On 07-12-2007 at 20:39, STOne-32 wrote:
In Run mode you can just leave all your unused I/O pins on your PCB not connected and thru software configure them as Push-pull with Data 0.
This maintains a static level with zero consumption and finally is the best reliable mode for EMI and EMS.
Unused I/Os and features
All microcontrollers are designed for a variety of applications and often a particular
application does not use 100% of the MCU resources.
To increase EMC performance, unused clocks, counters or I/Os, should not be left free, e.g.
I/Os should be set to “0” or “1”(pull-up or pull-down to the unused I/O pins.) and unused
features should be “frozen” or disabled.
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