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4.7
JCE8044 (IC501) : AV Decoder
• Pin layout
240
1
60
61
• Block diagram
digital audio
serial
peripherals
controller
DVD data
• Pin function
Pin No.
Symbol
1
VDDio
2,3
MD10,11
4
VDD
5
MD12
6
VSSio
7~9
MD13~15
10
VDDio
11
DQM1
12,13
MA9,8
14
VSSio
15,16
MA7,6
17
VSS
18
MA5
19
VDDio
20,21
MA4,3
22
MCLK
23
VSSio
24
CKE
1-34 (No.XA002)
181
180
121
120
digital audio
audio DAC
Audio
Audio
output
DSP
processor
Serial
port
DVD
A/V
+
CSS
I/O
-
Power supply terminal 3.3V
I/O
SDRAM Data bus terminal
-
Power supply terminal 1.8V
I/O
SDRAM Data bus terminal
-
Connect to ground
I/O
SDRAM Data bus terminal
-
Power supply terminal 3.3V
O
SDRAM Data byte enable
O
SDRAM Address bus terminal
-
Connect to ground
O
SDRAM Address bus terminal
-
Connect to ground
O
SDRAM Address bus terminal
-
Power supply terminal 3.3V
O
SDRAM Address bus terminal
O
SDRAM Clock output
-
Connect to ground
O
SDRAM Clock enable output
Video I/O port
MPEG
Video
Video
output
decoder
processor
SDRAM
Demux
controller
engine
SDRAM
Description
NTSC
PAL
SCART
encoder
XBUS
controller
RISC
uProcessor
+ cache
Video
XBUS
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