Data I/O 298 Manual page 168

I
ol
I
I
I
c
8
A
0
0
Af3
A2
_,,.,
t::j~
82
RL4
JI
E
30
29
28
32
33
34
35
38
39
2
5
6
7
8
37
36
...,
f
6 5 4
DATA
SHTI D6
BUS
I
A
~ADDRES4
E!tJS
CID
21 SHTl,03
12
0
DO
13 I
Di
02
14
2
15
3
03
16
4
D4
17
5
D5
18
6
06
7
D7
19
Bl
82
83
RSO
+5
II
22
21
Di
20
D2
19
03
18
D4
17
16
05
06
15
07
7
IRQ
14
V-2
1/0 DECODE H
SHT 3.C2
J3
SERIAL
1/0
Ul4
6850
E206
E207
NC
9
cs2 ..._z ____________ 3-oe
1---------__,,,
'Z
REC
RX
1489
~
6 1 2 - -
~ nl_
1---------+---_.r.__N_C~:. ~TX
RiSI~ ~~ 8 ~~~~~~-~
RTS
NC~488
'Y"
·NC
CfS~2_4
________
-4------lf------s-oc5UI0~4
__ _., __________
_,;r CTS
1489
RSI
U20
- 23
-------'~3--1
R/W TXC RX
gcDi,..;;..------------+----l~C
DCD
RS2
RS!
8279
E.204/E.205
RLO
RLI
RL2
RL3
CLK '-3 ; ;;__ _ _ _ _ _
E
RL4
RL5
RE.SET
9
8
RL6
RL7
74LS04
CNTL
RD
10
SHIFT_
iiD cs
WR n.-;..l'-1
----~
o~
1 1 0 DECOOE
SHT 3, C2
5
KEYBOARD DISPLAY
INTERFACE
l
3
3 4
+5
(4 PLACES}
4 s~:~
74 LS04 ADDRESS E 100
1/0 STATUS SWITCHES
JPI
ECHO
CRI
IN4148
NC
+5
l"C':l ' " ' ' · ·i
+12
+12
R5
r IK
..._,,...,,,A-0_+5
3.3K~- 5
~ 7
GND
I GND
Q3
20MA
SEND
20MA
REC
+~~2N29~
~DET
74LSl26
- - - - - 110
DECODE L
SHT
3,C2
co~~OL
'----------------E-"-----------J
Fi
r:l
~DSR
+5
SHTl,A3
+48
+
48
(i7)..---i'
@
+~
H2~
+5~
@
+10
+10~
GND
h
0
v
JI
KEY BO.
DISPLAY
4
JS
06&-
0----S COMP
CO~P
SHT 3,
D3
+5 0--S+5
J4
04
05
L
RUN
~HT3,~RlJN
0 3 )
~
REG
s----0
SHT 3,
5 REG
03
~GND
GND
+5
s-----G)
+5
HANDLER INTERFACE
ua
HEX
SWITCH
II 10 3
20 DTR
+24
'-f
~
+24
....
~
~·5
l/ODECDD~
SHT 3,C2
J 3
3 2
REVISIONS
LTR
DESCRIPTION DR
c
SEE SHEET ONE
c
POWER SUPPLY CHART
REF DES GND
+5 +12 -5
Ul-U4 7
14
U5 8
16
U6
7
14
U9 7 14 I
UIO
7
14
Uii,Ui2 j() 20
-
U14 I 12
Ul7-Ul9 9 18
U20 20 40
U21,U22 8 16
U23
10
20
U24,U25 8 16
U28-U30 9 18
U31
10
20
U32-U38 12 24
U40,U41
7
14
8
U42-U45 10 20
U46 8
16
U47,U48
10
20
U49 8 16
U50 U51 10 20
U52
7
14
U55 7
14
APPROVALS: SPECIFIED DIMENSIONS
UNLESS OTHERWISE
DATA
I~O
1---~~~~__..~AR_E_1N_1_Nc_H_Es
_ _ _
---+----------_;;;;....;;;;;;__.......;;; __________ ----f
A
I
OSN ENGR DATE
MFG. ENGR DATE
OUAL ASSUR
ENGR MGR
TITLE
SCHEMATIC DIAGRAM
CONTROLLER BOARD
SIZE CODE INDENT
NO
D
54193
DRAWING NO.
30-701-0047
SHEET
40F5