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IC DESCRIPTION-1/1 (LC78646)-2/3
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3 7 63 1515 0
Pin No.
Pin Name
41
LVDD
42
LCHO
43
LVSS
44
RVSS
45
RCHO
46
RVDD
47
XVDD
48
XOUT
49
XIN
50
FSX/16MIN
51
XVSS
52
C2F
53
EFLG
54
16MOUT
55
ASLRCK
56
ASDACK
57
ASDFIN
TE
L 13942296513
58
LRSY
59
DATACK
60
DATA
61
CE
62
CL
63
DI
64
DO
65
WRQ
66
RES
67
DRF
68
VDD5
69
VSS
70
CONT3
71, 72
CONT2, 1
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I/O
—
O
L channel D/A converter
—
—
O
R channel D/A converter
—
—
O
Crystal oscillator
I
7.35kHz synchronization signal output pin.
I/O
DF, DAC external clock input pin. (Not connected)
—
Crystal oscillator
O
C2 flag output pin. (Not connected)
O
C1, C2 error correction monitor pin. (Not connected)
O
16.9344MHz output pin. (Not connected)
I
I
Antishock mode
I
O
O
Digital data output
O
I
I
I
Microprocessor interface
O
O
Reset input pin.
I
This pin must be set low briefly after power is first applied.
O
Focus ON detect pin.
—
Microprocessor interface power supply pin.
—
Digital ground pin. Must be connected to 0V.
I/O
General-purpose output pin 3. (Not connected)
I/O
General-purpose output pin 2, 1.
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2 9
8
Description
Lchannel power supply pin.
L channel output pin.
L channel ground pin. Must be connected to 0V.
R channel ground pin. Must be connected to 0V.
R channel output pin.
R channel power supply pin.
Crystal oscillator power supply pin.
Connection for a 33.8688MHz crystal oscillator pin.
Crystal oscillator ground pin.
Must be connected to 0V.
L/R clock input pin. Must be connected to 0V when unused.
Bit clock input pin. Must be connected to 0V when unused.
L/R channel data input pin. Must be connected to 0V when
Q Q
3
6 7
1 3
1 5
unused.
L/R clock output pin. (Not connected)
Bit clock output pin. (Not connected)
L/R channel data output pin. (Not connected)
Chip enable signal input pin.
Data transfer clock input pin.
Data input pin.
Data output pin. (Nch open drain output)
Interruption signal output pin.
co
.
-18-
9 4
2 8
0 5
8
2 9
9 4
2 8
Controlled by commands from the
microprocessor .
Must be set as an input pin and connected to
0V or set as an output pin and left open
m
when unused.
9 9
9 9
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