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Número de pieza | TW2867 | |
Descripción | 4-Channel Video Decoders and Audio Codecs | |
Fabricantes | Techwell | |
Logotipo | ||
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No Preview Available ! TW2867
4-Channel Video Decoders and Audio Codecs
For Security Application
Preliminary Data Sheet from Techwell, Inc.
Information may change without notice
Disclaimer
This document provides technical information for the user. Techwell Inc. reserves the right to
modify the information in this document as necessary. The customer should make sure that
they have the most recent data sheet version. Techwell Inc. holds no responsibility for any
errors that may appear in this document. Customers should take appropriate action to ensure
their use of the products does not infringe upon any patents. Techwell Inc. respects valid
patent rights of third parties and does not infringe upon or assist others to infringe upon such
rights.
Techwell, Inc.
www.techwellinc.com
1
12/18/2009
Datasheet Rev. 0.2
Free Datasheet http://www.datasheet4u.com/
1 page TW2867
4-Channel Video Decoders and Audio Codecs
for Security Application
Audio ADC Digital Input Offset Control .....................................................................................86
0xB3 – Audio ADC Digital Input Offset Control........................................................................86
0xB4 – Audio ADC Digital Input Offset Control.........................................................................86
0xB5 – Audio ADC Digital Input Offset Control.........................................................................86
0xB6 – Audio ADC Digital Input Offset Control.........................................................................86
0xB7 – Audio ADC Digital Input Offset Control.........................................................................87
0x75 – Audio ADC Digital Input Offset Control ........................................................................87
0x76 – Audio ADC Digital Input Offset Control .........................................................................87
Analog Audio ADC Digital Output Value ...................................................................................88
0xB8 – Analog Audio ADC Digital Output Value .......................................................................88
0xB9 – Analog Audio ADC Digital Output Value .......................................................................88
0xBA – Analog Audio ADC Digital Output Value ......................................................................88
0xBB – Analog Audio ADC Digital Output Value ......................................................................88
0xBC – Analog Audio ADC Digital Output Value ......................................................................88
0x77 – Analog Audio ADC Digital Output Value.......................................................................89
0x78 – Analog Audio ADC Digital Output Value........................................................................89
Adjusted Analog Audio ADC Digital Input Value .......................................................................90
0xBD – Adjusted Analog Audio ADC Digital Input Value..........................................................90
0xBE – Adjusted Analog Audio ADC Digital Input Value ..........................................................90
0xBF – Adjusted Analog Audio ADC Digital Input Value ..........................................................90
0xC0 – Adjusted Analog Audio ADC Digital Input Value...........................................................90
0xC1 – Adjusted Analog Audio ADC Digital Input Value...........................................................90
0x79 – Adjusted Analog Audio ADC Digital Input Value ..........................................................91
0x7A – Adjusted Analog Audio ADC Digital Input Value ..........................................................91
MPP Pin Output Mode Control ....................................................................................................92
0xC8 – MPP Pin Output Mode Control........................................................................................92
0xC9 – MPP Pin Output Mode Control........................................................................................94
0xCA – Video Channel Output Control .......................................................................................95
0xCB – Four Channel CIF Time-multiplexed Format ..................................................................96
0xCC – 2nd Channel Selection ....................................................................................................97
0xCD – 1st Channel Selection .....................................................................................................98
0xCE – Analog Power Down Control ..........................................................................................99
0xCF – Serial Mode Control ........................................................................................................99
0xD0, 0xD1, 0x7F - Analog Audio Input Gain ..........................................................................100
0xD2 – Number of Audio to be Recorded ..................................................................................101
0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA – Sequence of Audio to be Recorded.....102
0xDB –Master Control...............................................................................................................103
u-Law/A-Law Output and Mix Mute Control.............................................................................104
0xDC –u-Law/A-Law Output and Mix Mute Control ................................................................104
0x7E – MIX_MUTE_A5 ...........................................................................................................105
Mix Ratio Value ........................................................................................................................106
Techwell, Inc.
www.techwellinc.com
5
12/18/2009
Datasheet Rev. 0.2
Free Datasheet http://www.datasheet4u.com/
5 Page TW2867
4-Channel Video Decoders and Audio Codecs
for Security Application
Pin Description
Analog Video/Audio Interface Pins
Name
VIN1A
VIN1B
VIN2A
VIN2B
VIN3A
VIN3B
VIN4A
VIN4B
NC
NC
RTERM
AIN1
AIN2
AIN3
AIN4
AIN5
AINN
AOUT
Number
13
14
17
18
21
22
25
26
29
32
31
6
7
8
9
10
5
2
Type
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Description
Composite video input A of channel 1.
Composite video input B of channel 1.
Composite video input A of channel 2.
Composite video input B of channel 2.
Composite video input A of channel 3.
Composite video input B of channel 3.
Composite video input A of channel 4.
Composite video input B of channel 4.
Not Connected
Not Connected
Analog video resistance term.
Audio input of channel 1.
Audio input of channel 2.
Audio input of channel 3.
Audio input of channel 4.
Audio input of channel 5.
Audio input negative control.
Audio mixing output.
Techwell, Inc.
www.techwellinc.com
11
12/18/2009
Datasheet Rev. 0.2
Free Datasheet http://www.datasheet4u.com/
11 Page |
Páginas | Total 70 Páginas | |
PDF Descargar | [ Datasheet TW2867.PDF ] |
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