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參數(shù)資料
| 型號： | LC78622NE |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Compact Disc Player DSP(用于CD播放器的8位DSP) |
| 中文描述： | 光碟機(jī)的DSP（用于光盤播放器的8位數(shù)字信號處理器） |
| 文件頁數(shù)： | 7/31頁 |
| 文件大?。?/td> | 338K |
| 代理商： | LC78622NE |
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No. 6015-7/31
LC78622NE
Pin Functions
Pin No.
Symbol
I/O
Function
Output pin states
during a reset
1
DEFI
I
Defect detection signal (DEF) input. (Must be connected to 0 V when unused.)
—
2
TAI
I
Test input. A pull-down resistor is built in. Must be connected to 0 V.
—
3
PDO
O
Internal VCO control phase comparator output
—
4
VV
SS
ISET
–
PLL pins
Internal VCO ground. Must be connected to 0 V.
—
5
AI
PDO output current adjustment resistor connection
—
6
VV
DD
FR
–
Internal VCO power supply
—
7
AI
VCO frequency range adjustment
—
8
V
SS
EFMO
–
Digital system ground. Must be connected to 0 V.
—
9
O
Slice level control
EFM signal output
Undefined
10
EFMIN
I
EFM signal input
—
11
TEST2
I
Test input. A pull-down resistor is built in. Must be connected to 0 V.
—
12
CLV
+
O
Disc motor control output.
Three-value output is also possible when specified by microprocessor command.
Low-level output
13
CLV
–
O
Low-level output
14
V/P
O
Rough servo/phase control automatic switching monitor output. Outputs a high level during rough servo and
a low level during phase control.
Low-level output
15
HFL
I
Track detection signal input. This is a Schmitt input.
—
16
TES
I
Tracking error signal input. This is a Schmitt input.
—
17
TOFF
O
Tracking off output
High-level output
18
TGL
O
Tracking gain switching output. Increase the gain when low.
Undefined
19
JP
+
O
Track jump output.
Three-value output is also possible when specified by microprocessor command.
Low-level output
20
JP
–
O
Low-level output
21
PCK
O
EFM data playback clock monitor. Outputs 4.3218 MHz when the phase is locked.
Low-level output
22
FSEQ
O
Synchronization signal detection output. Outputs a high level when the synchronization signal detected from
the EFM signal and the internally generated synchronization signal agree.
Undefined
23
V
DD
CONT1
–
Digital system power supply.
—
24
I/O
General-purpose I/O pin 1
Input
25
CONT2
I/O
General-purpose I/O pin 2
Controlled by serial data commands from the microprocessor. Any of these
that are unused must be either set up as input ports and connected to 0 V,
output ports and set up as left open.
Input
26
CONT3
I/O
General-purpose I/O pin 3
Input
27
CONT4
I/O
General-purpose I/O pin 4
Input
28
CONT5
I/O
General-purpose I/O pin 5
Input
29
EMPH/CONT6
O
De-emphasis monitor pin. A high level indicates playback of a emphasis disk./general-purpose I/O port 6
Low-level output
30
C2F
O
C2 flag output
Undefined
31
DOUT
O
Digital output. (EIAJ format)
Undefined
32
TEST3
I
Test input. A pull-down resistor is built in. Must be connected to 0 V.
—
33
TEST4
I
Test input. A pull-down resistor is built in. Must be connected to 0 V.
—
General-purpose I/O command identification pin. A pull-down resistor is built in.
If only the same functions as those provided by the LC78622E are used, this pin must be left open or
connected to 0 V.
High: Only the general-purpose I/O port commands are allowed.
Low: All commands are allowed.
34
PCCL
I
—
35
MUTEL/CONT7
O
Left channel mute output/general-purpose I/O port 7
High-level output
36
LV
DD
LCHO
–
Left channel
one-bit D/A converter
Left channel power supply
—
37
O
Left channel output
—
38
LV
SS
RV
SS
RCHO
–
Left channel ground. Must be connected to 0 V.
—
39
–
Right channel ground. Must be connected to 0 V.
—
40
O
Right channel
one-bit D/A converter
Right channel output
—
41
RV
DD
–
Right channel power supply
—
42
MUTER/CONT8
O
Right channel mute output/general-purpose I/O port 8
High-level output
43
XV
DD
X
OUT
X
IN
XV
SS
SBSY
–
Crystal oscillator power supply.
—
44
O
Connections for a 16.9344 MHz crystal oscillator element
—
45
I
—
46
–
Crystal oscillator ground. Must be connected to 0 V.
—
47
O
Subcode block synchronization signal output
Undefined
48
EFLG
O
C1, C2, single and double error correction monitor pin
Undefined
49
PW
O
Subcode P, Q, R, S, T, U, V and W output
Undefined
50
SFSY
O
Subcode frame synchronization signal output. This signal falls when the subcodes are in the standby state.
Undefined
Continued on next page.
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相關(guān)代理商/技術(shù)參數(shù) |
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| LC78624E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP |
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| LC78625E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP |
| LC78626 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
| LC78626E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
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