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

Número de pieza

componentes Descripción

Lista de partido

GL640USB

IEEE-1284 to USB Bridge

Genesys Logic 

GL640USB, GL640USB-A

27

27

TEST# I Mode select, internal pull up

1=Normal Mode 0=Chip Test Mode

28

28

INT#

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

controller, internal pull up

29

29

GPIO1 I/O this signal is served as an general purpose I/O pin, internal pull up

30

30

GPIO2 I/O this signal is served as an general purpose I/O pin, internal pull up

31

31

DVCC

- Digital 5V input

32

32

DGND - Digital ground

33

33

GPIO3 I/O this signal is served as an general purpose I/O pin, internal pull up

34

34

GPIO4 I/O this signal is served as an general purpose I/O pin, internal pull down

35

35

GPIO5 I/O this signal is served as an general purpose I/O pin

36

36

GPIO6 I/O this signal is served as an general purpose I/O pin

37

37

GPIO7 I/O this signal is served as an general purpose I/O pin

38

38

INIT#

O output signal to initialize the EPP device.

39

40

DSTRB# O EPP data strobe

40

41

ASTRB# O EPP address strobe

Revision 1.1

-6-

Jun. 7, 1999

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