UPD70F3451GC-UBT-A Datasheet, PDF (8/1191 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Conventions
The mark “<R>” shows major revised points. The revised points can be easily searched
by copying an “<R>” in the PDF file and specifying it in the “Find what:” field.
Data significance:
Higher digits on the left and lower digits on the right
Active low representation: xxx (overscore over pin or signal name)
Memory map address: Higher addresses on the top and lower addresses on the bottom
Note:
Footnote for item marked with Note in the text
Caution:
Information requiring particular attention
Remark:
Supplementary information
Numeric representation: Binary
... xxxx or xxxxB
Decimal
... xxxx
Hexadecimal ... xxxxH
Prefix indicating power of 2 (address space, memory capacity):
K (kilo): 2¹⁰ = 1,024
M (mega): 2²⁰ = 1,024²
G (giga): 2³⁰ = 1,024³
Data type:
Word … 32 bits
Halfword … 16 bits
Byte
… 8 bits
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User’s Manual U18279EJ3V0UD