It's still a data alignment problem. ARM7 44B0, bare metal debugging under ADS. Question 1: I used sizeof in the code and found that the size is 146. 146 is not divisible by 4. Why doesn't it automati...
Use TimerA and 32khz crystal to write an interrupt to achieve 1 second flashing. Use p1.0 output.What can't be done with simulater in IAR environment? I can't see the interrupt generated by the timer,...
TI's Lm series power chip wiring guide 1. Both the designer and the CADperson need to be aware that the design of a switching power converter is only as good as its layout. 2. The overall subject of P...
My program suddenly stopped running during operation, and I finally found that the 8M crystal oscillator did not start. In order to find the reason, I used a 32K external crystal oscillator, but it st...
I made a 51 single-chip minimum system. When P1^5=0, the buzzer can sound but the sound is very small. The interface voltage measured by a multimeter is about 2.4V, but the low level of 2.4V is too hi...