TC94A09F Datasheet, PDF (9/19 Pages) Toshiba Semiconductor – Single-Chip CD Processor with Built-in Controller

Pin
Number
Symbol
59
RFCT
Pin Name
Function and Operation
RFRP signal center level input pin
TC94A09F
RFZI
Remarks
AV_DD
60
RFZI
RFRP zero-cross signal input pin
RFCT
1 kW typ. 32 kW typ.
61
RFRP
62
FEI
63
SBAD
64
TEI
65
TEZI
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
RFRP
FEI
SBAD
TEI
AV_DD
TEZI
AV_DD
Z_in2
V_REF
1 kW typ. 32 kW typ.
66
FOO
Focus equalizer output pin
CD processor control
input/output
67
TRO
Tracking equalizer output pin
68
V_REF
69
RFGC
70
TEBC
71
FMO
72
DMO
73
2V_REF
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_REF)
74
SEL
APC circuit on/off signal output pin.
At laser on, high impedance at UHS = High; H
level output at UHS = High.
R_out3
AV_DD
2V_REF~
AV_SS
¾
P2V_REF
R_out3
V_REF
¾
V_DD
9
2001-10-15