Intel Core 2 Duo User Manual page 8

I n st r u ct ion s
N u m be r s
Unit s of M e a sur e
Sign a l N a m e s
® TM
I nt el Core 2 Duo processor wit h t he Mobile I nt el
Manual
8
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I n t e l
I nst ruct ion m nem onics are shown in uppercase. When you are
program m ing, inst ruct ions are not case- sensit ive. You m ay use
eit her uppercase or lowercase.
Hexadecim al num bers are represent ed by a st ring of
hexadecim al digit s followed by t he charact er H. A zero prefix is
added t o num bers t hat begin wit h A t hrough F. ( For exam ple, FF
is shown as 0FFH.) Decim al and binary num bers are
represent ed by t heir cust om ary not at ions. ( That is, 255 is a
decim al num ber and 1111 1111 is a binary num ber. I n som e
cases, t he let t er B is added for clarit y.)
The following abbreviat ions are used t o represent unit s of
m easure:
A am ps, am peres
GByt e gigabyt es
KByt e kilobyt es
KΩ kilo- ohm s
m A m illiam ps, m illiam peres
MByt e m egabyt es
MHz m egahert z
m s m illiseconds
m W m illiwat t s
ns nanoseconds
pF picofarads
W wat t s
V volt s
µA m icroam ps, m icroam peres
µF m icrofarads
µs m icroseconds
µW m icrowat t s
Signal nam es are shown in uppercase. When several signals
share a com m on nam e, an individual signal is represent ed by
t he signal nam e followed by a num ber, while t he group is
represent ed by t he signal nam e followed by a variable ( n) . For
exam ple, t he lower chip- select signals are nam ed CS0# , CS1# ,
CS2# , and so on; t hey are collect ively called CSn# . A pound
sym bol ( # ) appended t o a signal nam e ident ifies an act ive- low
signal. Port pins are represent ed by t he port abbreviat ion, a
period, and t he pin num ber ( e.g., P1.0) .
®
945GME Express Chipset
9 4 5 GM E Ex pr e ss Ch ipse t —Abou t Th is M a n u a l
Order Num ber: 317443- 001US
May 2007