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Theorry and
Schematics--Moaef
5b553e
8-33.
MI{E},IONrCS
B-3b.
Signals
in the
5l+6SSg
have been assigned
mnemonics
which describe
the active state
and
function
of the signal Iine.
A
prefix letter
(HrLoP, or
!I) indicates the active state of the signal and the remaining letters
indicate its function.
An H
prefix
indicates
that the
firnetion
is active in
the
high
state;
an
L
prefix indicates that it
is active in the
low
state.
For
d,evices
t;61a1.
are
iag" sensitive the prefix
'rPrr
indicates
that the function
is
active on the po=itir'" going
edge;
the prefix
.l'N"
indicates tha't the
device
is
active
on
the negative going
edge.
8-6
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