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LC78622NE データシート(PDF) 7 Page - Sanyo Semicon Device

部品番号 LC78622NE
部品情報  Compact Disc Player DSP
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メーカー  SANYO [Sanyo Semicon Device]
ホームページ  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LC78622NE データシート(HTML) 7 Page - Sanyo Semicon Device

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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
VVSS
PLL pins
Internal VCO ground. Must be connected to 0 V.
5
ISET
AI
PDO output current adjustment resistor connection
6
VVDD
Internal VCO power supply
7
FR
AI
VCO frequency range adjustment
8
VSS
Digital system ground. Must be connected to 0 V.
9
EFMO
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.
Low-level output
13
CLV
O
Three-value output is also possible when specified by microprocessor command.
Low-level output
14
V/P
O
Rough servo/phase control automatic switching monitor output. Outputs a high level during rough servo and
Low-level output
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
High-level output
18
TGL
O
Tracking gain switching output. Increase the gain when low.
Undefined
19
JP+
O
Track jump output.
Low-level output
20
JP
O
Three-value output is also possible when specified by microprocessor command.
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
Undefined
the EFM signal and the internally generated synchronization signal agree.
23
VDD
Digital system power supply.
24
CONT1
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
Input
26
CONT3
I/O
General-purpose I/O pin 3
that are unused must be either set up as input ports and connected to 0 V,
Input
27
CONT4
I/O
General-purpose I/O pin 4
output ports and set up as left open.
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
34
PCCL
I
connected to 0 V.
High: Only the general-purpose I/O port commands are allowed.
Low: All commands are allowed.
35
MUTEL/CONT7
O
Left channel mute output/general-purpose I/O port 7
High-level output
36
LVDD
Left channel
Left channel power supply
37
LCHO
O
one-bit D/A converter
Left channel output
38
LVSS
Left channel ground. Must be connected to 0 V.
39
RVSS
Right channel ground. Must be connected to 0 V.
40
RCHO
O
Right channel
Right channel output
41
RVDD
one-bit D/A converter
Right channel power supply
42
MUTER/CONT8
O
Right channel mute output/general-purpose I/O port 8
High-level output
43
XVDD
Crystal oscillator power supply.
44
XOUT
O
Connections for a 16.9344 MHz crystal oscillator element
45
XIN
I
46
XVSS
Crystal oscillator ground. Must be connected to 0 V.
47
SBSY
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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