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APPLICATION EXAMPLES
+5V
GND
L
L
Vee
Vss
15
~
~
1~
XTAL 1
XTAL2
+5V
l~fd
.J...
10V
RESET
8021
13
INPUT--
T1
3
I
LC
CRYSTAL
ALTERNATE FREOUENCY REFERENCE OPTIONS
(COMPONENT VALUES TO
BE
DETERMINED)
THE STAND ALONE 8021
5·3
4
POO
5
POI
6
P02
P03
7
P04
8
9
P05
10
P06
P07
11
18
Pl0
19
Pll
P12
20
P13
21
22
P14
23
P15
P16
24
P17
25
P20
26
P21
27
P22
1
2
P23
}
~~'J
PORTO AND
OUTPUT
}
~~'J
PORT
1 AND
OUTPUT
}
~NPUT
J . PORT2 AND
OUTPUT
TTL
GATE
+5V
2
NC'
EXTERNAL
XTAL
1
XTAL2