FUNAI DR-D2831 - IC Pin Function Descriptions

1-13-1 E6853PIN
IC PIN FUNCTION DESCRIPTIONS
IC1207 (Sub Micon)
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-SAF 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 BUP+3.3V +3.3V Power Supply
8 OUT OSC2 Main Clock Output
9 IN OSC1 Main Clock Input
10 - VSS Ground
11 IN XIN Sub Clock Input
12 OUT XOUT Sub Clock Output
13 - GND Ground
14 IN RESET
Sub Micro Controller Reset
Signal
15 OUT 8POUT-1
Control SCART 1 8Pin Level
by using 8POUT-1 and
8POUT-2
16 OUT 8POUT-2
Control SCART 1 8Pin Level
by using 8POUT-1 and
8POUT-2
17 OUT
RGB-
THROUGH
SCART 2 RGB Through
Control Signal
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
REG-
CONT2
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
SUB-SDA Serial Data
34 OUT SUB-SCL Serial Clock
35 - NU Not Used
36 - NU Not Used
37 - NU Not Used
38 OUT
AUDIO-
MUTE
Audio Mute Control Signal
39 - NU Not Used
40 - NU Not Used
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 - NU Not Used
45 - NU Not Used
46 - NU Not Used
47 - NU Not Used
48 OUT FL-DIN Serial Data
49 OUT FL-STB Serial Interface Strobe
50 OUT FL-CLK Serial Clock
51 - NU Not Used
52 OUT
REG-
CONT
Power Regulator Control
Signal
53 - NU Not Used
54 - NU Not Used
55 OUT
FAN-
CONT2
Fan Motor Control Signal
56 - NU Not Used
57 - NU Not Used
58 - NU Not Used
59 - NU Not Used
60 - NU Not Used
61 - AVss AVSS (GND)
62 IN FAN-LOCK Fan Motor Lock Detection
63 IN AGC IF AGC Comparator Signal
64 IN SC2-IN
Input Signal from Pin 8 of
SCART2
Pin
No.
IN/
OUT
Signal
Name
Function