SCM Microsystems @MAXX lite Manual do Utilizador Página 14

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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.
b7
b6 b5 b4 b3 b2 b1 b0
B4
B5
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
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