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PDF ZC0302 Data sheet ( Hoja de datos )
| Número de pieza | ZC0302 | |
| Descripción | VGA & CIF USB PC Camera Controller | |
| Fabricantes | ETC | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ZC0302 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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om ZC0302
U.c VGA & CIF USB PC Camera Controller
ataSheet4ZC0302
.DVGA USB PC Camera Processor
wwwVimicro Corporation
Data Shweewt w.DataSheet4U.com
Vimicro Corporation reserves the right to make changes without further notice to any product herein to improve
mreliability, function or design. Vimicro does not assume any liability arising out of the application or use of any
oproject, circuit described herein; neither does it convey any license under its patent nor the right of others.
t4U.cThis document contains information of a proprietary nature. None of this information shall be divulged to persons
eother than Vimicro Corporation employee authorized by the nature of their duties to receive such information, or
eindividuals or organizations authorized by Vimicro Corporation.
www.DataSh1 Mar. 2002
1 page  
2. Architecture
2.1. ZC0302 Block Diagram
EEPROM
EEPROM
Interface
ZC0302
VGA & CIF USB PC Camera Controller
MIC
Audio
Interface
System Controller
PC
HOST
ZC0302
FIGURE 2 BLOCK DIAGRAM OF ZC0302
Figure 2 shows the block diagram of ZC0302. The ISP block receives RGB raw data from CMOS image sensor
interface and performs various image processing tasks such as white balance, color correction, gamma correction,
histogram equalization and so on. The Sub-sample & Raster block handles the input image data scaling and
converts input image data to 8x8 block data format required by DCT module. The JPEG Encoder block compresses
the image data from ISP block into JPEG format data. The compressed image data is then transferred to PC host
via USB Device Controller (UDC) block for display.
The Audio Interface takes the audio input in mono 16-bit PCM format, and then transfers it to PC Host through the
audio streaming pipe in UDC.
2.2. CMOS Image Sensor Interfaces
Support sensors from most CMOS image sensor vendors including Agilent, Hynix, IC Media, TASC, PixArt,
Photobit, OmniVision, and Century
9bit/8bit camera input interface
5 Mar. 2002
5 Page 
ZC0302
VGA & CIF USB PC Camera Controller
TLRLF
Rise and fall time
matching
TLRLF=TLR/TLF
80 125
%
TABLE 4.4 LOW-SPEED DRIVER ELECTRICAL CHARACTERISTICS
4.4. RESET Timing AC Characteristics
Symbol
Trst
FIGURE 4 RESET TIMING AC CHARACTERISTICS DIAGRAM
Parameter
Conditions Min
Max
Unit
Reset Pulse Width
-- 20
ms
TABLE 4.5 RESET SIGNAL AC CHARACTERISTICS
4.5. Clock AC Characteristics
Symbol
1/Tcyc
Thigh
FIGURE 5 CLOCK TIMING AC CHARACTERISTICS DIAGRAM
Parameter
Conditions Min
Max
Unit
Oscillator
Frequency
Oscillator Clock
High Time
48@10PPM -
8.3
-
-
Mhz
Ns
11
Mar. 2002
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ZC0302.PDF ] | |
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