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A device which includes a central processing unit (CPU), memory, and (generally) an assortment of I/O peripherals (UART, ADC, DAC, general-purpose I/O, I2C, etc.) in a tightly-coupled standalone package.
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Good approaches to implement more than one time-critical function using a microcontroller?
For square waveform you should use a PWM peripheral that is PLLed with your XTAL using some kind of counter to know when to cycle (for setting the fewquency). Every datasheet will tell you how to do t …
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STM32F103 - Simple blinky, but voltage on TMS & TDI
I'm having some trouble getting my STM32F103 to work as I intend.
On my working board (previously flashed with Espruino firmware) I have LEDs attached to TMS TCK and TDI lines.
After flashing it with …