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Part Name
Description
LS7166-S View Datasheet(PDF) - LSI Corporation
Part Name
Description
Manufacturer
LS7166-S
24-BIT QUADRATURE COUNTER
LSI Corporation
LS7166-S Datasheet PDF : 15 Pages
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FIGURE 9. 80C31/8051 TO LS7166 INTERFACE IN EXTERNAL ADDRESS MODE
8051
80C31
P0.0 AD0
P0.1 AD1
P0.2 AD2
P0.3 AD3
P0.4 AD4
P0.5 AD5
P0.6 AD6
P0.7 AD7
ALE
74HC573
19
2
3
D1
Q1
4
D2
5
D3
6
D4
7
8
D5
D6
9
D7
D8
11
C
1
0C
12
Q8
7166
18
C/D
2
CS/
7166-110503-11
AD0
8
D0
AD1
9
D1
AD2
10
D2
AD3
11
D3
AD4
12
D4
AD5
13
D5
AD6
14
D6
AD7
15
D7
WR/
1 WR/
RD/
19 RD/
NOTE:
Port_0 is open drain output. Add pull-up resistors to all Port_0 i/0 lines.
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