Arduino register control, timers and interruptions
11: ATmega328P External Interrupts – Arxterra
Using Arduino Interrupts - Hardware, Pin Change and Timer
Flip-Flops and Latches - DIYODE Magazine
How do we set a flip flop as negative or positive edge triggered? - Quora
Using Arduino Interrupts - Hardware, Pin Change and Timer
Reverse-engineering the interrupt circuitry in the Intel 8086 processor
Flip-Flops and Latches - DIYODE Magazine
Ken Shirriff on X: "The external interrupt pins each have a circuit to clean up the interrupt signal and synchronize it to the 8086's clock. An input protection diode, inverters, and a
D-type Flip Flop Counter or Delay Flip-flop
Touch switch circuit diagram using Flip flop - Gadgetronicx