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參數(shù)資料
| 型號： | ZC0302 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | VGA & CIF USB PC Camera Controller |
| 中文描述： | 顯卡 |
| 文件頁數(shù)： | 6/13頁 |
| 文件大?。?/td> | 192K |
| 代理商： | ZC0302 |
6
Mar. 2002
ZC0302
VGA & CIF USB PC Camera Controller
2.3. USB Features
Built-in USB transceiver
Suspend and Remote wakeup
3 interface for video, audio and control
Programmable OEM USB parameters by EEPROM including: vendor ID, product ID, MaxPower, serial Number,
manufacture descriptor, product descriptor and chip revision.
2.4. Image Signal Processing
Hardware Dead Pixel Detection/Concealment
8/9-bit RGB raw data input from CMOS image sensor
2-wire/3-wire serial bus interface to CMOS image sensor
Programmable white balance, color correction and gamma correction
Support automatic Exposure Control, automatic White Balance, automatic CMOS Reset Level Control,
automatic Gain Control and auto/manual Histogram Equalization
Support programmable AE/AWB windows
Support edge enhancement and noise removal
Support 2x2 Sub-Sampling
2.5. Raster
The output data format is 4:2:2 YCbCr
Change the input image data to 8x8 block data format required by the DCT
2.6. Compression Engine
Standard JPEG compression engine comply to ISO/IEC 10918-1 (JPEG)
2 AC and 2 DC Huffman code table
4 quantization tables for different image quality
Adjustable compression rate by Bit Rate Control (BRC) engine
Simplified JPEG header for better performance are programmable
VGA @ 15fps, CIF/SIF up to 30 fps
Adjustable frame rate for efficient bandwidth usage
2.7. Audio Interface
Built-in 16-bit mono audio ADC for audio recording through microphone
Sampling rate @ 8K/16K Hz
USB audio device class 1.0 compliance
2.8. System Controller
Providing the control to ISP, JPEG, and USB blocks
Configuring the control registers
Chip clock generation
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