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BU2092/F(IC811):PORT EXPANDER
1.Terminal Layout
1
Vss
DATA
2
CLOCK
3
LCK
4
Q0
5
Q1
6
Q2
7
Q3
8
Q4
9
2.Pin Function
Pin No.
Symbol
1
Vss
2
DATA
3
CLOCK
4
LCK
5~16
Q0~Q11
17
OE
18
Vdd
CONTROL
CIRCUIT
I/O
Function
-
Connect to GND
I
Serial Data input
I
Shift Clock of Data
I
Latch Clock of Data
O
Parallel Data Output
Latch Data
L
H
OUTPUT
ON OFF
I
Output Enable
-
Power Supply
Vdd
18
OE
17
Q11
16
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
10
MX-GT91R
1-35
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