国产精品成人VA在线观看-国产乱妇乱子视频在播放-国产日韩精品一区二区三区在线-国模精品一区二区三区

參數資料
型號： W9967BCF
廠商： WINBOND ELECTRONICS CORP
英文描述： JPEG USB Camera Chip(運用JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器)
中文描述： USB相機的JPEG芯片（運用的JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器）
文件頁數： 3/72頁
文件大?。?/td> 756K
代理商： W9967BCF
W9967BCF
Publication Release Date: March 2000
Revision A1
- 3 -
TABLE OF CONTENTS
1 GENERAL DESCRIPTION
........................................................................................................7
2 FEATURES
...............................................................................................................................8
3 PIN CONFIGURATION
............................................................................................................ 10
4 PIN DESCRIPTION
................................................................................................................. 11
4.1 P
IN
D
EFINITION
....................................................................................................................................................11
4.2 P
IN
L
IST
................................................................................................................................................................15
4.3 P
OWER
-
ON
R
ESET
I
NITIALIZATION
.....................................................................................................................16
5 SYSTEM DIAGRAM
................................................................................................................ 17
6 BLOCK DIAGRAM
.................................................................................................................. 18
7 FUNCTIONAL DESCRIPTION
................................................................................................. 19
7.1 V
IDEO
I
NPUT
I
NTERFACE
....................................................................................................................................19
7.1.1 Camera Control Serial Bus
.....................................................................................................................19
7.1.2 Input Video Data Format
.........................................................................................................................19
7.1.3 Cropping
......................................................................................................................................................20
7.1.4 Scaling
.........................................................................................................................................................20
7.1.5 Filtering
........................................................................................................................................................21
7.1.6 Captured Video Data Format
..................................................................................................................21
7.2 DRAM C
ONTROL AND
I
NTERFACE
....................................................................................................................22
7.2.1 DRAM Access Arbitration
........................................................................................................................22
7.2.2 DRAM Interface
.........................................................................................................................................22
7.3 JPEG C
OMPRESSION
.........................................................................................................................................24
7.3.1 Level Shift and Forward DCT
.................................................................................................................24
7.3.2 Quantization
................................................................................................................................................24
7.3.3 Huffman Encoding
.....................................................................................................................................24
7.3.4 JPEG Encoding Order
..............................................................................................................................25
7.4 USB I
NTERFACE AND
D
EVICE
C
ONTROL
..........................................................................................................26
7.4.1 Endpoints
.......................................................................................................................................................26
7.4.1.1 Default Endpoint (Endpoint 0)
............................................................................................................................26
7.4.1.2 Video Data-In Endpoint (Endpoint 1)
................................................................................................................26
7.4.2 USB Device Requests
..............................................................................................................................26
7.4.2.1 Standard Device Requests
.................................................................................................................................26
7.4.2.2 Video Camera Class-Specific Requests
..........................................................................................................28
7.4.2.3 Vendor-Specific Requests
..................................................................................................................................28
相關PDF資料
PDF描述
W9967CF JPEG USB Camera Chip(運用JPEG壓縮技術和通用串行總線結構技術的照相電路數字處理芯片的攝像照相機接口控制器)
W99681CF JPEG USB Dual Mode Camera Chip(運用JPEG壓縮技術、通用串行總線結構技術、雙制式的照相電路數字處理芯片的攝像照相機接口控制器)
W9971CF Integrated Video Graphics Accelerator(集成的視頻圖形加速器)
W9980 Digital Voice Recorder(數字式錄音器)
WA08-2433A 820-980 MHz LOW NOISE BALANCE AMPLIFIER WA08-2433A
相關代理商/技術參數
參數描述
W99681CF 制造商:WINBOND 制造商全稱:Winbond 功能描述:JPEG USB Dual Mode Camera Chip
W99685 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
W99685BS 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM CAMERA DEVICE
W99685FS 制造商:WINBOND 制造商全稱:Winbond 功能描述:SYSTEM CAMERA DEVICE
W9968CF 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Digital Camera
發布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發布成功！您可以繼續發布采購。也可以進入我的后臺，查看報價

發布成功！您可以繼續發布采購。也可以進入我的后臺，查看報價

*型號 *數量 廠商 批號 封裝
添加更多采購

我的聯系方式

*
*
*