MEX-BT38UW/BT3800U/BT3807U/BT3850U
38
Pin No.
Pin Name
I/O
Description
63
XILL_IN
I
Illuminate line detect signal input for the auto dimmer control Dimmer is present at input of
“L” Not used
64
ATT
O
Muting on/off control signal output terminal
65
VCC
-
Power supply terminal (+3.3V)
66
VSS
-
Ground terminal
67
BU_CHECK
I
Back up power supply detection signal input terminal “L” is input at low voltage
68
AMP_STB
O
Standby control signal output to the power ampli
fi
er
69
XDIAG
I
Diagnostic signal input from the power ampli
fi
er
70
EJECT_OK
I
CD eject OK signal output to the CD section
71
SA_OUT
O
Serial data output terminal Not used
72
SA_CLK
O
Serial data transfer clock signal output terminal Not used
73
F_AUX
O
Muting on/off control signal output terminal Not used
74
BT_ATT_XEN
O
Muting on/off control signal output terminal for the Bluetooth section
75
VBUS_ON
O
Power on/off control signal output terminal for the CD section
76
XUSB_OVR
I
Over voltage detection signal input terminal for USB power supply section
77
FLASH_EN0
-
Not used
78
FLASH_EN1
-
Not used
79
USB_ON
O
Power on/off control signal output terminal for the USB section
80
DD_ON
O
Power on/off control signal output terminal for the USB section
81
TEL_ATT
I
Telephone muting detection signal input terminal At input of “H”, the audio signal is attenu-
ated by 20 dB
82
XACC_IN
I
Accessory power detection signal input terminal “L”: accessory power on
83
XBUS_ON
O
SONY bus on/off control signal output to the SONY bus interface
84
CD_ON
I
CD servo power supply control request input terminal
85
CDM_ON
I
CD mecha power supply control request input terminal
86
XSYS_RST
O
Reset signal output terminal
87
BT_MIC_POW
O
Microphone power on/off control signal output for the Bluetooth section “L”: power on
88
XBT_MIC_SEL
O
Microphone selection signal output terminal
89
BT_MIC_DET
I
Microphone detection signal input terminal for the EXTERNAL MICROPHONE jack
90
VCC
-
Power supply terminal (+3.3V)
91
VSS
-
Ground terminal
92
OSC_OUT
O
Main system clock output terminal (7.92 MHz)
93
OSC_IN
I
Main system clock input terminal (7.92 MHz)
94
BT_MUTE
I
Muting on/off control signal input from the Bluetooth section
95
SIRCS
I
Remote control signal input from the remote control receiver
96
BT_INT-HF
I
HF operation noti
fi
cation signal input from the Bluetooth section “H” active
97
BT_CVC
O
CVC selection request signal output to the Bluetooth section
98
ZAPPIN_BEEP
O
Beep sound drive signal output to the ellectrical volume
99
SYNC_OUT
O
Synchronize signal output terminal Not used
100
BEEP
O
Beep sound drive signal output to the power ampli
fi
er
