Sony CDX-R3300 - Page 18

18
CDX-R3300/R3300S
Pin No. Pin Name I/O Pin Description
62 SYS RST O System reset signal output
63 TEL ATT O TEL ATT signal output Not used in this set. (Open)
64 ACC IN I Accessory power supply detect signal input
65 SIRCS I Remote control signal (infrared rays) input
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 O Not used in this set. (Fixed at “H”.)
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 Not used in this set. (Open)
74 RC IN1 I
E: Rotary commander shift key signal input
US, Canadian: Not used in this set. (Open)
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 kHz)
80 X0A — Oscillator connect pin (32 kHz)
81 VSS — Ground pin
82 X0 — Oscillator connect pin (3.68 MHz)
83 X1 — Oscillator connect pin (3.68 MHz)
84 VCC+3.3 — Power supply pin (+3.3 V)
85 to 88 NC — Not used in this set. (Open)
89 ZERO DET R I Mechanism deck mute zero closs detect signal input R
90 ZERO DET L I Mechanism deck mute zero closs detect signal input L
91 CD STB O
CD servo data strob signal output Timing of data latch: “L” output
Not used in this set. (Open)
92 CD IN SW I CD mechanism IN-SW detect signal input Not used in this set. (Open)
93 CD LOAD O CD mechanism loading motor control signal output Not used in this set. (Open)
94 CD ON/EJECT O CD mechanism eject motor control signal output
95 CDM ON/D SW I CD mechanism DSW detect signal input
96 CD LIMIT I CD mechanism IN-LIMIT SW signal input Not used in this set. (Open)
97 RFOK I CD servo RFOK signal input
98 CD XRST O CD servo reset signal output Not used in this set. (Open)
CD servo command/parameter identification signal output
99 CD A0 O Command transmission: “L” output, parameter transmission: “H” output
Not used in this set. (Open)
100 NC — Not used in this set. (Open)