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TW2802 Datasheet(PDF) 7 Page - List of Unclassifed Manufacturers

Part # TW2802
Description  TW2802/4 Multiple Video Decoder For Security Applications
PDF  80 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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TW2802 Datasheet(HTML) 7 Page - List of Unclassifed Manufacturers

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Preliminary
TW2804/TW2802 Multiple Video Decoder
Techwell, Inc.
www.techwellinc.com
Datasheet Rev. 2.4
09/09/2003
7
System Control Pins
Name
Number
Type
Description
RSTB
2
I
System reset.
CLK54I
89
I
54MHz system clock input.
CLK27O
88
O
27MHz Clock output.
TEST
1
I
Test pin. Connect to ground.
HSPB
110
I
Select Serial/Parallel host interface.
HCSB
109
I
Chip select for parallel interface.
Slaver address [0] for serial interface.
HALE
107
I
Address line enable for parallel interface.
Serial clock for serial interface.
HRDB
106
I
Read enable for parallel interface.
Ground for serial interface.
HWRB
104
I
Write enable for parallel interface.
Ground for serial interface.
HDAT [7:0]
91,92,94,95,
97,98,100,101
I/O
Data bus for parallel interface.
HDAT [7] is serial data for serial interface.
HDAT [6:1] is slaver address [6:1] for serial
interface. HCSB is slaver address [0].
IRQ
103
O
Interrupt request by video loss and Motion
detection
Power/Ground Pins
Name
Number
Type
Description
VDD
9,21,33,48,60,
72,90,102
P
Digital power for internal logic. 2.5V.
VDDO
6,24,45,
66,84,105
P
Digital power for output driver. 3.3V.
VSS
3,12,15,18, 27,
30,36,39,42,51,
54,57,63,69,75,
78,81,87,93,96,
99,108
G
Digital ground.
VDDA
112,119,120,127
P
Analog power. 2.5V.
VSSA
115,116,123,124
G
Analog ground.
VDDAD
111
P
Analog digital power. 2.5V.
VSSAD
128
G
Analog digital ground.



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