Clive Turvey (Clive1), master of the ST Forums, talks with us about ARM cores and answering difficult technical questions for fun.

Some answers:

• NVIC Interrupts on the same pin number
• STM32F4 PWM channel 3

ST's Cortex-M7

Books (though we talked more about these being good authors, these are the ones Chris and Elecia have or want):

• The Definitive Guide to ARM Cortex-M3 and Cortex-M4 Processors, 3rd Edition (Joseph Yiu, 2013)
• The Definitive Guide to ARM Cortex-M0 and Cortex-M0+ Processors, 2nd Edition  (Joseph Yiu, 2015)
• Z80 Assembly Language Programming Paperback (Lance A Leventhal, 1979) 
• Programming the 6502 (Rodnay Zaks, 1979)

A bare metal Scheme interpreter for ARM.