Lpc2000

Hi,

> I am experincing a strange problem on a LPC2212.
> Sometimes, after board power-up, the micro does not start at all and 
> seems to remain in a pseudo-reset state (all pins in high-z).
> The software execution seems not to start at all, since one of the 
> first thing done is to program some of the GPIO as outputs.
> I checked the state of the BOOT pins related to RESET pin and power 
> supplies but everything seems to be ok.
> RESET is released when all the configuration pins are in the correct 
> position.
> JTAG pins are polarized with pull up/down resistors.
> 
> The problem seems to be somehow related to the UART0 (the problem 
> appears when the board is connected to a PC through a serial cable).

do you have some sort of Reset/Enable Bootloader mechanism controlled
by RS232 lines?