32
CDX-M770
Pin No.
Pin Name
I/O
Pin Description
57
DDC ON
O
DC/DC converter power control signal
58
CD EJECT OK
O
CD eject control signal
59
CD OPEN REQ
I
Front panel open request signal
60
(NCO)
O
Not used. (Open)
61
OPEN KEY
I
OPEN key detection signal
62
NOSE SW
I
Nose SW detection signal
63
VSS
—
Ground
64
DETACH SW
I
Detach SW detection signal
65
PWM
I
Oscillation frequency count input
66 – 68
(NCO)
O
Not used. (Open)
69
FLASH W
I
Flash write-in signal
70
I2C SIO
I/O
I2C serial data input/output
71 I2C CKO I/O I2C serial clock input/output
72
RC IN1
I
Rotary commander input 1
73
X1A
—
Crystal oscillator (32.768 kHz)
74
X0A
—
Crystal oscillator (32.768 kHz)
75
DAVN
I
RDS data acquisition detect signal
76
CDON IN
I
CD mechanism power control signal
77
BU IN
I
Back-up power detection signal
78
DSP READY
I
DSP ready signal
79
KEY ACK
I
Key acknowledge signal
80
AD ON
O
A/D converter power control signal
81
ACC IN
I
Accessory key ON signal
82
FLS PWON
O
Flash power ON control signal
83
PW ON
O
Audio circuit power ON control signal
84
TEST IN
I
Test mode initial setting detection signal
85
RAM BU
I
RAM reset detection signal
86
HSTX
I
Hardware standby input
87
MD2
I
Connecting to ground in this set.
88
MD1
I
Connecting to VCC in this set.
89
MD0
I
Connecting to VCC in this set.
90
RSTX
I
Reset input
91
VSS
—
Ground
92
X0
—
Crystal oscillator (3.68 MHz)
93
X1
—
Crystal oscillator (3.68 MHz)
94
VCC
—
Power supply pin (+5 V)
95
ILL IN
I
Illumination dimmer control signal
96
I DET
I
OPEN/CLOSE motor abnormal current detection
97
MOT –
O
OPEN/CLOSE motor control signal
98
MOT +
O
OPEN/CLOSE motor control signal
99
CLOSE SW
I
Close SW detection signal
100
OPEN SW
I
Open SW detection signal
101
CENT SW
I
Cent SW detection signal
102
(NCO)
O
Not used. (Open)
103
CDMD SEL
I
CD/MD selector signal
104
DEST SEL1
I
Destination selector signal 1
105
DEST SEL2
I
Destination selector signal 2
106
BOOT
O
Display CPU write-in control signal
107
(NCO)
O
Not used. (Open)
108
DSP ON
O
DSP power control signal
109
SENS ON
O
Not used. (Open)
110
EMPH IN
I
Emphasis input
111
PACK IN
I
Pack detection signal
Summary of Contents for CDX-M770 - Fm/am Compact Disc Player
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Page 12: ...12 CDX M770 US MODEL Connection ...
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Page 14: ...14 CDX M770 AEP UK E MODEL Connection ...
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Page 40: ...40 40 CDX M770 4 6 PRINTED WIRING BOARDS CD MECHANISM SECTION ...
Page 81: ...81 CDX M770 MEMO ...
