Read Sony SRS-GU10IP Service Manual online
SRS-GU10iP
19
• IC Pin Function Description
MAIN BOARD (3/3) IC300 R5F3640DDA04FAR-128 (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 3
NO USE
—
Not used (Open)
4
SIRCS_IN
I
Remote control signal input
5 to 7
NO USE
—
Not used (Open)
8
BYTE
I
External data bus input. (Connected to ground)
9
CNVss
I
Change processor mode input
10, 11
NO USE
—
Not used (Open)
12
RESET
I
System reset signal input
13
Xout
O
System main clock signal output (5MHz)
14
Vss
—
Ground
15
Xin
I
System main clock signal input (5MHz)
16
Vcc1
—
Power supply (+3.3 V)
17
NMI
I
NMI interruption signal input (Not used) (Pull up)
18
DAMP_RESET
O
D-AMP reset signal output
19
DAMP_PDN
O
D-AMP power down control signal output
20
AC_OUT INT0
I
AC CUT detect signal input
21
DAMP_MUTE
O
D-AMP muting signal output
22
DAMP_SCL
O
D-AMP serial clock output
23
DAMP_VALID
I
D-AMP VALID signal input
24
DAMP_SDA
O
D-AMP serial data output
25, 26
NO USE
—
Not used (Open)
27
IPOD_ACCP
I
Wake signal input from iPod accessory power
28
IPOD_CP_RESET
O
IPod CP reset signal output
29
IPOD_CP_CLK
I/O
IPod CP I2C serial data input/output
30
IPOD_CP_DATA
I/O
IPod CP I2C serial clock input/output
31
TXD1
O
Flash Write TX data output
32
RXD1
I
Flash Write RX data input
33
CLK1
O
Flash Write clock output
34
RTS1
O
Flash Write RTS signal output
35
IPOD_TX
O
IPod TX serial data output
36
IPOD_RX
I
IPod RX serial data input
37
IPOD_DET
I
IPod detect signal input
38
NO USE
—
Not used (Open)
39
P_CONT1
—
Not used (Open)
40
P_CONT2
—
Not used (Open)
41
NO USE
—
Not used (Open)
42 to 45
NO USE
—
Not used (Open)
46
CE
—
Not used (Pull down)
47
I2C_DATA
—
Not used (Pull down)
48
I2C_CLK
—
Not used (Pull down)
49 to 56
NO USE
—
Not used (Open)
57
DC_DET
I
D-AMP DC protect signal input
58 to 61
NO USE
—
Not used (Open)
62
Vcc
—
Power supply (+3.3V)
63
NO USE
—
Not used (Open)
64
Vss
—
Ground
65 to 68
LED_MUTING
O
MUTING LED drive signal output
69 to 72
LED_BASS
O
BASS LED drive signal output
73
NO USE
—
Not used (Open)
74
KEY_POWER
—
POWER button signal output
75, 76
NO USE
—
Not used (Open)
77 to 80
LED_LINE
O
LINE LED drive signal output
81 to 83
NO USE
—
Not used (Open)
84
ASEL0
O
Audio source select signal output
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