IC BLOCK DIAGRAM & DESCRIPTION
IC102 LC78622NE (Digital Signal Processor)
No. Pin Name I/OFunctionNo. Pin Name I/OFunction
1DEFII nput terminal for detect signal of defectI32TEST3I Test pin.
2TAII Input terminal for test.33TEST4I Test pin.
3PDOO The phase comparison output terminal for 34NC- Non connection.
external VCO control.35MUTELO Mute output terminal for L-ch
4VVSS- Ground terminal for built-in VCO
36LVDD- Power supply for L-ch
5ISETI Resistance connection terminal for
37LCHOO O utput terminal for L-ch
electric current adjustment of PDO output.
38LVSS- GND for L-ch
6VVDD- Built-in VCO power supply terminal.
39RVSS- GND for R-ch
7FRI VCO frequency range adjustment.
40RCHOOOutput terminal for R-ch
8VSS- Ground for Digital
41RVDD- Power supply for R-ch
9EFMOOEFM signal output terminal for slice level control.
42MUTERO Mute output terminal for R-ch
10EFMINI EFM signal input terminal for slice level control.
43XVDD- Power supply of crystal oscillation
11TEST2I TEST pin. Normal time is non connection.
44XOUTO C onnection terminal of crystal oscillation (16.9344MHz)
12CLV+O Output terminal for Disc motor control.
45XINI Connection terminal of crystal oscillation (16.9344MHz)
13CLV-O Output terminal for Disc motor control.
46XVSS- GND of crystal oscillation
14V/PO Change of rough servo / phase control
47SBSYO Output terminal for synchronizing signal of
Rough servo : "H", Phase control : "L"
sub-cord block
15HFLI Input terminal of track search signal.
48EFLGO Output terminal for correction monitor of C1, C2,
16TESI Input terminal of tracking error signal.
Single and Double
17TOFFO Output terminal of tracking off.
49PWO Output terminal for sub-cord of P, Q, R, S, T, U and W
18TGLO Output terminal for change of tracking gain.
50SFSYO Output terminal for synchronizing signal of
19JP+O Output terminal for tracking jump control.
sub-cord frame
20JP-O Output terminal for tracking jump control.
51SBCKI Input terminal for readout clock of sub-cord
21PCKO Clock monitor output terminal for EFM data
52FSXO Output terminal of Synchronizing signal (7.35kHz)
playback. (4.3218 MHz)
53WRQO Output terminal for standby of sub-cord Q output
22FSEQO Output terminal for detect of SYNC signal.
54RWCI Input terminal of read / write control
23DVDD- +5V
55SQOUTO Output terminal osub-cord Qf
24CONT1I/O
56COINI Input terminal of command from micro processor
25CONT2I/O This output can control at serial control from
26CONT3I/O micro processor.57CQCKI Clock input for reading sub-cord from SQOUT
27CONT4I/O58RESI Reset (turn on : L)
28CONT5I/O59TST11O Test pin
29EMPHOOutput terminal of de-emphasis monitor .6016MO 16.9344MHz
"H" : de-emphasis614.2MO 4.2336MHz
30C2FO Output terminal of C2 flag
62TEST5I Test pin
31DOUTO Output terminal of digital out
63CSI Chip select terminal
64TEST1I Test pin
TST11TEST2 TEST4
EFMOVVDD VVSSPDO ISET FRPCKTAITEST1 TEST3 TEST5VDD VSS
96 4357212596411323362238
DEFI1Slice levelVCO Clock Oscillator2K ~8bitRAM Address
ControlRAMGeneratorl
EFMIN10& Clock Control
Syncrnous Detect
FSEQ 22Interpolalation Mute30 C2F
EFM Demodulation
Billingual
Digital Out31 DOUT
CLV+12
CLVC1 C2 Error Detect &
CLV-13Digital ServoCorrect Control FlagDigital Attenuator
V/P14
PW49
SBCK51Subcode Dxract
Quadruple Over Sampling
SBSY47QCRC
SFSY50Digital Filter
CS63
WRQ 53?COM34 (NC)
SQOUT55Inter Fase1bit DAC
CQCK57
COIN56X'tal RootL.P.F
Servo CommanderGeneral Ports
RWC54Timing Generator
15 16 17 20 19 581824 25 26 27 28294860 61 46 52 45 44 4339 41 42403735 38 36
HFL TES TOFF JP- JP+RESTGLCONT1 CONT3 CONT5 EMPH EFLG16M 4.2MFSX XINXVDDRVDDRCHOLCHO MUTELLVDD
CONT2 CONT4XVSSXOUTRVSS MUTERLVSS
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