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
