IC BLOCK DIAGRAM / TERMINAL DESCRIPTION
IC801 : M65774BFP
MPEG2 Decoder IC
Block Diagram
Pin Function-1
Descrambler
Bit Streem
Input Interface
Bit Streem
Host CPU
16M DRAM
16M bit SDRAM
Video Output
PCM Audio Output
IEC958 Output
Internal
CPU
Write BUS
H BUS
SDRAM
Controller
ROM
RAM
Host
Interface
Video Decoder
Sub-picture
Decoder
Display
Processor
Special Playback
Processor
Video Output
Interface
Audio Output
Interface
.
o
N
e
m
a
N
n
Pi
Pin Function
I/O
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N
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m
a
N
n
i
P
O
I/
n Function
i
P
1
D
N
GI
d
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G
21
5VDD
ly
p
p
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5
2
D0
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O
/
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d output port
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2
22
HD15
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23
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24
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27
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28
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9
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1
6
D
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30
A0
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rt
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A
1
1
7
HD
31
A1
H
2
1
8
D
H
32
A2
H
3
1
9
D
H
33
A3
H
4
1
D
N
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I
d
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G
34
A4
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5
1
0
1
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3
DD
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6
1
1
1
D
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36
5VDD
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7
1
2
1
D
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37
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8
1
3
1
D
H
38
A6
H
9
1
4
1
D
H
39
A7
H
0
2
D
D
V
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y
l
p
p
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s
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w
o
P
40
A8
H
I
I
I
I
I
RYD
O
INTR
O
I
I
I
I
Read BUS