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APPLICATION EXAMPLES
+5V GND
b~L
Vee
VDD
Vss
27
2
P10
}~'"
28
~
XTAL
1
P11
P12
29
~
P13
30
[ INPUT 1
3
31
AND
XTAL
2
P14
OUTPUT
P15
32
15-25pf
P16
33
f-----!
RESET
P17
34
1ufd
21
P20
}~'"
EA
P21
22
8049
P22
23
8048
P23
24
[
INPUT]
-=-
5
AND
8748
35
NC
55
P24
36
OUTPUT
P25
37
P26
P27
38
1
12
{-
TO
DBO
DB1
13
39
INPUT
--:
T1
DB2
14
DB3
15
}
['''~]
16
BUS
PORT
AND
INT
DB4
OUTPUT
DB5
17
DB6
18
DB7
19
NC NC
• All inputs and outputs (except RESET, X1, X2)
standard
TTL
compatible
•
P1
and P2 outputs drive 5V
CMOS
directly others
require
10
to
50KO,
pullup for CMOS compatibility
XTAL:
Series Resonant
1
to
6 MHz
or
Parallel Resonant
for higher
accuracy
THE STAND ALONE 8048/8049
5-2
crs Knights MP060
Crystek CY6B
or equivalent
or standard 3.58
MHz
TV
Color Burst XT AL