Table of Contents
Advertisement
Speaker interface
sound system has
a small,
The
speaker can
The
1/4-inch
speaker.
sources:
two
8255A-5 PPl output
bit.
An
-
address
the
defined
l/O
in
channel, the output
timer
clock
A
-
the functions
within
grammable
1.19MHz clock input. The timer
when using
a
an 8255A-5 PPl output port
also
controlled
by
dress
and
assignment are
bit
connector
speaker
The
Speaker connector
See
nector.
mation.
30
2
permanent magnet,
one
or
be driven
from
address and the
are
The
bit
map.
which is pro-
of
timer
the
of
8253—5
is
gate
bit. Ad-
address
the
l/O
in
map.
a
is
two-pin
90—degree
con—
section
for more
infor-
O
333
J
O
Advertisement
Table of Contents
