Renesas R-IN32M3 Series User Manual page 5

2. Notation of Numbers and Symbols
Weight in data notation: Left is high-order column, right is low-order column
Active low notation:
xxxZ (capital letter Z after pin name or signal name)
or xxx_N (capital letter _N after pin name or signal name)
or xxnx (pin name or signal name contains small letter n)
Note:
Explanation of (Note) in the text
Caution:
Item deserving extra attention
Remark:
Supplementary explanation to the text
Numeric notation:
Binary ... xxxx , xxxxB or n'bxxxx (n bits)
Decimal ... xxxx
Hexadecimal ... xxxxH or n'hxxxx (n bits)
Prefixes representing powers of 2 (address space, memory capacity):
10
K (kilo)... 2
M (mega)... 2
30
G (giga)... 2
Data Type:
Word ... 32 bits
Halfword ... 16 bits
Byte ... 8 bits
= 1024
20 2
= 1024
3
= 1024