Datasheet

43. Conventions
43.1 Numerical Notation
Table 43-1. Numerical Notation
Symbol Description
165 Decimal number
0b0101 Binary number (example 0b0101 = 5 decimal)
'0101' Binary numbers are given without prefix if
unambiguous
0x3B24 Hexadecimal number
X Represents an unknown or don't care value
Z Represents a high-impedance (floating) state for
either a signal or a bus
43.2 Memory Size and Type
Table 43-2. Memory Size and Bit Rate
Symbol Description
KB (kbyte) kilobyte (2
10
= 1024)
MB (Mbyte) megabyte (2
20
= 1024*1024)
GB (Gbyte) gigabyte (2
30
= 1024*1024*1024)
b bit (binary '0' or '1')
B byte (8 bits)
1kbit/s 1,000 bit/s rate (not 1,024 bit/s)
1Mbit/s 1,000,000 bit/s rate
1Gbit/s 1,000,000,000 bit/s rate
word 32 bit
half-word 16 bit
43.3 Frequency and Time
Table 43-3. Frequency and Time
Symbol Description
kHz 1 kHz = 10
3
Hz = 1,000 Hz
KHz 1 KHz = 1,024 Hz, 32 KHz = 32,768 Hz
SAM D21 Family
Conventions
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 1175