit address
is latched;
Buffer-full information for two chips operation;
LED control with Blinking function;
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