30
CDX-M620/M670
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
