User manual

SCM3712 REFERENCE MANUAL 10

2.6. Conventions

Bits are represented by lower case ‘b’ where followed by a numbering digit.

Bytes are represented by upper case ‘B’ where followed by a numbering digit.

b6 b5 b4 b3 b2 b1 b0

B6 B7 B8 B9 B10 B11

B0 B1 B2 B3

Least significant nibbleMost significant nibble

1 Byte = 8 bits = 2 nibbles

Bit number 0

Bit number 5

Array of 12 bytes

Byte number 11

Byte number 2

163 in decimal is represented

Example:

• in hexadecimal as 0xA3

• in binary as (10100011)b

The least significant nibble of 0xA3 is

• 0x3 in hexadecimal

• (0011)b in binary

The most significant nibble of =xA3 is

• 0xA in hexadecimal

• (1010)b in binary