35
CDX-F5510/F5510X/F5550EE
Pin No. Pin Name I/O Pin Description
66 RAM BU O Not used in this set. (Fixed at “L”.)
67 TEST IN I Test mode detect signal input
68 FLASH W I
Memory mode changeover signal input
Normally “H” input (single chip mode) “L” after reset: Flash write mode
69 NOSE SW I
Front panel attachment detect signal input
“L” input: With panel, “H” input: Without panel
70, 71 NC — Not used in this set. (Open)
72 DOOR SW I
Front panel open/close detect signal input
“L” input: Panel close, “H” input: Panel open
73 DOOR IND O Sub panel power supply control signal output
74 RC IN1 I Rotary commander shift key signal input
75 XKEY ON O Key power supply control signal output Pin rj (KEY ACK) active: “L” output
76 NC — Not used in this set. (Open)
77 RESET I Reset signal input
78 NC — Not used in this set. (Open)
79 X1A — Oscillator connect pin (32.768 kHz)
80 X0A — Oscillator connect pin (32.768 kHz)
81 VSS — Ground pin
82 X0 — Oscillator connect pin (18.432 MHz)
83 X1 — Oscillator connect pin (18.432 MHz)
84 VCC+3.3 — Power supply pin (+3.3 V)
85 to 88 NC — Not used in this set. (Open)
89 Z MUTE I Mechanism deck mute zero closs detect signal input
90 AUX SEL I AUX select signal input (Fixed at “L”.)
91 DEMO SEL O DEMO select signal output (Fixed at “H”.)
92, 93 NC — Not used in this set. (Open)
94 CD ON I Servo power supply control request signal input from CD mechanism
95 CDM ON I CD mechanism power supply control request signal input from CD mechanism
96 NC — Not used in this set. (Open)
97 EJECT OK O Front panel open information signal output to CD mechanism
98 to 100 NC — Not used in this set. (Open)
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