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Pin No.
Mark
1
BCLK
O
2
LRCK
O
3
SRDATA O
4
DVDD1
I
5
DVSS1
I
6
TX
O
7
MCLK
I
8
MDATA
I
9
MLD
I
10
SENSE
O
11
/FLOCK
O
12
/TLOCK
O
13
BLKCK
O
14
SQCK
I
15
SUBQ
O
16
DMUTE
I
17
STAT
O
18
/RST
I
I/O
Function
N.C.
N.C.
N.C.
Power supply input
(for digital circuit)
GND (for digital
circuit)
Digital audio
interface signal
output (Latches data
at first transition)
Microprocessor
command clock
signal input
Microprocessor
command data signal
input
Microprocessor
command load signal
input
Sense signal output
(OFT,
FESL,MAGEND,
NAJEND,POSAD,SFG)
(Not used, open)
Focus servo feeding
signal output ("L" :
Feed)
Tracking servo
feeding signal output
("L" : Feed)
Sub-code block clock
signal output
(BLKCKf = 75Hz
during normal
playback)
External clock signal
input for sub-code Q
resistor
Sub-code Q code
output
Muting input ("H" :
mute)
Status signal output
(CRC,CUE,CLVS,
TTSTVP,FCLV,SQCK)
Reset signal input
37
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