Hi,
4 years ago we have developped a mother card based on SKIT card with PicoCOM2
Now, we change PicoCOM2 with PicoCOM4 and we have a boot problem with some PicoCOM4 cards
When we switch on, our led (equivalent LED2 SKIT on POWER SUPPLY sheet) is blinking periodically (3 or 4 hz)
The only way to resolve this problem is to remove R8 connected to the negatif RES signal from PicoCOM4 connector
after this we cannot resset manually
do you have some feedback or solution for this problem
thank you for your support
best regards
Bernard
reboot periodically at startup
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Which reset generator do you use? Is it TLC7733 or TL7733? You must use TLC7733.
There was an error in early SKIT schematics where the reset generator was labeled TL7733.
On SKIT hardware there was always used TLC7733. -
Thank you for your fast reply
Our reset generator is TL7733
We just try with a TLC7733 with success
So we will modify our schematic
Please modify your SKIT schematics for the futur
best regards
Bernard