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| 型号： | TC9446FG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封装： | 14 X 20 MM, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件页数： | 15/41页 |
| 文件大小： | 562K |
| 代理商： | TC9446FG |
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TC9446FG
2005-09-28
22
4.
Read/Write of Command
Write and a read of command change with decode programs built in.
For details, please refer to program explanation data.
5.
Digital Audio Interface (DIR/DIT)
1)
A setup of DIR/DIT
The digital reception recovery (DIR) for the audio interfaces and the abnormal-conditions
transmission (DIT) based on CEI “IEC958 standard” and the JEITA “CP-1201 standard” are built in.
DIR corresponds to the input of 96 kHz sampling (2 channels). Please refer to program explanation
data about the various contents of a setting of DIR/DIT.
2)
VCO oscillation and PLL
Since VCO oscillation circuit is built in, PLL circuit can consist of connecting an external low path
filter simply. VCO oscillation circuit and the example of composition of PLL are shown in Figure 16.
Figure 16
VCO Oscillation Circuit and Example of Composition of PLL
Selector
Timing
generator
(A) Crystal/XI clock
Setting of command register
48
47
46
45
Phase detector
Frequency
detector
Demodulation
circuit
Modulation circuit
Clock output
XI
/C
KI
s
elec
tor
44
43
42
41
VDDA
DIR input
DIT output
40
37
34
31
VSSA
VSS
VSSA
LOCK
CKO
VSSA
CKI
AMPO
AMPI
PLON
VDDA
PDO
FCONT
RX
TXO
VDD/2
External clock input
(when CKI does not use, it
connect to VSS line.)
L: CKI/XI clock
H: VCO clock
VCO circuit
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