1-13-1
E68C4PIN
IC PIN FUNCTION DESCRIPTIONS
Comparison Chart of Models and Marks
IC1207 (Sub Micon)
Model
Mark
DR-A2677
A
DR-A2631
B
DR-B2737
C
Pin
No.
Mark
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
-
N.U.
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
-
N.U.
Not Used
22
OUT
SYS-
RESET
System Reset Signal
23
-
N.U.
Not Used
24
A,C
IN
DAVN-L
VPS/PDC Data
Receive = “L”
B
-
N.U.
Not Used
25
-
N.U.
Not Used
26
OUT
REG-
CONT2
Power Regulator
Control Signal
27
IN
REMOTE
Remote Signal Input
28
-
N.U.
Not Used
29
IN
RDY
Ready/Busy
communication Control
with Main Micro
Controller
30
IN
P-DOWN
Power Voltage Down
Detector Signal
31
-
N.U.
Not Used
32
-
N.U.
Not Used
33
IN/
OUT
SUB-SDA
Serial Data
34
OUT SUB-SCL
Serial Clock
35
-
N.U.
Not Used
36
-
N.U.
Not Used
37
-
N.U.
Not Used
38
OUT
AUDIO-
MUTE
Audio Mute Control
Signal
39
-
N.U.
Not Used
40
-
N.U.
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
-
N.U.
Not Used
45
-
N.U.
Not Used
46
-
N.U.
Not Used
47
-
N.U.
Not Used
48
OUT FL-DIN
Serial Data
49
OUT FL-STB
Serial Interface Strobe
50
OUT FL-CLK
Serial Clock
51
-
N.U.
Not Used
52
OUT
REG-
CONT
Power Regulator
Control Signal
53
-
N.U.
Not Used
54
-
N.U.
Not Used
55
OUT
FAN-
CONT2
Fan Motor Control
Signal
56
-
N.U.
Not Used
57
-
N.U.
Not Used
58
-
N.U.
Not Used
59
-
N.U.
Not Used
60
-
N.U.
Not Used
Pin
No.
Mark
IN/
OUT
Signal
Name
Function
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12/1/2013
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