Akai MPC3000 - Page 57

TC74HC4072AP (Dual 4 input OR gate)
YM3623B (Receiver for Digital audio interface formatted signal)
| PIN No. | PORT NAME
Vdd1 | – | +5 V power supply pin for system.
| 2 J AD. | | | МСО oscillating frequency adjusting pin. |
| 3 [vco || Capacitor connecting pin for the VCO circuit.
| Vss2 | - | Ground pin for the VCO circuit.
Crystal connecting pin.
о
- | | с |
Н: РЦ. circuit will operate when DIN pin receives input signal. System uses crystal
oscillator when DIN pin has no input signal.
L: System uses crystal oscillator whichever DIN pin receives signal or not.
16.9344 MHz output (when the crystal oscillator is used). Output frequency varies
according to the DIN input when the PLL circuit is operating.
ФВ
1/3
frequency
of
the
ФА
(when
the
crystal
oscillator
is
used).
Output
frequency
varies
according to the DIN input when the PLL circuit is operating. ГА
ion
|
12
|ВСО
___|О
|
Timing
clock
for
the
output
signal
from
DO
pin.
|
13
|
ЗУМС
|
О
|
Synchronization
signal.
|
NUM
СВ
Ground
ріп
for
system.
|
15
identification
signal
between
L-ch
and
R-ch.
(H
:
L-ch,
L
:
R-ch
16
DEF
H
indicates
that
the
input
data
is
emphasised.
L indicates that the input data is not emphasised.
16 bit data output.
This pin indicates that the output data is being output from the DO pin.
signal out for R-ch deglitching.
signal out for L-ch deglitching.
H indicates parity error or crystal oscillator is operating. L indicates there is no error.
| 8
ij
о
о
Q D
19
Refer to the "NOTE"
с іо іо mio
11:51)
о
то JM ро [To | ho — | —
{оо |Р2 | {0 © | 4
2
А
25
26
27
Subcode
data
output
pin.
28
Data
input
pin.
ЯМОТЕ
:
Relations
between
the
SEL,
51
and
52
(РОГ
|
оят
|
ол
|
|
SEL
|81
Еџпсоп
____|
52
|
Function
^
^
^
^
1
1
j|
L
CD
(except
DAT)
|
DAT
|
|
|
0
.[L
|
The
sampling
frequency
of
the
DIN
signal
is
44.1
kHz
H
L|
_______
н
|
авкњг
|
PH]
|
Н
|
32
kHz
|
|Н|
|
|.
ded-