XAV-AX150
53
Sony CONFIDENTIAL
For Authorized Servicer
MAIN BOARD IC801 LC88FC3K0AF2351-ENG (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1 to 3
NC
O
Not used
4
FLASH_RW
I/O
Flash writing terminal Not used
5
RESET
I
System reset signal input from the regulator “L”: reset
6
SUB_X1
I
Low-speed clock input terminal (32.768 kHz)
7
SUB_X2
O
Low-speed clock output terminal (32.768 kHz)
8
VSS1
-
Ground terminal
9
MAIN_X1
I
High-speed clock input terminal (9.25 MHz)
10
MAIN_X2
O
High-speed clock output terminal (9.25 MHz)
11
VDD1
-
Power supply terminal (+3.3V)
12
ILL-
I
Not used
13
SPEED_PULSE
I
Not used
14 to 16
NC
O
Debug test terminal Not used
17
EN_SYS
O
Power on/off control signal output to the DC/DC converter “H”: power on
18
FLT_USB2
I
USB over current detection signal input terminal Not used
19
XM_PWR
O
SIRIUSXM power supply on/off control signal output terminal Not used
20
SDO
O
Serial data output to the audio DSP
21
SDI
I
Serial data input from the audio DSP
22
SCK
O
Serial data transfer clock signal output to the audio DSP
23
SOC_TX
O
Serial data output to the multimedia interface
24
SOC_RX
I
Serial data input from the multimedia interface
25
SYNC
O
Frequency control signal output to the DC/DC converter
26
XM_RX
I
Serial data input terminal for SIRIUSXM Not used
27
XM_TX
O
Serial data output terminal for SIRIUSXM Not used
28
NC
O
Not used
29
PD1
O
Not used
30
FLT_USB1
I
USB over current detection signal input from the regulator “L”: over current
31
NC
O
Not used
32
EN_USB1
O
USB power on/off control signal output to the USB charging controller “H”: power on
33
MAESTRO_SW
O
Not used
34
BUSY
I
Busy signal input from the audio DSP “L”: busy
35
BU_IN
I
Back-up power detection signal input from the regulator
36
VSS2
-
Ground terminal
37
VDD2
-
Power supply terminal (+3.3V)
38
TU_SCL
O
Serial data transfer clock signal output to the electrical volume, FM/AM receiver and display
controller
39
TU_SDA
I/O
Two-way serial data bus with the electrical volume, FM/AM receiver and display controller
40
NC
O
Not used
41
CMD_ERR
I
Command error signal input from the audio DSP “H”: error
42
CE
O
Chip enable signal output to the audio DSP
43
SYSRST
O
Reset signal output to the audio DSP “L”: reset
44
LED_PWM
O
LED drive signal output terminal for key illumination “H”: LED on
45
SMONI
I
Watch-dog timer status monitor input from the audio DSP
46
USB_IN
I
USB device detection signal input from the audio DSP “L”: USB device is connected
47, 48
NC
O
Not used
49
BT_PWR
O
Bluetooth power on/off control signal output to the regulator “H”: power on
50
DET_CDP
O
Mode selection signal output to the USB charging controller
“L”: standard mode, “H”: charge mode
51
ACC_IN
I
Accessory power detection signal input from the regulator “H”: accessory power on
52
VDD3
-
Power supply terminal (+3.3V)
53
VSS3
-
Ground terminal
54
NC
O
Not used
55
ILL IN
I
Illuminate line detection signal input terminal “L”: Illuminate line is detected
56
ATT
O
Audio muting on/off control signal output terminal “H”: muting on
57
AMP_MUTE
O
Ampli
fi
er muting on/off control signal output to the power ampli
fi
er “L”: muting on
58
AMPSTBY
O
Standby signal output to the power ampli
fi
er “L”: standby
59, 60
NC
O
Not used
61
OFFSET_DET (NC)
O
Not used
62
KEY_ACK0
I
Key acknowledge signal (wake up signal) input terminal Not used
SYS SET
2020/02/07 23:51:10 (GMT+09:00)