參數(shù)資料
型號: TC94A14FA
廠商: Toshiba Corporation
英文描述: Digital Servo Single-Chip Processor for Use in CD Player
中文描述: 數(shù)字伺服單芯片處理器的CD播放機(jī)的使用
文件頁數(shù): 4/17頁
文件大?。?/td> 207K
代理商: TC94A14FA
TC94A14F/FA/FB
2002-11-18
4
Pin No.
Symbol
I/O
Function Description
Remarks
26
RFCT
I
AI/F
RFRP signal center level input pin.
Analog input: Zin 33 k
27
RFZI
I
AI/F
RFRP signal zero-cross input pin.
Analog input
28
RFRP
I
AI/F
RF ripple signal input pin.
Analog input
29
FEI
I
AI/F
Focus error signal input pin.
Analog input
30
SBAD
I
AI/F
Sub-beam adder signal input pin.
Analog input
31
TEI
I
AI/F
Tracking error input pin. Inputs when tracking servo is on.
Analog input
32
TEZI
I
AI/F
Tracking error signal zero-cross input pin.
Analog input: Zin 10 k
33
FOO
O
AI/F
Focus equalizer output pin.
34
TRO
O
AI/F
Tracking equalizer output pin.
Analog output
(AV
SS3
~AV
DD3
)
35
V
REF
Analog reference power supply voltage pin.
36
RFGC
O
AI/F
RF amplitude adjustment control signal output pin.
37
TEBC
O
AI/F
Tracking balance control signal output pin.
3-state output
(PWM carrier 88.2 kHz)
(AV
DD3
, V
REF
, AV
SS3
)
38
SEL
O
AI/F
APC circuit ON/OFF signal output pin. At laser on, high
impedance with UHS “L”, H output with UHS “H”.
3-state output
39
AV
DD3
Analog 3.3 V power supply voltage pin.
40
FMO
O
AI/F
Feed equalizer output pin.
41
DMO
O
AI/F
Disc equalizer output pin.
3-state output
(PWM carrier 88.2 kHz)
(AV
DD3
, V
REF
, AV
SS3
)
42
V
SS3
Digital GND pin.
43
V
DD3
Digital 3.3 V power supply voltage pin.
44
TESIN
I
3I/F
Test input pin. Normally, fixed to “L”.
45
XV
SS3
System clock oscillator GND pin.
46
XI
I
AI/F
System clock oscillator input pin.
47
XO
O
AI/F
System clock oscillator output pin.
48
XV
DD3
System clock oscillator 3.3 V power supply voltage pin.
49
DV
SS3
DA converter GND pin.
50
RO
O
AI/F
R-channel data forward output pin.
51
DV
DD3
DA converter 3.3 V power supply pin.
52
DVR
Reference voltage pin.
53
LO
O
AI/F
L-channel data forward output pin.
54
DV
SS3
DA converter GND pin.
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