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參數(shù)資料
| 型號(hào)： | LC78604E |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 14 X 14 MM, QFP-64 |
| 文件頁數(shù)： | 9/11頁 |
| 文件大?。?/td> | 94K |
| 代理商： | LC78604E |
No.7734-7/11
LC78604E
Pin No.
Pin Name
I/O
Function
Pin state when
CDRESB is low
TUNERESB is low
1
EFMI
I
EFM signal input
—
2
DRF
I
DRF signal input
—
3
DEFI
I
Defect detection signal (DEF) input
—
(Must be connected to ground if unused.)
4
CLK
O
ASP system clock output (132.3kHz [16.9344MHz/128])
Clock output
Undefined
RW support control signal
5
RWB
O
Low-level output: Indicates that a CD-RW disc is being played
Low-level output
Undefined
High-level output: Indicates that a CD-DA/R disc is being played
6
RWC
O
Command write control signal output
Low-level output
Undefined
7
COIN
O
Command data signal output
High-level output
Undefined
8
CQCKB
O
Command data transfer clock signal output
High-level output
Undefined
Sync signal detection output monitor
9
FSEQ
O
A high level is output when the sync signal detected from the EFM signal
Low-level output
Undefined
matches the internally generated sync signal.
Spindle motor control signal output
10
CLVO
O
Low-level output: Decelerate
High-impedance
Undefined
High-level output: Accelerate
output
High-impedance output: Neither accelerate nor decelerate
11
HFL
I
Track detection signal input (Schmitt trigger input)
—
Track jump control signal output
Low-level output: When moving away from the center: decelerate
12
JPO
O
When moving towards the center: accelerate
High-impedance
Undefined
High-level output: When moving away from the center: accelerate
output
When moving towards the center: decelerate
High-impedance output: Neither accelerate nor decelerate
13
TES
I
Tracking error signal input (Schmitt trigger input)
—
Tracking off signal output
High-impedance
14
TOFF
O
Low-level output: Tracking on
output
Undefined
High-level output: Tracking off
15
TGL
O
Tracking gain switching signal output
Undefined
Low-level output: Gain increase
16
DVSS
—
Digital system ground. This pin must be connected to the 0V level.
—
17
DVDD
—
Digital system power supply
—
18
SL+
O
Sled feed signal outputs
Low-level output
Undefined
19
SL–
O
Low-level output
Undefined
20
DMUTEB
O
Driver muting control signal output
Low-level output
Undefined
Low-level output: When the driver is muted
21
AMUTEB
O
Audio muting control signal output
Low-level output
Undefined
Low in audio mute mode
22
MODE
I
Operating mode selection
—
This pin must be connected to the 0V level.
23
LCHO
O
D/A converter left channel signal output
Undefined
24
LRVDD
—
D/A converter power supply
—
25
LRVSS
—
D/A converter ground. This pin must be connected to the 0V level.
—
26
RCHO
O
D/A converter right channel signal output
Undefined
27
XVSS
—
Digital system ground. This pin must be connected to the 0V level.
—
28
XOUT16M
O
Connections for a 16.9344MHz crystal oscillator element.
Clock output
Undefined
29
XIN16M
I
(Oscillation is stopped when TUNERESP is high.)
—
30
XVDD
—
Digital system power supply
—
31
XOUT32K
O
Connections for a 32.768kHz crystal oscillator element.
Undefined
Clock output
32
XIN32K
I
(Oscillation is stopped when CDRESB is high.)
—
33
DIG4
O
Digital output (4)
High-level output
34
DIG3
O
Digital output (3)
High-level output
35
DIG2
O
Digital output (2)
High-level output
36
DIG1
O
Digital output (1)
High-level output
37
SEG1
O
Segment output (1)
High-level output
38
SEG2
O
Segment output (2)
High-level output
39
SEG3
O
Segment output (3)
High-level output
40
SEG4
O
Segment output (4)
High-level output
41
SEG5
O
Segment output (5)
High-level output
42
SEG6
O
Segment output (6)
High-level output
43
SEG7
O
Segment output (7)
High-level output
Pin Functions
Continued on next page.
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