Sony CDX-GT414U - Page 30

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CDX-GT410U/GT414U
55 NCO O Not used. (Open)
56 DAVN I RDS (Radio Data System) data block synchronized detect signal input
57 NCO O Not used. (Open)
58 UNISI I SONY bus data signal input
59 UNISO O SONY bus data signal output
60 UNISCK O SONY bus clock signal output
61 Z MUTE I Mute signal input
62 NOSE SW I Front panel attachment detect signal input “L”: With panel, “H”: Without panel
63 FLASH W I
Memory mode change signal input Normally “H”: Single chip mode, after reset
“L”: flash write mode
64 SIRCS I Remote control signal input
65 to 70 NCO O Not used. (Open)
71 RC IN1 I Rotary commander shift key signal input Not used in this set.
72 to 74 NCO O Not used. (Open)
75 FSW OUT O
D/D converter oscillator frequency shift control signal output
“L”: 350 kHz, “H”: 415 kHz
76 NCO O Not used. (Open)
77 RESET I CPU reset signal input
78 NCO (OPEN REQ) O Not used. (Open)
79 XIN I Low speed operation clock signal input (32.768 kHz)
80 XOUT O Low speed operation clock signal output (32.768 kHz)
81 VSS1 — Ground pin
82 OSCIN I High speed operation clock signal input (18.432 MHz)
83 OSCOUT O High speed operation clock signal output (18.432 MHz)
84 VCC3 — Power supply pin (+3.3 V)
85 CYRIL SEL I Cyril correspondence discrimination signal input “L”: No correspondence
86 DEMOSEL I DEMO select signal input “H”: DEMO on, “L”: DEMO off
87 NCO O Not used. (Open)
88 SYSRST O System reset signal output
89 FL ON O Fluorescent indicator tube power on/off control signal output
90 DD ON O D/D converter power on/off control signal output
91 USB OVER I USB overcurrent detection signal input “L”: Overcurrent detection
92 USB ON O USB overcurrent detection IC control signal output “H”: On, “L”: Off
93 WAKE UP O Mechanism microcomputer wake up signal output “H”: Wake up, “L”: Sleep
94 CDON I CD mechanism servo power supply control request signal input
95 CDMON I CD mechanism deck power supply control request signal input
96 BUSON O Bus on signal output
97 TESTIN I Test mode detect signal input
98 TELATT I Telephone attenuate detect signal input
99 ACC IN I Accessory power supply detect signal input
100 ATT O Audio mute control signal output
Pin No. Pin Name I/O Pin Description