LEVEL 02 / LESSON 08

Bit Manipulation

Control individual register bits and fields using masks, shifts and read-modify-write operations.

01 / CONCEPT

Bit Manipulation

Control individual register bits and fields using masks, shifts and read-modify-write operations.

CORE IDEA

Set with OR

ENGINEERING VIEW

Clear with AND + inverted mask

WHAT TO WATCH

Toggle with XOR

REMEMBER

Extract fields using masks and shifts

02 / PRACTICAL CHECK

Engineer’s checklist

  • Set with OR
  • Clear with AND + inverted mask
  • Toggle with XOR
  • Extract fields using masks and shifts
embedded_c_notes.c
// V1.4 content area
// Next iteration: full examples, compiler output and exercises.