MODE/Reset Pins Input voltage?
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misterten
- Member++
- Posts: 19
- Joined: Mon Aug 08, 2011 10:06 am
MODE/Reset Pins Input voltage?
May be the input voltage of MODE2 and MODE3 pins be 5V? Or will this damage the XMOS?
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Bianco
- XCore Expert
- Posts: 754
- Joined: Thu Dec 10, 2009 6:56 pm
XS1-G has 5V tolerant inputs.
XS1-L does not have 5V tolerant inputs.
The mode and reset pins have internal pull-ups on XS1-L, so open-drain circuits work as well (with or without additional external pull-up resistors).
XS1-L does not have 5V tolerant inputs.
The mode and reset pins have internal pull-ups on XS1-L, so open-drain circuits work as well (with or without additional external pull-up resistors).
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misterten
- Member++
- Posts: 19
- Joined: Mon Aug 08, 2011 10:06 am
Okay, I've not noticed that in time so I've driven XS1-L with 5V. The ports are not damaged but the level will not be recognzied as a high level. The microcontroller I am using for this is now running at 3.3V and the reset is recognized fine now.
Thanks!
Thanks!