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參數(shù)資料
| 型號(hào)： | TC94A29FB |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | 12 X 12 MM, 0.65 MM PITCH, PLASTIC, QFP-64 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大?。?/td> | 273K |
| 代理商： | TC94A29FB |
TC94A29FAG/FB
2003-04-01
11
Pin
No.
Symbol
Pin Name
Function and Operation
Remarks
35
RFGC
Control signal output pin for adjusting RF
amplitude. Drives three-level PWM signal
(PWM carrier
= 88.2 kHz).
36
TEBC
Tracking balance control signal output pin.
Drives three-level PWM signal
(PWM carrier
= 88.2 kHz).
37
SEL
APC circuit ON/OFF signal output pin. When
laser is turned on, this pin will be in a
high-impedance state.
38
FMO
Feed equalizer output pin. Drives three-level
PWM signal (PWM carrier
= 88.2 kHz).
39
DMO
CD processor control
input/output pin
Disc equalizer output pin. Drives three-level
PWM signal (PWM carrier
= 88.2 kHz).
40
CVDD
43
CVSS
Power supply pins
Logic power supply pins for the CD processor
block and 16.9344-MHz dedicated crystal
oscillator. Normally, the same power supply as
that for the MVDD and MVSS pins is connected.
In CD standby mode, current dissipation
decreases.
41
XO
42
XI
Crystal oscillator pins
Input/output pins for the CD
processor-dedicated crystal oscillator. Connect
a 16.9344-MHz crystal oscillator. This clock is
used as the CD processor system clock and
controller system clock. Upon a system reset,
this clock is supplied as the controller system
clock and starts the CPU.
The crystal oscillator can be stopped by
program. If the 75/32.768-kHz or CR oscillator is
selected as the controller system clock, the CD
processor oscillator is stopped by program
when the CD processor is turned off.
(Note) When switching the controller system
clock from the controller oscillator to the
CD crystal oscillator, make sure that the
CD crystal oscillator is sufficiently
stable.
AVDD
CVDD
CVSS
XO
Rout1
RfXT1
XI
CVDD
CVSS
AVDD
VREF
Rout3
AVDD
VREF
Rout3
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