SRS-X9
44
• IC Pin Function Description
MAIN BOARD IC002 R7S7200032CFP (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
AUDIO-BT-BCO-SEL
O
Network/Bluetooth audio signal and clock signal selection signal output to the input select
switch
2
WiFi-M-CH-SEL
I
Wi-Fi frequency setting terminal
3
BCO-SPI-REQ
I
Request signal input from the WiFi module
4
BCO-SPI-RDY
I
Ready signal input from the WiFi module
5
BCO-RESET
O
Reset signal output to the WiFi module “L”: reset
6
BCO-MUTE
I
Muting on/off control signal input from the WiFi module “L”: muting on
7
VCC
-
Power supply terminal (+1.2V)
8
NOTW
I
Thermal watch signal input from the digital power ampli
fi
er
9
VSS
-
Ground terminal
10
NRESET
O
Reset signal output to the stream processor “L”: reset
11
PVCC
-
Power supply terminal (+3.3V)
12
NBKND-ERR
I
Error signal input from the stream processor
13
NMUTE
O
Muting on/off control signal output to the stream processor “L”: muting on
14
AUDIO-MCLK
O
Master clock signal output to the A/D converter and stream processor (24.576 MHz)
15
NFAULT
I
Error signal input from the digital power ampli
fi
er
16
NCLIP
I
Cliping warning signal input from the digital power ampli
fi
er
17
BCO-SPI-CLK
O
Serial data transfer clock signal output to the WiFi module
18
GND
-
Ground terminal
19
BCO-SPI-CS
O
Chip select signal output to the WiFi module
20
BCO-SPI-DOUT
O
Serial data output to the WiFi module
21
VCC
-
Power supply terminal (+1.2V)
22
BCO-SPI-DIN
I
Serial data input from the WiFi module
23
VSS
-
Ground terminal
24
AUDO-BCLK3
I
Bit clock signal input from the input select switch
25
PVCC
-
Power supply terminal (+3.3V)
26
AUDIO-LRCK3
I
L/R sampling clock signal input from the input select switch
27
USB-SEL2
O
USB data selection signal output to the USB select IC
28
AUDIO-DIN3
I
Audio signal input from the input select switch
29
AUDIO-BCLK
O
Bit clock signal output to the stream processor
30
AUDIO-LRCK
O
L/R sampling clock signal output to the stream processor
31
VSS
-
Ground terminal
32
AUDIO-DOUT0
O
Audio signal (L-ch/R-ch) output to the stream processor
33
AUDIO-DOUT2
O
Audio signal (subwoofer) output to the stream processor
34
VCC
-
Power supply terminal (+1.2V)
35
LED-POWER-RED
O
LED drive signal output terminal for
?/1
indicator LED (red color) “H”: LED on
36
VSS
-
Ground terminal
37
CKIO
O
System clock output terminal Not used
38
LED-POWER-GREEN
O
LED drive signal output terminal for
?/1
indicator LED (green color) “H”: LED on
39
PVCC
-
Power supply terminal (+3.3V)
40
USB-SEL1
O
USB data selection signal output to the USB select IC
41
TOUCH-NRESET
O
Reset signal output to the touch panel section “L”: reset
42
LED-LINK-RED
O
LED drive signal output terminal for LINK indicator LED (red color) “H”: LED on
43
DEBUG-TXD
O
Transmit data output terminal for the debug Not used
44
WakeOnLan
I
Wake-up signal input from the WiFi module
45
POWER-KEY
I
?/1
key input terminal
46
VSS
-
Ground terminal
47
LED-LINK-GREEN
O
LED drive signal output terminal for LINK indicator LED (green color) “H”: LED on
48
LED-UPDATE
O
LED drive signal output terminal for UPDATE indicator LED “H”: LED on
49
AC-CUT
I
AC cut detection signal input terminal “H”: AC cut
50
PVCC
-
Power supply terminal (+3.3V)
51
LED-AUDIOIN
O
LED drive signal output terminal for AUDIO IN indicator LED “H”: LED on
52
AUDIO-BCLK1
O
Bit clock signal output to the A/D converter
53
AUDIO-LRCK1
O
L/R sampling clock signal output to the A/D converter
54
LED-USB B
O
LED drive signal output terminal for USB-B indicator LED “H”: LED on
55
AUDIO-DIN1
I
Audio signal input from the A/D converter
