23KVT-627DVD/627DVDY/717DVDKVT-737DVD/747DVD/767DVDPin No. Pin Name I/O Application1 SW_2 I 8cm Ej-STOP, Lo-START detection2 SW_3 I Lo-START detection3 CDON O CD-LD ON4 VDD3 - VDD (3.3V)5 VSS - VSS6 FG I Motor FG input7 SW_4 I Lo-END detection8,9 FADR17,18 O Address output to FLASH10 FADR11 O Address output to FLASH11 FADR9 O Address output to FLASH12 VDD15 - VDD (1.5V)13 FADR8 O Address output to FLASH14,15 FADR13,14 O Address output to FLASH16 NWE O Right signal output to FLASH17,18 FADR16,15 O Address output to FLASH19 DRAMVDD15 - DRAM power supply (1.5V)20 DRAMVSS - VSS for DRAM21 VSS - VSS22 FADR12 O Address output to FLASH23~30 FADR7~0 O Address output to FLASH31 VSS - VSS32 VDD3 - VDD (3.3V)33~40 FDT0~7 I/O Data input/output with FLASH41 NCE O Chip select signal output to FLASH42 FADR10 O Address output to FLASH43 NOE O Read signal output to FLASH44 MMOD I Test mode switching signal45 NRST I Reset input46 VSS - VSS47 SCLOCK I/O Dwire clock terminal48 SDATA I/O Dwire data terminal49 TxD/EXTRG0 I/OSerial transmission/Dwire trigger terminal50 RxD/EXTRG1 I/OSerial reception/Dwire trigger terminal51 VDD3 - VDD (3.3V)52 OSCI I Oscillation input (16.897849MHz)53 OSCO O Oscillation output (16.897849MHz)54 VSS - VSSPin No. Pin Name I/O Application55 OFS_TE O CD TE offset cancel output56 DRV1 O Drive output for spindle drive57 DRV2 O Focus balance adjustment output58 DVDON O DVD-LD ON59 STEP_A O Thread control output A60 STEP_B O Thread control output B61 Lo/Ej O Lo/Ej control terminal62 LO.MUTE O Lo/Ej mute terminal63 VSS - VSS64 DRV.MUTE O Driver mute control65 BMS O Spindle short brake control66 LIM-SW I LIM-SW detection67 Gain_SW O PDIC Gain switching68 FEPCK O FEP clock output69 FEPDT O FEP data output70 FEPEN O FEP enable signal71 DRAMVSS - VSS for DRAM72 DRAMVDD15 - DRAM power supply (1.5V)73 DRAMVDD33 - DRAM power supply (3.3V)74 VDD3 - VDD (3.3V)75 FG I Motor FG input76 TX O Output for digital OUT77 VDD15 - VDD (1.5V)78 VSS - VSS79 TSTSG O EQ calibration signal80 VFOSHORT O Not used.81 JLINE O J-line setting output82 BDO I Dropout signal input83 OFTR I Off-track signal input84 AVSSD - VSS for analog85 ROUT O MASH Rch audio output86 LOUT O MASH Lch audio output87 AVDDD - VDD (3.3V) for analog88 VCOF I JFVCO control voltage89 TRCRS I Track loss generation signal input90 AVDDC - VDD (3.3V) for analog91 WBLIN I WBL input92 CSLFLT I Not used93 RFDIF I Not usedMICROCOMPUTER’S TERMINAL DESCRIPTION● Disc Controller Microcomputer: MN103S71F (X37: IC4)www . xiaoyu163. comQQ 376315150 992894298TEL 13942296513 992894298051513673QQTEL 13942296513 QQ 376315150 892498299TEL 13942296513 QQ 376315150 892498299