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3 7 63 1515 0
• IC5002
IR CONTROLLER (VCS94450-1) / PICTURE BOARD (3/3)
Pin No.
Pin Name
1
NC
2
VSS
3
NC
4
XCVR DOWN1
5
XCVR DOWN0
6
GAIN CTRL
7
TXO
8
VDD
9
NC
10
VSS
11
NC
12, 13
MODE1, MODE2
14
NC
15
DACKY
16
DACKX
TE
L 13942296513
17
NC
18
REGISTORV
19
NC
20, 21
SA0, SA1
22
NC
23
SA2
24 ~ 27
NC
28
SA3
29
NC
30
SA4
31
NC
32
SA5
33 ~ 35
SA6 ~ SA8
36
NC
37
VDD
38
NC
39
VSS
40
NC
www
.
http://www.xiaoyu163.com
I/O
—
Not used
—
Ground
—
Not used
O
Power ON/OFF output to IR transceiver. "H": IR OFF (Not used)
O
O
Power control output to IR transmitter and gain control output to IR receiver
O
Transmission data output to IR device
—
+5 V power supply
—
Not used
—
Ground
—
Not used
Test mode setting terminal (Fixed to "L")
MODE1 MODE2
L
L
I
L
H
H
L
H
H
—
Not used
I
DMA acknowledge signal input (Fixed to "H")
I
DMA acknowledge signal input from gate array
—
Not used
I
Reset input. "H": Reset
—
Not used
I
Address bus input
—
Not used
I
Address bus input
—
Not used
I
Address bus input
—
Not used
I
Address bus input
—
Not used
I
Address bus input
I
Address bus input (Not used)
—
Not used
—
+5 V power supply
—
Not used
—
Ground
—
Not used
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Description
Contents of mode
Normal operation
UART-A
UART-B
SCC+
Q Q
3
6 7
1 3
1 5
co
.
— 141 —
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9
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