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LPC1769 work under debug but not in stand alone mode.

Question asked by Walter Peresson on Jul 7, 2017
Latest reply on Jul 11, 2017 by Kerry Zhou


I have a problem with a custom board using a LPC1769 running freertos.


Our device has two boards: a master with a LPC4088 and a slave with a LPC1769. The master queries the slave about some variables by UART port. Under debugging the communication is perfect, there is not any CRC error, then in stand alone mode AND after power cycling the LPC1769, the LPC4088 master board misses almost all the replies from slave.


What could be wrong? Why there's a different behavior in stand alone mode?