參數(shù)資料
型號(hào): TW2802
廠商: Electronic Theatre Controls, Inc.
英文描述: TW2802/4 Multiple Video Decoder For Security Applications
中文描述: TW2802 / 4多路視頻解碼器的安全應(yīng)用
文件頁(yè)數(shù): 7/80頁(yè)
文件大小: 946K
代理商: TW2802
www.techwellinc.com
Preliminary
TW2804/TW2802 Multiple Video Decoder
Techwell, Inc.
Datasheet Rev. 2.4
09/09/2003
7
System Control Pins
Name
RSTB
CLK54I
CLK27O
TEST
HSPB
Number
2
89
88
1
110
Type
I
I
O
I
I
Description
System reset.
54MHz system clock input.
27MHz Clock output.
Test pin. Connect to ground.
Select Serial/Parallel host interface.
Chip select for parallel interface.
Slaver address [0] for serial interface.
Address line enable for parallel interface.
Serial clock for serial interface.
Read enable for parallel interface.
Ground for serial interface.
Write enable for parallel interface.
Ground for serial interface.
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].
Interrupt request by video loss and Motion
detection
HCSB
109
I
HALE
107
I
HRDB
106
I
HWRB
104
I
HDAT [7:0]
91,92,94,95,
97,98,100,101
I/O
IRQ
103
O
Power/Ground Pins
Name
Number
9,21,33,48,60,
72,90,102
6,24,45,
66,84,105
3,12,15,18, 27,
30,36,39,42,51,
54,57,63,69,75,
78,81,87,93,96,
99,108
112,119,120,127
115,116,123,124
111
128
Type
Description
VDD
P
Digital power for internal logic. 2.5V.
VDDO
P
Digital power for output driver. 3.3V.
VSS
G
Digital ground.
VDDA
VSSA
VDDAD
VSSAD
P
G
P
G
Analog power. 2.5V.
Analog ground.
Analog digital power. 2.5V.
Analog digital ground.
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