36
CDX-M50IP/MR50IP
53 TU_ATTIN I Tuner mute zero cross detection signal input (CDX-MR50IP only)
54 BUIN I Backup power supply detection signal input
55 FUNC_SEL O
AUX audio input/iPod audio input select control signal output
(L: iPod audio input, H: AUX audio input)
56 DAVN I
RDS data block synchronized detection signal input from RDS receiver IC.
(CDX-MR50IP only)
57 BUSON_A O Bus ON signal output (for iPod)
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 CD zero cross mute detection signal input
62 NCO O Not used. (Open)
63 FLASH_W I Memory mode select signal input (Fixed at H in this set)
64 SIRCS I Remote control signal input
65 to 69 NCO O Not used. (Open)
70 DOOR_SW I Front panel open/close detection signal input
71 RC_IN1 I Rotary commander shift key signal input
72 to 74 NCO O Not used. (Open)
75 NOSE_SW I Front panel detach detection signal input (L: with panel, H: without panel)
76 OPEN-MUTE O Mute signal output at during the AUX source mode. (L: other, H: keep)
77 RESET I Reset signal input
78 NCO O Not used. (Open)
79 XOUT O Sub-clock signal output (32.768 kHz)
80 XIN I Sub-clock signal input (32.768 kHz)
81 VSS1 — Ground
82 OSCIN I Main-clock signal input (18.432 MHz)
83 OSCOUT O Main-clock signal output (18.432 MHz)
84 VCC3 — Power supply pin (+3.3 V)
85 CYRIL_SEL I CYRIL select signal input (L: non CYRIL)
86 DEMOSEL I Demo select signal input (H: Demo ON)
87 NCO O Not used. (Open)
88 SYSRST O System reset signal output
89 EJECT_OK_SW O Eject OK signal output
90 NCO O Not used. (Open)
91 CD_ON I CD mechanism servo power control request signal input
92 CDM_ON I CD mechanism deck power control request signal input
93, 94 NCO O Not used. (Open)
95 BUSON O Bus ON signal output
96 TESTIN I Test mode detection signal input (Fixed at H in this set)
97 ILL_IN I Illumination detection signal input (H: illumination OFF)
98 TELATT I Telephone attenuator detection signal input
99 ACC_IN I Accessory power supply detection signal input
100 ATT O Audio mute control signal output
Pin No. Pin Name I/O Pin Description