JVC MX-G78V - BU2092;F Port Expander IC Description

MX-GT98V/MX-GT95V/MX-GT88V
MX-GT85V/MX-G78V/MX-G75V
1-48
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Vss
DATA
CLOCK
LCK
Q0
Q1
Q2
Q3
Q4
V
DD
OE
Q11
Q10
Q9
Q8
Q7
Q6
Q5
CONTROL
CIRCUIT
OUTPUT BUFFER(OPEN DRAIN)
12BIT STRAGE RESISTER
12BIT SHIFT RESISTER
1.Terminal Layout
1
2
3
4
5~16
17
18
Vss
DATA
CLOCK
LCK
Q0~Q11
OE
V
DD
-
I
I
I
O
I
-
GND
Serial Data input
Shift Clock of Data (Rise Edge Trigger)
Latch Clock of Data (Rise Edge Trigger)
Parallel Data Output (Nch Open Drain FET)
Output Enable (Output FET "H" Level is OFF)
Power Supply
Pin No.
Symbol
I/O
Function
Latch Data L H
OUTPUT ON OFF
2.Pin Function
BU2092/F (IC811) : Port expander
BA3126N (IC301) : R/P switch
R E C
S W
G
123456789
P / B
S W
P / B
S W
G
R E C
S W
C O N T .
G N D
V c c