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63
MEX-BT5000
Pin No.
Pin Name
I/O
Description
50
KEY ACK
I
Acknowledge signal (wake up signal) input terminal for the key entry Acknowledge signal is
input to accept any function key in the standby status On at input of "H"
51
TUNATTIN
I
Attenuate request signal input from the tuner unit
52
BUIN
I
Back up power supply detection signal input terminal "L" is input at low voltage
53
NC
-
Not used
54
DAVN
I
Synchronize detection signal input of RDS data block (AEP, UK models only)
55
NC
-
Not used
56
UNISI
I
Serial data input from the SONY bus interface IC
57
UNISO
O
Serial data output to the SONY bus interface IC
58
UNISCK
O
Serial data transfer clock signal output to the SONY bus interface IC and CD system control
59, 60
NC
-
Not used
61
DOOR_IND
O
LED drive signal output terminal for sub panel LED "H": LED on
62
IT_POW
O
Power on/off control signal output terminal for the bluetooth section
63
IT_FSW_SFT
O
DC/DC converter oscillation frequency shift control signal output terminal for bluetooth section
64
FSW_SFT
O
DC/DC converter oscillation frequency shift control signal output terminal for fluorescent
indicator tube section
65
NC
-
Not used
66
FLASH_W
I
Flash writing mode detection signal input from the bluetooth controller
67
RAMBU
I
Internal RAM reset detection signal input from the reset signal generator
Input terminal to check that RAM data are not destroyed due to low voltage "L": Writing mode
68
DOOR_SW
I
Shutter of front panel open/close detection input terminal "H": Open, "L": Close
69
NC
-
Not used
70
ACC_IN
I
Accessory power detection signal input terminal "L": accessory power on
71 to 73
NC
-
Not used
74
AD_ON
O
A/D converter power control signal output
When the KEY ACK (pin 50) that controls reference voltage power for key A/D conversion input
is active, "L" is output from this terminal to enable the input
75
RESET
I
System reset signal input from the reset signal generator and reset switch "L": reset
76
RST_PROTECT
O
Reset protect control signal output terminal "H": unstable operation of bluetooth controller
77
XIN
I
Sub system clock input terminal (32.768 kHz)
78
XOUT
O
Sub system clock output terminal (32.768 kHz)
79
VSS1
-
Ground terminal
80
OSCOUT
O
Main system clock output terminal (18.432 MHz)
81
OSCIN
I
Main system clock input terminal (18.432 MHz)
82
VCC3
-
Power supply terminal (+3.3V)
83
TELLATT
I
Telephone muting detection signal input terminal
At input of "H", the audio signal is attenuated by 20 dB
84
ILLIN
I
Illuminate line detect signal input terminal for the automatic dimmer control
"L": detected the illumination line (lighting is made dark)
85
BUSON
O
SONY bus on/off control signal output terminal "L": bus on
86
NC
-
Not used
87
FL_ON
O
Power on/off control signal output terminal for the fluorescent indicator tube section
88
FLD_ON
O
Power on/off control signal output terminal for the fluorescent indicator tube driver section
89
RC_IN1
I
Rotary remote commander shift key input terminal
90
PARKING
I
Side brake (parking brake) detection input terminal "L": brake on
91
EJECT_OK
O
CD eject OK signal output to the CD system control
92
NC
-
Not used
Summary of Contents for XPlod MEX-BT5000
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