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23
24
ance
with the input information
received,
by
s
clocked
into a relay
control unit
which
supplies
iwitching purposes.
Additional
outputs
are
evel,
dB
conversion,
and
ZERO
SET
command
)
2k
ROM
memories,
by
the
/jP.
reupon
the
ROM
responds
by
sending the
on
the
8-bit
databus
lines
and
the
high-order
tional
program
lines
are
used to
extend
the
e
ALE
(address
latch
enable)
output
of the
/tP.
(program
store enable)
signal
from
the
/iP,
which
on
the
stated
of the
signal line
P23.
jid
Crystal Display) interface integrated
circuits
the
display.
Fig. 18.
Functional diagram of the control
section
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