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Anonymous
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Sep 29, 2013
11:37 PM
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Sep 29, 2013
11:37 PM
Hi,
I have 8 pins input and 8 as output.
I would like to change connections between them during runtime.
Please see attached 2 pictures for reference.
Please give me a hint how should I make this.
Kind REgards,
Daniel
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1 Solution
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Anonymous
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Sep 30, 2013
01:10 AM
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Sep 30, 2013
01:10 AM
6 Replies
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Anonymous
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Sep 29, 2013
11:38 PM
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Sep 29, 2013
11:38 PM
Anonymous
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Sep 30, 2013
12:49 AM
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Sep 30, 2013
12:49 AM
Hi Daniel
One idea is use multiplexer or gate logic for Pin 14,16
This logic controled by other Pin or CPU signal.
I will show you soon.
One idea is use multiplexer or gate logic for Pin 14,16
This logic controled by other Pin or CPU signal.
I will show you soon.
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Anonymous
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Sep 30, 2013
01:10 AM
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Sep 30, 2013
01:10 AM
Sep 30, 2013
05:48 AM
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Sep 30, 2013
05:48 AM
You can also use the port in configuration register which uses the routing net/mux.
See Register TRM for the part you are using.
Anonymous
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Sep 30, 2013
10:46 AM
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Sep 30, 2013
10:46 AM
Thank you all for solutions provided. I have been able to look on mux until now.
I do have a question related solutions:
does transfer speed between input pins and output pins depend on CPU clock ?
I mean I would like to use a PSoC4 and from input to output pins should handle a 200Khz signal.
Thank you !
Daniel
Anonymous
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Sep 30, 2013
11:25 AM
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Sep 30, 2013
11:25 AM
Pin to Pin transition time is not depend on CPU clock.
It is a hardware, i.e: Pin1 to Pin2
However, pin selection time is depend on CPU,
in case of software is switching MUX.
About Pin to Pin delay,
See Electrical specifications of each device data sheet.
[ GPIO AC Specifications ]
Usually, PSoC4:
It is up to 100MHz around.
It is a hardware, i.e: Pin1 to Pin2
However, pin selection time is depend on CPU,
in case of software is switching MUX.
About Pin to Pin delay,
See Electrical specifications of each device data sheet.
[ GPIO AC Specifications ]
Usually, PSoC4:
It is up to 100MHz around.