Renesas R-IN32M3 Series User Manual page 5

Notation of Numbers and Symbols
2.
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 = 1024
20
M (mega): 2
30
G (giga): 2
Data Type:
Word: 32 bits
Halfword: 16 bits
Byte: 8 bits
2
= 1024
3
= 1024