gl848 Genesys Logic, gl848 Datasheet - Page 11

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

3.3 Pin Descriptions
©2000-2007 Genesys Logic Inc. - All rights reserved.
GPIO1 (Hot Key)
GPIO2 (Hot Key)
GPIO3 (Hot Key)
GPIO4 (Hot Key)
GPIO5 (Hot Key)/ROM_D
GPIO6/TXD/MOTORTGO/ROM_SK
GPIO7/ROM_CS
GPIO8/ICG1/LEDBLINK/SH_ENB
GPIO9/VREF3/SW1/LEDBLINK/SH_ENBX
GPIO10/SW2/LEDBLINK
GPIO11/VREF0
GPIO12/VREF1
GPIO13/VREF2
GPIO14/CCD_CNT0
/CCD_SW2
GL848 High Speed USB2.0 2-in-1 Scanner Controller With Fast ADF
Pin Name
Table 3.3 - Pin Descriptions
Type
B
B
B
B
B
B
B
B
B
B
B
B
B
B
General Purpose Input/Output (as a hot key).
General Purpose Input/Output (as a hot key).
General Purpose Input/Output (as a hot key);
General Purpose Input/Output (as a hot key);
General Purpose Input/Output (as a hot key);
EEPROM (93C46) serial data input/output DI/DO;
General Purpose Input/Output;
RS232 transmit data output;
Output motor trigger for ADF scanning;
EEPROM (93C46) serial data clock.
General Purpose Input/Output;
EEPROM (93C46) chip select.
General Purpose Input/Output;
CCD shutter control ICG1;
LED control with Blinking function;
Output SH_ENB for external CPLD.
General Purpose Input/Output;
Vref3 control for motor driver IC Imax;
SW1 output for special CCD application;
LED control with Blinking function;
Output SH_ENBX for external CPLD.
General Purpose Input/Output;
SW2 output for special CCD application;
LED control with Blinking function;
CCD SW2 control for special CCD application.
General Purpose Input/Output;
Vref0 control for motor driver IC Imax;
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;
Description
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