How can i learn the ARM microprocessor?

Answer 1

https://www.electronicshub.org/arm-tutorial/
https://www.youtube.com/watch?v=XojE13qeiTE
https://community.arm.com/processors/b/blog/posts/getting-started-with-arm-microcontroller-resources

Answer 2

thank you

Answer 3

is there any book or app for arm?

Answer 4

hi.
i need:Embeded systems fundumentals with ARM cortex-M based microcontrollers(author:Alexander G Dean)

its imposible for me to purchase this book in iran because the websites are blocked and i cant buy any thing from amazon or..
i will appreciate if any one can share the PDF of this book or introduce me a website that i can download this book for free(cause i cant pay from my country).
thank you