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參數(shù)資料
| 型號： | SAA8112HL |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Digital Camera Signal Processor and Microcontroller(數(shù)字照相信號處理器和微控制器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-407-1, LQFP-100 |
| 文件頁數(shù)： | 16/40頁 |
| 文件大?。?/td> | 137K |
| 代理商： | SAA8112HL |
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2000 Jan 18
16
Philips Semiconductors
Product specification
Digital camera signal processor and
microcontroller
SAA8112HL
8.7
Measurement Engine
The ME extracts statistical information from the video
stream. These measurements are used to automatically
control the white balance and the exposure. They can also
be used for other purposes, such as colour detection.
The measurements are performed on pre-formatted
Y, U and V streams (see Fig.5). It is possible to measure
the accumulated value of the Y, U or V samples in any of
16 programmable windows. It is also possible to measure
the accumulated value of the Y signal below a threshold or
the number of Y samples above a threshold. Moreover, it
is possible to only accumulate U and V values for which
programmable conditions on Y, U and V are fulfilled.
The ME does up to 16 statistic measurements per frame
(8 perfield).Eachmeasurementcanbedoneonanyofthe
pre-formatted signals and on any of the programmable
windows.
A memory area of the SAA8112HL, called RAM
workspace, is used to handle the ME operations.
In addition to the ME, a highlight counter is available,
which counts the number of pixels above a programmable
threshold. The highlight counter is usually used for
exposure control.
8.8
Display features
The SAA8112HL also offers the possibility of visualizing
selected zones of interests or selected pixels.
The visualization is done either by contrast reduction for
the selected pixels or by constant level insertion.
handbook, full pagewidth
FCE345
SAA8112HL
PROCESSING
RAM WORKSPACE
ACCUMULATOR A
ACCUMULATOR B
YAWB
UAWB
VAWB
YAE
CCD9 to CCD0
YUV output
MEASUREMENT ENGINE
SNERT INTERFACE
Microcontroller (80C51)
Fig.8 Measurement Engine.
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| SAA8113HL | Digital PC-camera signal processor(數(shù)字PC照相信號處理器) |
| SAA8115HL | Digital Camera USB Interface(數(shù)字照相USB接口) |
| SAA8116ET | Digital PC-camera signal processor including microcontroller and USB interface |
| SAA8116HL | Digital PC-camera signal processor, microcontroller andUSB interface |
| SAA8116 | Digital PC-camera signal processor including microcontroller and USB interface |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA8113HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital PC-camera signal processor |
| SAA8115HL | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital camera USB interface |
| SAA8116 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital PC-camera signal processor including microcontroller and USB interface |
| SAA8116104BE | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC PC WEB CAMERA DSP WITH USB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
| SAA8116104BE-S | 功能描述:數(shù)字信號處理器和控制器 - DSP, DSC PC WEB CAMERA DSP WITH USB RoHS:否 制造商:Microchip Technology 核心:dsPIC 數(shù)據(jù)總線寬度:16 bit 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:2 KB 最大時鐘頻率:40 MHz 可編程輸入/輸出端數(shù)量:35 定時器數(shù)量:3 設(shè)備每秒兆指令數(shù):50 MIPs 工作電源電壓:3.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-44 安裝風格:SMD/SMT |
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