|
Although I've done 6802, 6805, 68008, 68020, ATmega328, ATmega32u4, SAMD21, I just bought my first "Blue Pill", STM32F103C8T6 for $2+.
That chip's design is already 20 years old!
I just got a blinky going using my own (from zero) ld file, startup (vectors, clock, segments), blinky and CMSIS-DAP programmer software (including RAM stub).
It was mostly curiosity. I won't waste more time on this. I'll look into the STM32F4--.
And since this is the rant channel, I'll add:
In the stone age, microprocessors just started up instantly.
Now some boards PLL off 32 kHz xtals and can take up to 2 seconds before they blink.
Give me a high speed xtal, I can stand the couple of milliamperes.
|