Technics SL-PD7 - 11.2 IC702 (MN662790 RSC) Servo processor; Digital signal processor; Digital filter; D;A converter

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11.2 IC702 (MN662790RSC) Servo processor/ Digital
signal processor/ Digital filter/ D/A converter
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Pin
No.
Mark I/O Function
1 BCLK O N.C.
2 LRCK O N.C.
3 SRDATA O N.C.
4 DVDD1 I Power supply input (for digital circuit)
5 DVSS1 I GND (for digital circuit)
6 TX O Digital audio interface signal output (Latches data at first transition)
7 MCLK I Microprocessor command clock signal input
8 MDATA I Microprocessor command data signal input
9 MLD I Microprocessor command load signal input
10 SENSE O Sense signal output (OFT, FESL,MAGEND,NAJEND, POSAD,SFG) (Not used, open)
11 /FLOCK O Focus servo feeding signal output (“L” : Feed)
12 /TLOCK O Tracking servo feeding signal output (“L” : Feed)
13 BLKCK O Sub-code block clock signal output (BLKCKf = 75Hz during normal playback)
14 SQCK I External clock signal input for sub-code Q resistor
15 SUBQ O Sub-code Q code output
16 DMUTE I Muting input (“H” : mute)
17 STAT O Status signal output(CRC,CUE,CLVS,TTSTVP,/FCLV,SQCK)
18 /RST I Reset signal input
19 SMCK O 1/2-diveded clock signal of crystal osscillating at MSEL = “H” (fSMCK = 8.4672 MHz) 1/4-divided clock signal of crystal oscillating at MSEL = “L”
(fSMCK = 4.2336MHz)
20 CSEL I Frequency Selection Terminal H = 33.8688 MHz ; L = 16.9344 MHz
21 TRV O N.C
22 TVD O Traverse drive output
23 PC O Spindle motor ON output ("L" : ON)
24 ECM O Spindle motor drive signal output(forced mode output)
25 ECS O Spindle motor drive signal output(servo error signal output)
26 KICK O N.C.
27 TRD O Tracking drive output
28 FOD O Focus drive output
29 VREF I D/A (drive) output (TVD, ECS, TRD, FOD, FBAL, TBAL) Reference voltage input
30 FBAL O Focus balance adjustment output
31 TBAL O Tracking balance adjustment output
32 FE I Focus error signal input (analog input)
33 TE I Tracking error signal input (analog input)
34 RFENV I RF envelope signal input
35 VDET I Vibration detection signal input ("H" :detection)
36 OFT I Off-track signal input ("H" : off track)
37 TRCRS I Track cross signal input
38 /RFDET I RF detection signal input ("L" : detection)
39 BDO I Dropout signal input ("H" : Dropout)
40 LDON O Laser on signal output ("H" : ON)
41 PLLF2 I/O N.C.
42 DSLF2 O Tracking Offset alignment output/DSL Balance Output (DA Output)
43 WVEL O N.C.
44 ARF I RF signal input