GL640USB-A View Datasheet(PDF) - Genesys Logic

Part Name

Description

MFG CO.

GL640USB-A

IEEE-1284 to USB Bridge

Genesys Logic 

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GL640USB, GL640USB-A

GPIO and GPIOCTL registers are available only in EPP mode. GPIOCTL register determines pin

GPIO1-7 is input mode or output mode, GPIO register is used to set the output data to pin GPIO1-7 or read

data from pin GPIO1-7 input.

GPIOnOE -

1= set pin GPIOn to output mode

0= set pin GPIOn to input mode

Revision 1.1

-26-

Jun. 7, 1999

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