Read Sony PCM-R300 Service Manual online
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Pin No
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93 to 100
Pin Name
SELC
MUTA
PLCO
PLVR
PLRF
MSSL
RX
VDD
TX
SELA
EXSY
EXSN
F128
F256
F512
ADLF
DALF
XT2O
XT2I
VSS
XT3O
XT3I
FSEN
LR03
LR02
LR01
LRCK
WCK
XBCK
BCK
ADDT
DADT
DADO
ADDI
ADDN
ERRI
ERRF
MUTG
D7
D6 to D2
VSS
D1
D0
A0 to A7
I/O
I
I
I
O
O
I
I
—
O
I
I/O
I/O
I/O
O
O
I
I
O
I
—
O
I
I
O
O
O
I/O
O
O
I/O
I
O
I
O
I
I
O
O
I/O
I/O
—
I/O
I/O
O
Function
Oscillation frequency select signal input (Fixed at “L”)
Mute input
“H”: Mute. Also mutes REC monitor sound
RX-PLL external VCO clock input (512 fs as reference)
Not used
Not used
Master mode/slave mode select
“H”: Master (Fixed at “H”)
Digital interface signal input
Power supply (+5V)
Digital interface signal output
Test pin (Fixed at “H”)
External sync signal input/output
Not used
ADTT, ADDI, ADDN serial data LSB/MSB first select input
“H”: LSB first
(Fixed at “L”)
DADT, DADO serial data LSB/MSB first select input
“H”: LSB first (Fixed at “L”)
Crystal oscillation circuit 2 output (22 MHz)
Crystal oscillation circuit 2 input (22 MHz)
Ground
Crystal oscillation circuit 3 output (24 MHz)
Crystal oscillation circuit 3 input (24 MHz)
F128, BCK, LRCK input/output select input
“H”: Output (Fixed at “H”)
Inverted signal of LRCK 16 BCK delay output (Not used)
Not used
fs/2 fs (At 2
X
speed) signal input/output
Not used
Outputs inverted signal of BCK
64 fs/128 fs (At 2
X
speed) signal input/output
A/D serial data input
D/A serial data output
Audio data input for digital OUT
Digital IN audio data output
Digital IN audio data input
Validity flag data input for digital OUT
DADT data compensation data/discrimination signal output
“H”: Compensation data
Not used
External RAM data input/output (MSB)
External RAM data input/output
Ground
External RAM data input/output
External RAM data input/output (LSB)
External RAM address output
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