78
HCD-EA20
• IC501 µPD703260YGF-S07-JBT-A (SYSTEM CONTROLLER)(UCOM BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48 to 59
60
61
I/O
I
I
—
—
O
O
—
O
O
—
—
—
—
I
O
I
I
O
O
I
I
I
I
O
I
I
O
I
O
O
O
O
O
O
—
—
I
I
O
O
O
O
O
O
I
I
O
O
I
I
Pin Name
UNREG MONITOR
SUBTRANS-MONITOR
AVREF0
AVSS
NO-USE
FL STB
AVREF1
NO-USE
AC ON/OFF
IC
VDD
REGC
VSS
X1
X2
RESET
XT1
XT2
LOD_POSI
RM_INT
KEY INT
NO-USE
AC_CUT
LOD_NEG
IN SW
OUT SW
FL DATA
SIRCS
FL_CLK
NO-USE
ATT
HP MUTE
STK-MUTE
TA-MUTE
EVSS
EVDD
I2C DATA
I2C CLK
VL-DATA1
VL-DATA2
VL-DATA3
VL-CLK
F-RELAY
R-RELAY
PROTECT-IN
DVD MUTE REQ
DVD SYS RESET
NO-USE
RDS_CLK
RDS_DATA
Description
Monitoring voltage input for protecting power block
Monitoring voltage input for protecting power block
Analog reference voltage for A/D converter
Ground terminal (analog)
Not used (open)
Strobe signal output to the FL driver (IC802)
Analog reference voltage for D/A converter
Not used (open)
Power supply and relay control signal output
Flash programing mode terminal
Power supply terminal
Regulator control terminal (connected to the capacitor)
Ground terminal
Main oscillator signal input
Main oscillator signal output
System reset signal input
Sub oscillator signal input (pull-down)
Sub oscillator signal output (open)
Loading motor control signal output (open action)
Wakeup signal input from standby mode by sircs input
Wakeup signal input from standby mode by key input
Not used (pull-down)
AC-CUT detection signal input (primary power off)
Loading motor control signal output (close action)
Switch (tray position) signal input (tray in)
Switch (tray position) signal input (tray out)
Data output to the FL driver (IC802)
SIRCS signal input from the remote sensor (IC801)
Clock output to the FL driver (IC802)
Not used (open)
Line attenuation control signal output
Muting control signal output for the headphone signal
Standby control signal output to the power amplifier (IC401)
Line muting signal output
Ground terminal (port)
Power supply terminal (port)
I2C data input
I2C clock input
Volume control data output to the electronic volume (IC502)
Volume control data output to the electronic volume (IC552)
Volume control data output to the electronic volume (IC522)
Clock output to the electronic volumes
Front speaker relay and woofer relay control signal output
Rear speaker relay and center speaker relay control signal output
Speaker protection signal input
Muting request signal input from the DVD system processor (IC207)
Reset signal output to the DVD system processor (IC207)
Not used (open)
RDS clock input
RDS data input
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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