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參數(shù)資料
| 型號： | TC94A14FB |
| 廠商： | Toshiba Corporation |
| 英文描述： | Digital Servo Single-Chip Processor for Use in CD Player |
| 中文描述： | 數(shù)字伺服單芯片處理器的CD播放機(jī)的使用 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大?。?/td> | 207K |
| 代理商： | TC94A14FB |
TC94A14F/FA/FB
2002-11-18
3
Pin Functions
Pin No.
Symbol
I/O
Function Description
Remarks
1
BCK
O
3-5I/F
Bit clock output pin. 32fs, 48fs, or 64fs selectable by command.
Normal speed:
32fs 1.4112 MHz
2
LRCK
O
3-5I/F
L/R channel clock output pin. “L” for L channel and “H” for R
channel. Output polarity can be inverted by command.
Normal speed: 44.1 kHz
3
AOUT
O
3-5I/F
Audio data output pin. MSB-first or LSB-first selectable by
command.
4
DOUT
O
3-5I/F
Digital data output pin. Outputs up to double-speed playback.
Based on CP-1201
5
IPF
O
3-5I/F
Correction flag output pin. When set to “H”, AOUT output cannot
be corrected by C2 correction processing.
Alias: C2PO
6
V
DD3
Digital 3.3 V power supply voltage pin.
7
V
SS3
Digital GND pin.
8
SBOK
O
3-5I/F
Subcode Q data CRCC result output pin. “H” level when result is
OK.
9
CLCK
I/O
3-5I/F
Subcode P-W data read clock I/O pin. I/O polarity selectable by
command.
Schmitt input
10
DATA
O
3-5I/F
Subcode P-W data output pin.
11
SFSY
O
3-5I/F
Playback frame sync signal output pin.
12
SBSY
O
3-5I/F
Subcode block sync signal output pin. “H” level at S1 when
subcode sync is detected.
13
IO0
14
IO1
I/O
3-5I/F
General-purpose input / output pins.
Input port at reset.
Schmitt at input
15
PV
DD3
PLL-only 3.3 V power supply voltage pin.
16
PDO
O
AI/F
EFM and PLCK phase difference signal output pin.
4-state output
(PV
DD3
, HiZ, PV
REF
, AV
SS3
)
17
TMAX
O
AI/F
TMAX detection result output pin.
TMAX Detection Result
TMAX Output
Longer than fixed period
“PV
DD3
”
Within fixed period
“HiZ”
Shorter than fixed period
“AV
SS3
”
3-state output
(PV
DD3
, HiZ, AV
SS3
)
18
LPFN
I
AI/F
Inverted input pin for PLL LPF amp.
Analog input
19
LPFO
O
AI/F
Output pin for PLL LPF amp.
Analog output
20
PV
REF
PLL-only V
REF
pin.
21
VCOF
O
AI/F
VCO filter pin.
Analog output
22
AV
SS3
Analog GND pin.
23
SLCO
O
AI/F
DAC output pin for data slice level generation.
Analog output
24
RFI
I
AI/F
RF signal input pin. Zin selectable by command.
Analog input
25
AV
DD3
Analog 3.3 V power supply voltage pin.
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