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TC9490FA Fiches technique(PDF) 4 Page - Toshiba Semiconductor

No de pièce TC9490FA
Description  Digital Servo Single-Chip Processor for Use in CD Player
Download  15 Pages
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Fabricant  TOSHIBA [Toshiba Semiconductor]
Site Internet  http://www.semicon.toshiba.co.jp/eng
Logo TOSHIBA - Toshiba Semiconductor

TC9490FA Fiches technique(HTML) 4 Page - Toshiba Semiconductor

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TC9490F/FA
2001-09-03
4
Pin No.
Symbol
I/O
Function Description
Remarks
22
AVSS3
¾
Analog GND pin.
¾
23
SLCO
O
AI/F
DAC output pin for data slice level generation.
Analog output
24
RFI
I
AI/F
RF signal input pin. Zin selectable by command.
Analog input
25
AVDD3
¾
Analog 3.3 V power supply voltage pin.
¾
26
RFCT
I
AI/F
RFRP signal center level input pin.
Analog input: Zin
= 33 kW
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 kW
33
FOO
O
Focus equalizer output pin.
34
TRO
O
AI/F
Tracking equalizer output pin.
Analog output
(AVSS3~AVDD3)
35
VREF
¾
Analog reference power supply voltage pin.
¾
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)
(AVDD3, VREF, AVSS3)
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
AVDD3
¾
Analog 3.3 V power supply voltage pin.
¾
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)
(AVDD3, VREF, AVSS3)
42
VSS3
¾
Digital GND pin.
¾
43
VDD3
¾
Digital 3.3 V power supply voltage pin.
¾
44
TESIN
I
3I/F
Test input pin. Normally, fixed to “L”.
¾
45
XVSS3
¾
System clock oscillator GND pin.
¾
46
XI
I
AI/F
System clock oscillator input pin.
¾
47
XO
O
AI/F
System clock oscillator output pin.
¾
48
XVDD3
¾
System clock oscillator 3.3 V power supply voltage pin.
¾
49
DVSS3
¾
DA converter GND pin.
¾
50
RO
O
AI/F
R-channel data forward output pin.
¾
51
DVDD3
¾
DA converter 3.3 V power supply pin.
¾
52
DVR
¾
Reference voltage pin.
¾
53
LO
O
AI/F
L-channel data forward output pin.
¾


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