TC9490F Datasheet, PDF (4/15 Pages) Toshiba Semiconductor – Digital Servo Single-Chip Processor for Use in CD Player

Pin No.
22
23
Symbol
AV_SS3
SLCO
24
RFI
25
A_VDD3
26
RFCT
27
RFZI
28
RFRP
29
FEI
30
SBAD
31
TEI
32
TEZI
33
FOO
34
TRO
35
V_REF
36
RFGC
37
TEBC
38
SEL
39
A_VDD3
40
FMO
41
DMO
42
V_SS3
43
V_DD3
44
TESIN
45
XV_SS3
46
XI
47
XO
48
XV_DD3
49
DV_SS3
50
RO
51
DV_DD3
52
DVR
53
LO
I/O
Function Description
¾ Analog GND pin.
O DAC output pin for data slice level generation.
AI/F
I RF signal input pin. Zin selectable by command.
AI/F
¾ Analog 3.3 V power supply voltage pin.
I RFRP signal center level input pin.
AI/F
I RFRP signal zero-cross input pin.
AI/F
I RF ripple signal input pin.
AI/F
I Focus error signal input pin.
AI/F
I Sub-beam adder signal input pin.
AI/F
I Tracking error input pin. Inputs when tracking servo is on.
AI/F
I Tracking error signal zero-cross input pin.
AI/F
O ^{Focus equalizer output pin.}
O Tracking equalizer output pin.
AI/F
¾ Analog reference power supply voltage pin.
O RF amplitude adjustment control signal output pin.
AI/F
O Tracking balance control signal output pin.
AI/F
O APC circuit ON/OFF signal output pin. At laser on, high
AI/F impedance with UHS = “L”, H output with UHS = “H”.
¾ Analog 3.3 V power supply voltage pin.
O Feed equalizer output pin.
AI/F
O Disc equalizer output pin.
AI/F
¾ Digital GND pin.
¾ Digital 3.3 V power supply voltage pin.
I Test input pin. Normally, fixed to “L”.
3I/F
¾ System clock oscillator GND pin.
I System clock oscillator input pin.
AI/F
O System clock oscillator output pin.
AI/F
¾ System clock oscillator 3.3 V power supply voltage pin.
¾ DA converter GND pin.
O R-channel data forward output pin.
AI/F
¾ DA converter 3.3 V power supply pin.
¾ Reference voltage pin.
O L-channel data forward output pin.
AI/F
4
TC9490F/FA
Remarks
¾
Analog output
Analog input
¾
Analog input: Zin = 33 kW
Analog input
Analog input
Analog input
Analog input
Analog input
Analog input: Zin = 10 kW
Analog output
(AV_SS3~AV_DD3)
¾
3-state output
(PWM carrier = 88.2 kHz)
(AV_DD3, V_REF, AV_SS3)
3-state output
¾
3-state output
(PWM carrier = 88.2 kHz)
(AV_DD3, V_REF, AV_SS3)
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
¾
2001-09-03