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1-3
GUIDE TO THIS MANUAL
1.2 NOTATIONAL CONVENTIONS
The following notations are used throughout this manual.
# The pound symbol (#) appended to a signal name indicates that the signal
is active low.
Variables Variables are shown in italics. Variables must be replaced with correct
values.
New Terms New terms are shown in italics. See the Glossary for a brief definition of
commonly used terms.
Instructions Instruction mnemonics are shown in upper case. When you are
programming, instructions are not case sensitive. You may use either
upper or lower case.
Numbers Hexadecimal numbers are represented by a string of hexadecimal digits
followed by the character H. A zero prefix is added to numbers that begin
with A through F. (For example, FF is shown as 0FFH.) Decimal and
binary numbers are represented by their customary notations. (That is,
255 is a decimal number and 1111 1111 is a binary number. In some cases,
the letter B is added for clarity.)
Units of Measure The following abbreviations are used to represent units of measure:
A amps, amperes
Gbyte gigabytes
Kbyte kilobytes
KΩ kilo-ohms
mA milliamps, milliamperes
Mbyte megabytes
MHz megahertz
ms milliseconds
mW milliwatts
ns nanoseconds
pF picofarads
W watts
Vvolts
µA microamps, microamperes
µF microfarads
µs microseconds
µW microwatts