gl845 Genesys Logic, gl845 Datasheet - Page 16

• 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.
GPIO24/ASIC_BSY/SS_FULLY/LEDBLINK
GPIO25/ASIC_CS/SC_INT/LEDBLINK
GPIO26/AVR_INT/RISC_INT
GPIO27/ADF_SENR
LED_B/ RXD /MOTORDIR/GPO28
MT_PH0-5
GL845 High Speed USB2.0 2-in-1 Scanner Controller With ADF
B
B
B
B
O
O
It only exists in 208 pins package
General Purpose Input/ Output;
8051 waits for GL845’s execution;
Buffer-full information for two chips operation;
LED control with Blinking function;
It only exists in 208 pins package
General Purpose Input/Output;
GL845 chip-select pin (outputted by 8051) for external 8051’s
access;
Scanner controller output interrupt signal including watch-dog,
document-jam and ADF-sensor;
LED control with Blinking function;
It only exists in 208 pins package.
General Purpose Input/Output;
Interrupt registers (wrote by RISC) output interrupt signal to
external 8051;
Interrupt registers (wrote by 8051) output interrupt signal to
external ICE;
It only exists in 208 pins package.
General Purpose Input/Output;
ADF sensor for ADF operation.
CIS Blue LED control;
RS232 receive data input;
Motor direction control for moving TMA or ADF application;
General Purpose Input/Output.
Bi-polar (3967):
Bi-polar (3955):
MT_PH5=RESETJ
MT_PH4=ENABLEJ
MT_PH3=DIR
MT_PH2=STEP
MT_PH1=MS2
MT_PH0=MS1
MT_PH7=PHASE_A
MT_PH6=PHASE_
MT_PH5=D2A
MT_PH4=D1A
MT_PH3=D0A
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