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I am new to ARM and I am trying to produce 1 second delay using timer 0 in LPC2148. But in debug session in Keil, it is giving delay of 4 seconds with 15MHz and 5 seconds with 12 MHz. What is the issue ?

Here is my code.

#include <lpc214x.h>
int main…

I am having some issues trying to debug what appear to be some very strange behaviors. For example, we have:

static const char* LOG_FORMAT = "0x%02x,%.5f,";

and the pointer changes for no obvious reason. Sometimes to garbage, sometimes to other…