And Output - Intel MCS48 User Manual

APPLICATION EXAMPLES
+5V GND
15
28
14
v
C c
XTAL
1
XTAL2
Vss
POO
P01
P02
P03
P04
P05
P06
4
5
CZJ
T
|
16
6
7
8
9
10
+5V
P07
Wd J
10V
~
17
RESET
P10
P11
P12
18
19
20
DIODE
—
OPTIONAL
^
?
8021
P13
P14
P15
P16
P17
22
23
24
25
INPUT -
13
T1
P20
P21
P22
26
27
ALE PROG
P23
2
> PORT
INPUT
AND
OUTPUT
V
PORT
1
INPUT
AND
OUTPUT
INPUT
AND
OUTPUT
+5V
I
r
X
x
2
1
MEGfl
x
2
1K
-o
TTL
GATE
XTAL
1
XTAL
2
LG
CRYSTAL
ALTERNATE FREQUENCY REFERENCE
OPTIONS
(COMPONENT VALUES TO
BE
DETERMINED)
EXTERNAL
THE STAND ALONE
8021
5-3