– 40 –
Pin No.
Pin Name
I/O
Pin Description
51
KEY-C4A
I
Key input terminal (A/D input)
52
AVSS
—
Ground terminal (for A/D converter)
53
AVREF
—
Reference voltage (+3.3V) input terminal (for A/D converter)
54
AVDD
—
Power supply terminal (+3.3V) (for A/D converter)
55 – 58
KEY C3A – C0A
I
Key input terminal (A/D input)
59
3.3V-SHORT
I
AU 7.5V short test pin
60 – 62
KEY AD2 – AD0
I
Key input terminal (A/D input) (TOP board)
63
MD-PDOWN
O
Power down signal output to the MD mechanism controller (IC601) “L”: remove the AC
power cord
64
MD-SRTS
O
System controller busy status monitor output to the MD mechanism controller (IC601)
65
MD-SCTS
I
MD mechanism controller busy status monitor input from the MD mechanism controller (IC601)
66
MD-RST
O
Power supply on/off control signal output for the MD mechanism controller (IC601)
”H”: power on
67
MD-H
O
MD play control signal output to the A/D, D/A converter (IC603) “L”: MD playback mode
68
REC-H
O
MD REC control signal output to the A/D, D/A converter (IC603) “L”: MD recording mode
69
MD-SRXD
O
UART communication data input from the MD mechanism controller (IC601)
70
MD-STXD
I
UART communication data output to the MD mechanism controller (IC601)
71, 72
NC
—
Not used
73
CD-12/8
O
Servo setting when CD operates faster.
74
CD-HISPEED
O
CD higher speed setting
75
CD-POWER
O
CD servo system power supply on/off control signal output “L”: power on
76
CD-MUTE
O
Muting on/off control signal output for the CD playback signal “L”: muting on
77
NC
—
Not used
78
CD-CSOR
I
Subcode sync (S0+S1) detection signal input from the CD DSP IC (IC702)
79
CD-SQSO
I
Subcode Q data input from the CD DSP IC (IC702)
80
CD-XRST
O
Reset signal output to the CD RF AMP (IC701), CD DSP IC (IC702)
81
CD-SQCK
O
Subcode Q data reading clock signal output to the CD DSP IC (IC702)
82
CD-SENSE1
I
Internal status (SENSE) input from the CD DSP IC (IC702)
83
CD-DATA
O
Serial data output to the CD DSP IC (IC702)
84
CD-XLAT
O
Serial data latch pulse signal output to the CD DSP IC (IC702)
85
RMC
I
Sircs remote control signal input from the remote control receiver (IC602)
86
TEX
O
Sub system clock output terminal (32.768 kHz)
87
TX
I
Sub system clock input terminal (32.768 kHz)
88
VSS
—
Ground terminal
89
VDD
—
Power supply terminal (+3.3V)
90
NC
—
Not used
91
CD-CLK
O
Serial data transfer clock signal output to the CD DSP IC (IC702)
92
CD-SENSE2
I
Internal status (SENSE) input from the CD DSP IC (IC702)
93
CD-FOK
I
Focus OK signal input terminal Not used (open)
94
STBY-CTR
O
Power saving mode selection “H”: normal, “L”: Power saving mode
95
ACCHK
I
AC power supply detection signal input “L”: AC in
96
NC
—
Not used
97
PCON
O
Power on/off control signal output “L”: standby mode, “H”: power on
98
AMUTE
O
Audio muting on/off control signal output “H”: muting on
99
TU-LED
I
Input the signal for band tuning check from the tuner IC.
100
NC
—
Not used
Summary of Contents for MINIDISC ZS-M35
Page 102: ... 130 ZS M35 MEMO ...
