GL640USB Ver la hoja de datos (PDF) - Genesys Logic

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GL640USB

IEEE-1284 to USB Bridge

Genesys Logic 

2. Description

GL640USB, GL640USB-A

The GL640USB is a low-cost, single-chip embedded controller designed for connecting an IEEE 1284 parallel port

peripheral to USB. It is suitable for applications where the IC is mounted on a PCB inside a product or stand-alone

applications where the chip resides in a cable connecting a standard parallel port device to an USB-capable computer.

The GL640USB firmware/driver will allow peripheral vendors to easily migrate parallel port device to USB.

3. IEEE 1284 Interface

EPP

DEVICE

ASIC

GPI1-4

GPIO1-7

INIT#

WR#

WAIT#

ASTRB#

DSTRB#

AD[7:0]

INT#

CLKOUT

HRST

VCP

3.3V output

GL640USB

D+

D-

USB Port

OSCSEL

CLK12/48

Revision 1.1

-3-

Jun. 7, 1999

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