What will be the reason for MDR register not getting updated??

I'm trying I2C while debugging i found that the I2CMDR register is not updating I'm uploading screenshots below.
What will be the reason for MDR register not getting updated??

I'm trying I2C while debugging i found that the I2CMDR register is not updating I'm uploading screenshots below.
What is the general purpose register number for LR in Cortex M3

Note: This was originally posted on 25th March 2009 at http://forums.arm.com Note: Topic title is not valid. It should be "What is the general purpose register number for FP in Cortex M3" I would like...
What is the general purpose register number for LR in Cortex M3

Note: This was originally posted on 25th March 2009 at http://forums.arm.com Note: Topic title is not valid. It should be "What is the general purpose register number for FP in Cortex M3" I would like...
ARM: What is the clock source for MDK-ARM 5 Registers -> Internal -> Sec?

Hi, I am trying to measure the time between two breakpoints by using Registers -> Internal -> Sec property. But when i change the core speed, these time values do not change. Does this property use...