GL640 datasheet(7/39 Pages) ETC

Part #	GL640

Description	IEEE-1284 to USB Bridge

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Manufacturer	ETC [List of Unclassifed Manufacturers]

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7 / 39 page

Revision 1.1

Jun. 7, 1999

-6-

GL640USB, GL640USB-A

27

TEST#

I

Mode select, internal pull up

1=Normal Mode

0=Chip Test Mode

28

INT#

I

this is an input pin to accept the interrupt signal from external EPP

controller, internal pull up

29

GPIO1

I/O this signal is served as an general purpose I/O pin, internal pull up

30

GPIO2

I/O this signal is served as an general purpose I/O pin, internal pull up

31

DVCC

-

Digital 5V input

32

DGND

-

Digital ground

33

GPIO3

I/O this signal is served as an general purpose I/O pin, internal pull up

34

GPIO4

I/O this signal is served as an general purpose I/O pin, internal pull down

35

GPIO5

I/O this signal is served as an general purpose I/O pin

36

GPIO6

I/O this signal is served as an general purpose I/O pin

37

GPIO7

I/O this signal is served as an general purpose I/O pin

38

INIT#

O output signal to initialize the EPP device.

39

40

DSTRB#

O EPP data strobe

40

41

ASTRB#

O EPP address strobe

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