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BU2092 (IC402) : Port expander
1.Pin layout
1
Vss
DATA
2
CLOCK
3
LCK
4
Q0
5
Q1
6
Q2
7
Q3
8
Q4
9
2.Pin function
Symbol
Pin No.
1
Vss
2
DATA
3
CLOCK
4
LCK
5~16
Q0~Q11
17
OE
18
Vdd
NJM2121M-X (IC527) : Op amp.
1. Block diagram
SW. CONTROL
1
A +INPUT
2
- +
A -INPUT
3
V-
4
CONTROL
CIRCUIT
Function
I/O
-
Connect to GND
I
Serial Data input
I
Shift Clock of Data
I
Latch Clock of Data
O
Parallel Data Output
Latch Data
L
OUTPUT
ON OFF
I
Output Enable
-
Power Supply
8
V+
7
B +INPUT
+
-
6
B -INPUT
5
OUTPUT
Vdd
18
OE
17
Q11
16
Q10
15
Q9
14
Q8
13
Q7
12
Q6
11
Q5
10
H
RX-8022PSL
1-27
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