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250
Radix User's Manual
When the Radix has successfully received the byte of data
from the computer it sets pin
10
low for approximately
9
microse-
conds. This si nal acknowledges the receipt of the data and so is
called the A -cf
(for "acknowledge") signal.
k
I_
I'
tl
DATA
1
9pec.
Approx. Spsec.
I
I
I
STROBE
,
I
BUSY
[
1
T: More than O+sec.
Figure F-l. Radix interface timing diagram.
Signal Name
DATA 1 - DATA 8
(To Printer)
STROBE
(To Printer)
BUSY, Aa
(From Printer)
Circuit Example
-I-
i'4L.S Compatible
Figure F-2. Typical interface circuit.
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