tc94a09f TOSHIBA Semiconductor CORPORATION, tc94a09f Datasheet - Page 9

• Manufacturer Part Number: tc94a09f
• Description: Single-chip Cd Processor With Built-in Controller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

Number
Pin
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Symbol
RFGC
2V
RFRP
SBAD
TEBC
RFCT
V
RFZI
FMO
DMO
TEZI
FOO
TRO
SEL
FEI
TEI
REF
REF
CD processor control
input/output
Pin Name
RFRP signal center level input pin
RFRP zero-cross signal input pin
RF ripple signal input pin
Focus error signal input pin
Sub beam addition signal input pin
Tracking error input pin.
The pin is read at tracking servo on.
Tracking error/zero-cross signal input pin
Focus equalizer output pin
Tracking equalizer output pin
Analog reference voltage power supply pin
Control signal output pin for adjusting RF
amplitude.
Outputs tri-state PWM signal (PWM carrier =
88.2 kHz).
Tracking balance control signal output pin.
Outputs tri-state PWM signal (PWM carrier =
88.2 kHz).
Focus equalizer output pin.
Outputs tri-state PWM signal (PWM carrier =
88.2 kHz).
Disc equalizer output pin.
Outputs tri-state PWM signal (PWM carrier =
88.2 kHz for DSP block, in sync with PXO).
Analog reference voltage power supply pin
(2 ´ V
APC circuit on/off signal output pin.
At laser on, high impedance at UHS = High; H
level output at UHS = High.
REF
)
Function and Operation
9
RFCT
TEZI
RFZI
RFRP
SBAD
V
FEI
TEI
REF
R
out3
1 kW typ. 32 kW typ.
1 kW typ. 32 kW typ.
Remarks
Z
R
in2
AV
out3
V
TC94A09F
P2V
¾
¾
REF
2001-10-15
DD
REF
V
DD
AV
2V
AV
AV
AV
REF
DD
DD
DD
SS
~