STM32 at 128 MHz.

seriouserg · ‎2009-11-01

Posted on November 02, 2009 at 06:06

STM32 at 128 MHz.

tomas23 · ‎2011-05-17

Posted on May 17, 2011 at 13:26

Have got pictures of exploded STM32s? ;)

andy239955_stm1_st · ‎2011-05-17

Posted on May 17, 2011 at 13:26

FYI:

Due to failing to set the ADC prescaler I was running the ADC at 64MHz instead of below 14MHz. At that rate about 10% (2 of 20 units) had problems with the sequencer occasionally skipping a programmed conversion. An actual power cycle was required to get a device to function properly again.

My first fix still used in incorrect prescale value and at 32MHz 1 of 40 devices still did the skip.

Temperature mattered, none failed at 25'C, the numbers above were at close to 40'C.

danish · ‎2011-05-17

Posted on May 17, 2011 at 13:26

You might find that the analog behavior of the ADC was also very far from specification when clocked that fast.

But of course it is hard to tell because it is difficult to get the analog noise on the pcb down to the spec of the ADC ;)

- Danish