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LOCKUP reset ( USB )

Question asked by Carlos Candido on Feb 26, 2018
Latest reply on Mar 15, 2018 by Carlos Candido

Hi,

project example usb for MKS22.

Reset or  HardFault_Handler ( LOCKUP bit ).

my board power usb = 3.3v, cap-47uF, cap-100k, usb_cable short.

 

my test:

pullup resistor on RESET_PIN = 10K, 4K7, 1K, 100r ( ERROR).

else:

pullup resistor on RESET_PIN = 27R = ( ok )

 

exites other solution ?

 

thanks,

Carlos.

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