1-14-1
E7A00PIN
IC PIN FUNCTION DESCRIPTIONS
IC1501 (SUB MICRO CONTROLLER)
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN
KEY-1
Key Data Input 1
2
IN
KEY-2
Key Data Input 2
3
IN
POW-SW
Abnormal Voltage Detection
4
IN
AFT
Tuner Voltage Input Signal
5
-
NU
Not Used
6
IN
EV+3.3V
+3.3V Power Supply
7
IN
VCC
+3.3V Power Supply
8
OUT XOUT
Main Clock Output
9
IN
XIN
Main Clock Input
10
-
GND
Ground
11
IN
XCIN
Sub Clock Input
12 OUT XCOUT
Sub Clock Output
13
-
GND
Ground
14
IN
RESET
Micro Controller Reset
Signal
15
-
NU
Not Used
16
-
NU
Not Used
17
-
NU
Not Used
18 OUT SUB-TXD
Transmission Data to Main
Micro Controller
19
IN
SUB-RXD
Reception Data from Main
Micro Controller
20 OUT SUB-SCLK
Communication Clock with
Main Micro Controller
21
-
NU
Not Used
22 OUT
SYS-
RESET
System Reset Signal
23
-
NU
Not Used
24
-
NU
Not Used
25
-
NU
Not Used
26 OUT 1V2CONT
Power Regulator Control
Signal
27
IN
REMOTE
Remote Signal Input
28
-
NU
Not Used
29
IN
RDY
Ready/Busy communication
Control with Main Micro
Controller
30
IN
P-DOWN
Power Voltage Down
Detector Signal
31
-
NU
Not Used
32
-
NU
Not Used
33
IN/
OUT
SDA
Serial Data
34 OUT SCL
Serial Clock
35
-
NU
Not Used
36
-
NU
Not Used
37
-
NU
Not Used
38 OUT
AUDIO-
MUTE
Audio Mute Control Signal
39 OUT
AUDIO-
SW2
Audio Input Select Signal
40 OUT
AUDIO-
SW1
Audio Input Select Signal
41 OUT
VIDEO-
SW1
Video Input Select Signal
42 OUT
VIDEO-
SW2
Video Input Select Signal
43 OUT
VIDEO-
SW3
Video Input Select Signal
44 OUT
VIDEO-
MUTE
Video Mute Control Signal
45
-
NU
Not Used
46
-
NU
Not Used
47
-
NU
Not Used
48 OUT FL-SDA
Serial Data
49 OUT FL-STB
Serial Interface Strobe
50 OUT FL-SCL
Serial Clock
51
-
NU
Not Used
52 OUT
REG-
CONT
Power Regulator Control
Signal
53 OUT PWSW
Power ON Signal Output
54
-
NU
Not Used
55
-
NU
Not Used
56
-
NU
Not Used
57
-
NU
Not Used
58
-
NU
Not Used
59
-
NU
Not Used
60
-
NU
Not Used
61
-
GND
Ground
62
-
NU
Not Used
63
-
NU
Not Used
64
-
NU
Not Used
Pin
No.
IN/
OUT
Signal
Name
Function
