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