— 78 —
• IC209 OSD Controller (MB90672PF-G-125-BND)
Pin Name
AD14, AD15
A16 to A19
PCE
PCLK
PDATA OUT
PDATA IN
GND
ALE
RDX
WRLX
WRHX
MONITOR
VIDEO 2
STATUS–OUT
VIDEO 1
RX (SIN)
TX (SOT)
P PRES
TEST 1
DATA (OSD)
CLK (OSD)
LAT (OSD)
—
AVCC
AVR +
AVR –
AVSS
VOLA/D
PREADY
GND
PSTATUS
OK
MEMORY FULL
BACK UP NG
NG
P–IR
Pin No.
1, 2
3 to 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
I/O
I/O
O
O
O
O
I
–
O
O
O
O
I
I
O
I
I
O
O
O
O
O
O
–
–
–
–
–
I
I
–
I
I
I
I
I
I
Write strobe output to data bus
Function
Address bus and data bus input/output
Address bus output
Chip Enable output to RC controller (For communication using personal computers)
Clock output to RC controller (For communication using personal computers)
Data output to RC controller (For communication using personal computers)
Data input from RC controller (For communication using personal computers)
Ground
Address latch enable output
Read strobe output to data bus
Control–S input (Monitor) (Not used)
Control–S input (VIDEO 2)
Control–S status output
Control–S input (VIDEO 1)
Serial data input from mode control (U–ART0 reception)
Serial data output to mode control (U–ART0 transmission)
Reset output (For communication using personal computers)
Test port
Serial data output to OSD
Serial clock output to OSD
Latch output to OSD
Not used
Power supply (+5.6V)
Power supply (+5V)
Ground
Volume control signal input (Not used)
Learning code reception ready signal input “L” : nothing
Ground
Infrared rays transmission data status signal input from to RC controller
Learing OK signal input from RC controller
Memory full signal input from RC controller
Back up NG signal input from RC controller
Learning NG signal input from RC controller
Input to the integral calculus circuit of the remote control reception signal
• Abbreviation
RC: Remote commander
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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