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CD-MPX100E
IC1 VHiLC78690E-1: MP3 Decoder/Digital Signal Processor (LC78690E) (2/2)
Pin No.
Terminal Name
Input/Output
51
CONT1
52
CONT0
53
TEST0
54
STREQ
55
STCK
56
STDATA
57
TEST1
58*
DATA
59*
DATACK
60*
LRSY
61
VVDD2
62
VPREF2
63
VCOC2
64
VPDOUT2
65
VVSS2
66
DVDD1.8
67
DVSS
68
DVDD
69*
DOUT
70*
AMUTEB
71
XVSS
72
XOUT
73
XIN
74
XVDD
75
LCHO
76
LRVDD
77
LRVSS
78
RCHO
79
AVDD
80
SLCO
In this unit, the terminal with asterisk mark (*) is (open) terminal which is not connected to the outside.
Setting In Reset
Input/Output
INPUT
Input/Output
INPUT
Input
L
Input/Output
INPUT
Input/Output
INPUT
Input/Output
INPUT
Input
L
Output
L
Output
L
Output
L
Input
—
Input
INPUT
Input
INPUT
Output
UNSTABLE
—
—
Output
H
—
—
Input
—
Output
L
Output
L
—
—
Output
OSCILLATING
Input
OSCILLATING
Input
—
Output
LRVDD/2
Input
—
—
—
Output
LRVDD/2
Input
—
Output
UNSTABLE
General Purpose I/O pin 1 Controlled by command from the microprocessor.
Any of these that are unused must be either set up
General Purpose I/O pin 0
as input pin ports and connected to 0V, or set up as
output pin ports and left open.
Test input pin 1. This pin must always be connected to 0V.
Stream data request output pin.
Stream data bit clock usage input pin.
Stream data input pin.
Test input pin 0. This pin must always be connected to 0V.
Left/Right clock output pin.
Bit clock output pin.
Left/Right channel data output pin.
For use by
Built-in VCO power supply pin 2.
the EFM
Built-in VCO control oscillator range setting input pin.
PLL Circuit
Built-in VCO control voltage setting input pin.
Built-in VCO control output pin 2.
Built-in VCO GND pin. This pin must always be connected to 0V.
Supply voltage connect to condenser for digital circuit.
Digital GND pin. This pin must always be connected to 0V.
Digital power supply pin.
Digital output pin. EIAJ format
AMUTEB output pin.
Digital GND pin. This pin must always be connected to 0V
Crystal
Connections for a 16.9344 MHZ oscillator element.
oscillator
Digital power supply pin.
D/A con-
Left channel output supply pin.
verter
LR channel power supply pin.
LR channel GND pin. This pin must always be connected to 0V.
Right channel input supply pin.
Analog power supply pin.
Slice level control output pin.
8 – 2
Function
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