Harman Kardon HD7725 - Page 18

HD7725
iC
|
TERMINAL
PORT
TERMINAL
vo
OUTLINE
OF
FUNCTIONS
NUMBER
|
NUMBER
NAME
CODE
31
XCOUT
CLOCK
OUT
ie]
Clock output.
32 vss
Power supply.
33 @
ie}
Timing output.
34
P§7
35
P56
36
P55
37
P54
38
VP.
I Pull
down
voltage
input.
a9
P54
40
P50
41
P17
OUT
PORT
ce)
Laser
diode
control
output.
42
P16
OUT
POAT
ie]
Display
output 7.
4a
P15
QUT
PORT
ie] Display
output 6.
45
P13
OUT
PORT
ie) Display
output
4.
46
Pi2
QUT
PORT
(eo) Display
output 3.
1401
47
Pit
OUT
PORT
{eo Display
output 2.
48
P10
OUT
PORT
ie) Display
output
1.
49
Po7
VO
PORT
vo Serial data
input.
50
PO6
VO
PORT
vo Frama
synchronous
state
output.
51
P05
VO
PORT
vo Low
disc
rotate state
output.
52
Pod
VO
PORT
ie]
Sub-code
synchronous
signal
output.
53
Pas
VO
PORT
vO Sub-code
Q
check.
54
Po2
VO
PORT
vo Sub-code
channel
Q
output.
55.
Pot
VO
PORT
fe)
Interrupt
input.
56
Poo
VO
PORT
vO
57
P47
58
P46
59
P45
60
P44
61
P43
62
P42
63
Pat
64
P40
1
OUT
ie] Output
terminal
1.
2
ih}
| Negative
input
terminal
1
for amp. 1.
3
INt
i Positive
input
terminat
1
for
amp
1.
{C801
4
V-
Negative
power
supply.
§
IN2
|
Positive
input
terminal 2
for
amp. 2.
6
Wa
|
Negative
input
terminal 2
for amp.
2.
..
7
OuT2
© ___| Output
terminal 2,
.
8 Vt
Positive
power
supply.
4
Not
used.
2
XTI
I
Crystal
oscillator
connection
(CD
system
16.9344MHz)
3
XTO.
ie]
Crystal
oscillator
connection,
4
CKO
ie]
Oscillator
output
clock.
The
frequency
at
this
pin
is
the
same
as
the
frequency
on
the
XTI
pin.
5
Vss
i
Ground.
6
NC
E
7
DEEM
i
Mode
set
bit
clock
(used
to
set
the
mode
flags
and
the
attenuator
register).
8
MUTE
i
Mode
set
latch
enable
(used
to
set
the
mode
flags
and
the
attenuator
register).
(C601
9
RST
|
Device reset.
11
DOR
ie)
Right
channel
data
output
(OMOD
flag
=
Low
:
8fs
data
output;
OMOD
flag
=
High
:4fs
data
output).
12
DOL
°
Left
channel
data
output
(OMOD
flag
=
Low
:
8fs
data
output;
OMOD
flag
=
High
:
4fs
data
output),
13 WCKO
ie}
Qutput
word
clock.
14 VoD
:
Positive
supply
(5V).
15
BCKO
ie}
Output
data bit
clock.
16
LRCI
I
Input
data
word
clock.
LR
input
data
multiplexed
clock.
CD
system
at
normal
:
44.1kHz,
at
high
speed :
68.2kHz.
7 BCKI
ij input
data
bit
clack.
18
DIN
l Input
data.
1
1A
In.
2
1v
Out.
eee
3
2A
In.
4
2Y
Out.
§
3A
In.
17