50
MZ-N420D
Pin No.
51
52
53
54
55
56
57
58
59
60
61
62, 63
64 to 66
67
68
69
70
71
72
73
74
75
76
77
78 to 85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
I/O
I
O
O
O
O
I
I
I
I
—
O
—
O
O
O
O
O
O
I
I/O
O
O
O
O
—
—
—
I
I
I
I
I
I
O
O
O
O
O
I
I
O
O
I
O
O
O
O
O
O
O
Pin Name
ADDT
KRCK
XBCK
FS256
NC
NC
LRCKI
XBCKI
DATAI
NC
EXCS
NC
MNT0 to 2
MNT3
SENS
TX
RECP
EFMO
FMCK
OFTRK
XSKH
XSKL
DCLSOUTL
DCLSOUTR
TD0 to 7
TREQ
TACK
STOP_KEY
PROTECT
OPT_DET
XJACK_DET
XMIC_DET
OPEN_CLOSE_SW
XCS_ADC
XPD_ADC
XCHG_CTL
LCD_RST
XMUTE
XPATCH
SI0
SO0
SCK0
XGUM_ON
BEEP
XOPT_CTL
XHP_STBY
AOUT_SEL
REC_OPR_LED
NC
NC
Description
Data input from the external A/D converter (fixed at “L” in this set)
L/R sampling clock (44.1KHz) output to the external A/D converter Not used (open)
Bit clock (2.8224MHz) output to the external A/D converter Not used (open)
11.2896MHz clock output
Filter cutoff control signal output Not used (open)
Clock input from the external VCO Not used (open)
Input terminal for the PCM data I/F/ ATRAC data I/F Not used (open)
Input terminal for the PCM data I/F/ ATRAC data I/F Not used (open)
Input terminal for the PCM data I/F/ ATRAC data I/F Not used (open)
Not used (open)
Chip select signal output teminal for the external SDRAM Not used (open)
Not used (open)
DSP monitor (0) to (2) output terminal Not used (open)
DSP monitor (3) output terminal
DSP internal status (DSP SENS monitor) signal output terminal Not used (open)
Record data output enable signal output Not used (open)
Laser power changeover signal output Not used (open)
EFM encode data output for the record to the REC driver
FMCK signal input Not used (connected to the ground)
Tracking signal input/output Not used (open)
L circuit signal output Not used (open)
K-SHOCK circuit signal output Not used (open)
PWM modulator signal output for the D class headphone amplifier Not used (open)
PWM modulator signal output for the D class headphone amplifier Not used (open)
TigerI/F data 0 to 7 terminal Not used (open)
TigerI/F REQUEST terminal Not used (connected to the ground)
TigerI/F ACK terminal Not used (connected to the ground)
Stop key detection input terminal from the switch & liquid crystal display module Not used (open)
Detection signal input terminal of the record check claw from the protect detection switch “H”: protect
DIN plug detection signal input “H”: DIN plug detect Not used (open)
LINE IN plug detection signal input “L”: LINE or OPT plug detect Not used (open)
Microphone plug detection signal input “L”: microphone plug detect Not used (open)
Open/close detection switch of the upper panel input terminal “L”: when upper panel close
Chip select signal output to the A/D converter Not used (open)
Power supply control signal output to the A/D converter Not used (open)
Charge ON/OFF control signal output Not used (open)
Reset control signal output to the liquid crystal display module
Analog muting control signal output to the headphone amplifier “L”: muting ON Not used (open)
Patch function detection terminal “L”: patch function (fixed at “L” in this set)
Serial data input from the nonvolatile memory
Serial data output to the nonvolatile memory, liquid crystal display module and power control
Serial clock output to the nonvolatile memory, liquid crystal display module and power control
Rechargeable battery detection switch input terminal “L”: rechargeable battery in detect Not used (open)
Beep sound control signal output to the headphone amplifier Not used (open)
Power supply ON/OFF control signal output for the DIN PD drive Not used (open)
Power supply control signal output to the headphone amplifier Not used (open)
HP/LINE changeover signal output to the headphone amplifier Not used (open)
LED ON/OFF control signal output for the REC display Not used (open)
Power supply control signal output for the OP modulation Not used (open)
Power supply control signal output for the OP laser Not used (open)
