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DIDS-402 -2AM13
ENTER
H~DER--------------------------~-----------------------------------'----------------------------------
SAR
RE
T
SOL
T
SG12_,--_
SG12
RE
NR
PA
Dill
'r-~-.
8
~----r-
. . . . . .
A30
/ ' -
........
~
6
BBI
BB2+BB3+
DATA TO DL
TO
"---t~A50.2
ETXD3 +MR
~-----------------~~"
XB
ETX FOUND + ....
-----------------0"-
ETXD3 +MR
rR
DIDS 68-527
4CTS
/SG121
8
A31
6
C
RESET BB 1 ..-__
--I~
r::::IDJ
8
12
6
T +RE_
4CTS
BB2 BB3 +
DATA TOOL
ENABLE 01 CLOCK
ENABLE 02 CLOCK
ISG231
0
9
A31
C
8
RE
SOL
T
SA
~-~BB3
....._--,r).-
ESCD3
CONTROL CODE IN 103
ETX03 +MR
L-.. _ _ _ _ _
-+ ___ __.
ENABLE 02 CLOCK
ENABLE 03 CLOCK
Figure 4-28.
BBl, BB2, BB3, SG12,
SG23 and Associated Cir-
cuits, Logic Diagram
4-69/4-70
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