ECE 3567 Microcontrollers Lab
                         Lecture #2 – The Microcontroller & 
                                Embedded C Programming
                                                Autumn 2019
                                              Dr. Gregg Chapman
                                                                                                  1
       Numbering
          The Hexadecimal Number System.
                                      Hexadecimal Values of Bit Positions
                                    (Used to read or write register values)
                                         Bit 7  Bit 6   Bit 5  Bit 4   Bit 3   Bit 2  Bit 1  Bit 0
                                          1       1       0      0       0      0       0      0    0xC0
                                          0       0       0      0       0      0       1      1     0x03
                                          1       1       0      0       0      1       1      1     0xC7
                                           0      0       0      0       1      1       1      1     0x0F
                                           1      1       1      1       0      0       0      0     0xF0
                                           0      0       0      0       0      0       0      0     0x00
                                           0      1       0      1       0      1       0      1     0x55
                                           1      0       1      0       1      0       1      0     0xAA
                                           1      1       1      1       1      1       1      1     0xFF