MX-DVA9/MX-DVA9R
1-65
1.Terminal layout
2.Block diagram
BA3838F-X (IC560) : Stero A/D converter
1.Terminal layout
2.Block diagram
BU4094BCF (IC303) : Serial to parallel port extension
16 ~ 9
1 ~ 8
STROBE
DATA
CLOCK
Q1
Q2
Q3
Q4
Vss
16
15
14
13
12
11
10
9
Vdd
OUTPUT ENABLE
Q5
Q6
Q7
Q8
Q`s
Qs
1
2
3
4
5
6
7
8
2
3
DATA
CLOCK
1
STROBE
15
OUTPUT
ENABLE
10
9
Q`s
Qs
Q1
Q8
3-STATE
OUTPUTS
8-BIT
LATHES
8-STAGE
SHIFT REGISTER
SERIAL
OUTPUT
PARALLEL OUTPUT
Pin No. Symbol I/O Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
VCC
MICIN
LOUT
FK
TK
LIN
BIAS
GND
RIN
LPF1
LPF2
LPF3
ROUT
CTRLA
CTRLB
CTRLC
Power supply
Microphone mixing input
Channel L output
Accepts signal from the key controller
Output signal to the key controller
Channel L input
Signal bias
Connect to GND
Channel R input
Connects to LPF time constant element
Connects to LPF time constant element
LPF output
Channel R output
Mode select input A
Mode select input B
Mode select input C
-
I
O
I
I
I
I
-
I
I
I
O
O
I
I
I