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參數資料
| 型號： | LC78630E |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 33/33頁 |
| 文件大小： | 432K |
| 代理商： | LC78630E |
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No. 5121-9/33
LC78630E
Pin No.
Symbol
I/O
Function
51
XVSS
Crystal oscillator ground. Normally 0 V.
52
XOUT
O
16.9344 MHz crystal oscillator connections. Use a 33.8688 MHz crystal oscillator for quad-speed playback.
53
XIN
I
54
XVDD
Crystal oscillator power supply.
55
RVSS
Right channel ground. Normally 0 V.
56
RCHN
O
One-bit D/A
Right channel N output
57
RCHP
O
converter pins
Right channel P output
58
RVDD
Right channel power supply.
59
MUTER
O
Right channel mute output
60
SBSY
O
Subcode block synchronization signal output
61
EFLG
O
C1 and C2 error correction state monitor
62
PW
O
Subcode P, Q, R, S, T, U, V, and W output
63
SFSY
O
Subcode frame synchronization signal output. Falls when the subcode output goes to the standby state.
64
SBCK
I
Subcode readout clock input. This is a Schmitt input.
65
DOUT
O
Digital output
66
FSX
O
Outputs a 7.35 kHz synchronization signal generated by dividing the crystal oscillator frequency.
67
WRQ
O
Subcode Q output standby output
68
RWC
I
Read/write control input
69
SQOUT
O
Subcode Q output
70
COIN
I
Input for commands from the control microprocessor
71
CQCK
I
Command input acquisition clock. Also used as the SQOUT subcode readout clock input. This is a Schmitt input.
72
RES
I
Chip reset input. This pin must be set low temporarily when power is first applied.
73
TESTF
O
Test output
74
CONT2
O
Output port
75
16M
O
16.9344 MHz output. 33.8688 MHz output in 4
× playback mode
76
4.2M
O
4.2336 MHz output
77
TEST5
I
Test input. A pull-down resistor is built in.
78
CS
I
Chip select input. A pull-down resistor is built in. Must be connected to ground if unused.
79
DEFI
I
Defect detection signal input. Must be connected to ground if unused.
80
VCOC
I
Variable pitch VCO control input. Must be connected to ground if unused.
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