[SI-LIST] Re: bidirectional line driver needed
- From: "Muhammad Sagarwala" <msadiq@xxxxxxxxxxxxxxxxxxx>
- To: <nico.fleurinck@xxxxxxxxxxxx>,"compactPCI (E-mail)" <pci-all-request@xxxxxxxx>,"si-list" <si-list@xxxxxxxxxxxxx>
- Date: Fri, 17 Jan 2003 10:31:56 -0800
Nico,
I am not sure whether I understand your question completely. If you =
want to implement
an interface without direction control signal and are looking for some =
hints on how to implement
it, any I2C document would provide you the details. I2C interface is =
bidirectional without any
direction control signal. I am pretty sure there are other similar =
interfaces but this should provide you with a=20
good starting point. If you want to know what kind of i/os to use, you =
should go with
open drain/open collector i/os.
Muhammad
-----Original Message-----
From: Nico Fleurinck [mailto:nico.fleurinck@xxxxxxxxxxxx]
Sent: Friday, January 17, 2003 3:02 AM
To: 'compactPCI (E-mail)'; 'si-list'
Subject: [SI-LIST] bidirectional line driver needed
Importance: High
Dear experts,
For a project I'm currently working on I need have a component or =
components
to make a bidirectional line.
I don't have a direction control signal for those line, so a transceiver
(with direction control) is not a solution.
The reason I need this is to have the possibility to desite during =
testing
that sone parallel I/O signals or input OR output.
For example: during test 1 is PIO1 an input and during test 2 it is an
output, do you understand?
If you have a solution for my problem please let me know.
The signals are slow changing signals, so no high speed lines!!!
The PIO's will be only used during debugging and testing of the system.
Best regards,
Nico
Nico Fleurinck
Junior Design Engineer
VERHAERT Satellites & Platforms
Hogenakkerhoekstraat 21
B-9150 Kruibeke
Tel : +32 3 250.1984
Fax : +32 3 254.1008
e-mail : nico.fleurinck@xxxxxxxxxxxx
Visit us : www.verhaert.com
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