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GL640USB 数据表(PDF) 7 Page - List of Unclassifed Manufacturers

部件名 GL640USB
功能描述  IEEE-1284 to USB Bridge
PDF  39 Pages
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制造商  ETC [List of Unclassifed Manufacturers]
网页  
标志 ETC - List of Unclassifed Manufacturers

GL640USB 数据表(HTML) 7 Page - List of Unclassifed Manufacturers

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Revision 1.1
Jun. 7, 1999
-6-
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



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