參數(shù)資料
型號： LC78624E
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)： 7/27頁
文件大?。?/td> 357K
代理商： LC78624E
Pin Functions
No. 5811-7/27
LC78624E
Pin No.
Symbol
I/O
Function
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
External 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
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 microcontroller command.
13
CLV
–
O
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.
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
18
TGL
O
Tracking gain switching output. Increase the gain when low.
19
JP
+
O
Track jump control output.
Three-value output is also possible when specified by microcontroller command.
20
JP
–
O
21
PCK
O
EFM data playback clock monitor. Outputs 4.3218 MHz when the phase is locked.
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.
23
V
DD
CONT1
–
Digital system power supply.
24
I/O
General-purpose I/O pin 1
25
CONT2
I/O
General-purpose I/O pin 2
Controlled by serial data commands from the microcontroller. Any of these that are unused
must be either set up as input ports and connected to 0 V, or set up as output ports and
left open.
26
CONT3
I/O
General-purpose I/O pin 3
27
CONT4
I/O
General-purpose I/O pin 4
28
CONT5
I/O
General-purpose I/O pin 5
29
EMPH
O
De-emphasis monitor pin. A high level indicates playback of a de-emphasis disk.
30
C2F
O
C2 flag output
31
DOUT
O
Digital output. (EIAJ format)
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.
34
TEST6
I
Test input. A pull-down resistor is built in. Must be connected to 0 V.
35
TEST7
O
Test output
36
LRSY
O
L/R clock output
37
CK2
O
ROMXA output
Bit clock output
38
ROMXA
O
Interpolated data output, not ROM output
39
SRDT
O
Text data output
40
DQSY
O
Text readout enable output
41
SCLK
I
Text shift clock input
42
TEST8
O
Test output
43
XV
DD
X
OUT
X
IN
XV
SS
SBSY
–
Crystal oscillator power supply.
44
O
Connections for a 16.9344 crystal oscillator element
45
I
46
–
Crystal oscillator ground. Must be connected to 0 V.
47
O
Subcode block synchronization signal output
48
EFLG
O
C1, C2, single and double error correction monitor pin
49
PW
O
Subcode P, Q, R, S, T, U, V and W output
50
SFSY
O
Subcode frame synchronization signal output. This signal falls when the subcodes are in the standby state.
Continued on next page.
相關(guān)PDF資料
PDF描述
LC78625E SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LC78625 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP
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
LC78626KE 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-Player Processor/Controller
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