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參數資料
| 型號： | LC78637E |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | 14 X 14 MM, QFP-80 |
| 文件頁數： | 3/20頁 |
| 文件大小： | 188K |
| 代理商： | LC78637E |
LC78637E
-11-
Pin
No.
Pin Name
I/O
State after
Reset
Function
41
LVDD
—
L channel power supply pin
42
LCHO
AO
LVDD /2
L channel output pin
43
LVSS
—
L channel D/A
converter
L channel ground pin. Must be connected to 0V.
44
RVSS
—
R channel ground pin. Must be connected to 0V.
45
RCHO
AO
LVDD /2
R channel output pin
46
RVDD
—
R channel D/A
converter
R channel power supply pin
47
XVDD
—
Crystal oscillation power supply pin
48
XOUT
O
Oscillation
49
XIN
I
Oscillation
For crystal oscillation
16.9344 MHz resonator connection pins
50
FSX/16MIN I/O
Input mode
7.35 kHz synchronization signal output pin, or DF/DAC external clock input
pin
51
XVSS
—
For crystal
oscillation
Crystal oscillation ground pin. Must be connected to 0V.
52
C2F
O
H
C2 flag output pin
53
EFLG
O
L
C1, C2 correction monitor pin
54
16MOUT
O
CLK output 16.9344 MHz output pin
55
ASLRCK
I
—
L/R clock input pin. (Connect to 0 V when not used.)
56
ASDACK
I
—
Bit clock input pin. (Connect to 0 V when not used.)
57
ASDFIN
I
—
For anti-shock
mode
L/R channel data input pin. (Connect to 0 V when not used.)
58
LRSY
O
L
L/R clock output pin
59
DATACK
O
L
Bit clock output pin
60
DATA
O
L
For digital data output
L/R channel data output pin
61
CE
I
—
Chip enable signal input pin
62
CL
I
—
Data transfer clock input pin
63
DI
I
—
Data input pin
64
DO
O
(H)
Data output pin (Nch open-drain output)
65
WRQ
OH
For microcomputer interface
Interrupt signal output pin
66
RES
I
—
LC78637E IC reset input pin. Drive to “L” level at power-on.
67
DRF
O
L
Focus ON detection pin
68
VDD5
—
Microcomputer interface power supply pin
69
VSS
—
Digital ground pin. Must be connected to 0 V.
70
CONT3
I/O
Input mode General-purpose I/O pin 3
71
CONT2
I/O
Input mode General-purpose I/O pin 2
72
CONT1
I/O
Input mode General-purpose I/O pin 1
Controlled by command from microcomputer.
When not used, set as input pin and connect to
0V or set as output pin and leave open.
73
PDO1
O
—
Built-in VCO control phase comparator output pin 1
74
PDO2
O
—
Built-in VCO control phase comparator output pin 2
75
VVDD
—
Built-in VCO power supply pin
76
PCKIST
AI
—
PDO1, PDO2 output current setting resistor connection pin
77
VVSS
—
For PLL
Built-in VCO ground pin. Must be connected to 0V.
78
SLCO
AO
—
Slice level control output pin
79
EFMIN
AI
—
For slice level control
RF signal input pin
80
RF
AO
—
RF signal output pin
Note: The same potential must be applied to all power supply pins (AVDD1, AVDD2, VVDD, VDD, LVDD,
RVDD, XVDD).
Pins operating on microcomputer interface power supply pin (VDD5V):
CE (pin 61), CL (pin 62), DI (pin 63), DO (pin 64), *WRQ (pin 65), *RES (pin 66), DRF (pin 67),
CONT1 (pin 72), CONT2 (pin 71), CONT3 (pin 70)
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