Posted on May 17, 2011 at 13:23Hi All, I have experienced the same problem. I have setup, RTC alarm interrupt thru EXTI17 to wakeup the CPU from LP stop mode. It appears the irq, very rarely, does not fire. I am still trying to figure out why. I wan...
Posted on May 17, 2011 at 13:23Hello, I have been using DMA for both Rx and Tx without any problems for some time. During USART initialization both DMAR and DMAT bits are set and do not change for the rest of my application. However the user manual ...
Posted on May 17, 2011 at 12:57Ok. I understand. Thanks for the input. Terminology mislead me. The manual says 1-25 MHz OSCILLATOR. So I thought it was the oscillator. Anyhow it is clear now. Thanks. Kerem
Posted on May 17, 2011 at 12:57Hi All, Does anyone know whether the HSE osc range is 4-16MHz or 1-25MHz. Datasheet (4-16MHz) and user manual (1-25MHz) indicates two different values. Thanks, Kerem
Posted on May 17, 2011 at 12:57Ok. I understand. Thanks for the input. Appearently the Dhrystone code does not help much as it is far from reality. Because in my real application the cpu executes many unsequenced code with many interrupts enabled. A...
