Data I/O 298 Manual page 167

D
c
B
A
A(J
Al
A2
A3
A4
MJ
AG
A7
AS
A9
A10
All
Al2
Al3
A14
Al5
8
START
36
DIS
017
Dt6
015
Dl4
Dl3
012
011
J7
9
15
6
16
J7
7
I
l _ _ _ _ _ __J
3. 3K
.,
1,. _ _ _ _
_J
3.3K
~
D 13
6
~
R3'
~3.JK
7
6
1144
14 5
74LS374 7 4
E:2 '.):' 17 3
CLK
II
l/OOECODF C'
SHT 3,C2
4 2
18
0
J7
6
LO ADDRESS GATE
I 9
2 12
3 7
E =-.,.:A_
--1--14
U43
_
5
1
74LS244
i6~
,.__7 - - 3 -
)-J
8
18
19
HI ADDRESS GATE
9
12
' - - - - - - - - - 1
7
U50
_ _ _ _ _ 14--t 74LS244
5
-y-
16
' - - - - - - - 1
3
4
18
LO ADDRESS REG
I 9 Q
2 12
3
6 U42
§
-4 15·
5
6
2
8 19
74LS374
E20:
II
8
D 8
13
7
4
17
3
18
5
ADDRESS
BUS
s:3T
1
'
CONTROL
0
I
2
BUS
SHT l,A3
Cl GATE
74LS04
4
VO DECODE D
DATA
SHT3,C2
BUS B
SHT I, D7
DATA
2
EN
U47
8304
~--!-ii _rt>-i_I
a..::..:..; _ _ _
~5~~--"-1~ ~ ~'·~4
__
_:;:!
6 6
~
13
, 7 - - - 1 -:___,D_1R _ _ ~1------
II
6
7
l/ODECODE K
SHT3, C2
3 D
IS
.~I
' ; I
!4
p
3
U31
74LS273
EOOO
Q
SI SliT 3, C4
DREG SHT 3,A6
• s
NC
COMP SHT
A6
RUN
SHT4
86
SliT4
A6
2
LTR
c
STATUS GATES
~-+---' 9
..... B
U45
CONT REG
0
18 8304
,..--+--.,..,11'"'
I~
16~
14 "'""-------"'
~-+---,~3 1 - ' - - - - - - 7
12.._ ..... .._....,--'
10 04 Cl..R
18
-----=-iQ6
,1_9 _ _ __,2=-i
Qi
·--- 5 ~ -02
U46
05......,.. _ _ __,
- - - - 03 74LS 174 02 ,_4"'--_ _ _.
12 Q5 D3
,~6:o.__
_ _
.,r
E203 04...,l,,__I _ _ __,
CLK
ADDRESS
BUS
lSHT
l,D: A•
-.__....-1...,3- A3
_.__....-12-... A2
_ _ _ _ _ 1-IJ ~I
10 ;:.C
STA1US REG
l/ODECODE F
SHT 3,C2
U49
TONE CONTROL
74 LS 126 +5
GATE
12
TONE
CONTROL
SHTl,A6
110 DECODE
~=-=~...L....1--'---.JVV'-•-
I
.
.....,-.=:.=--.....----.1Vv....~I
,i-;::..,~a-~---1-AA_,,.__.
I
330 CBPLCS)
REVISIONS
DESCRIPTION
SEE SHEET ONE
HI ADDRESS
REG
I/ODE.CODE B
SHT3,C2
R/W
74LSOO
+5
3.'3K
U51
74LS374
Ei::'.v'"·
G~ CU<
'-f)
DREG 1:1ATE
ltv
OE.COuE
A
SHT3,C2
DRE:.G
IV--~Q.J"'M..1-____.., SHT
3, 0 3
SENSE
0
C\I
(!)
<t
0 -
SHT5,A2
a:~
~~~~~s.a·~~ ~~~
> > >
Li.I
> > > >
(!)
>
c:o c:o ::c
tJ) I()
~
0)
0 0
I()
:i:
;+~I
+ I
+
~
+
+
+5
13
03 9 E 2
r
r
5 AO
CS
""-----'6-.i Al
D~
10 E 10 0 6 Al
----~1
..... A 2
lJ 22
[ii
1-ll---=E'-"u'-"c'""'c'----- _.., _ _ _ _.r--1 A2
U21
-...:-.... _ _ _ 4'-'/J.
"!,
256 X 4 i, 12
FocA~ ~ 4 ~ 256 X 40~=-i--a.--~~to----..J
=---_."\'-' A 4 TRI STATE 0 3 A 4 PROM
•---~2-A5
OC
~
R/WB
PRIMARY
1/0 DEC'ODF
~t. _ _ _ ..... I A6
15
I(/
I
.
BUFFER EN
SHT I
D7
r\_,
cs
-...(' 0
SHTTI, A7 V02B
SHTI, A7 l;O CS DECODE
SHT2
A6
,
~
INTERLOCK OPERATE
, - SHT I. A6
DD
~~~~~;:i SH~•
I ~ I~ ,~ ~
aJ
;i!
~
OPERATE
- a: > ~ct
IJJ(!)
(!)
z
t-
w ~
NC
~
EXTEND
APPROVALS
MFG ENGR DATE
SCHEMATIC DIAGRAM
CONTROU.ER BOARD
OUAL ASSUR DATE DRAWN BY DATE SIZE CODE INDENT DRAWING NO.
{7
L4.,4{K
%~;
D
NO
._E_N-GR_M_G_R--+-DA_T_.E
._C,fi-ET-K-ED_p_v_,
--l>-D.:..:AT;,;;...iE
54193
t (
1
,"..(),
i,/
f
SCALE - - -
30-101-0047
SHEET
3 OF 5
c
B