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)
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