參數(shù)資料
型號: W9966CF
文件頁數(shù): 12/44頁
文件大?。?/td> 278K
代理商: W9966CF
Prel i m nary -12- November 1997
W9966CF/TF
Video Camera Interface Controller with Compression
7 Functional Description
The block diagram for the W9966CF/TF is shown in Figure 6.1.
7.1CCD Interface
CCD input data is translated, cropped and/or down-scaled in the CCD Interface block, then is sent to
the VEE (Video Encoding Engine) block for data encoding. Figure 7.1 shows the functional block
diagram for the CCD Interface block.
IFT
DIN15-0
CCDCLK
Cropping
Down-
scaling
VS
HS
to VEE
FIGURE 7.1 CCD INTERFACE BLOCK DIAGRAM
7.1.1Input Format Translator (IFT)
The W9966CF/TF accepts CCD data in either 16-bit YUV 4:2:2 format, or in 8-bit digitized CCD raw
data format. DIN15-0 are defined as following in either format:
TABLE 7.1 CCD INPUT PIN DEFINITION
PIN NAME
16-BIT YUV 4:2:2
8-BIT CCD RAW DATA
DIN15
Y7
Unused
DIN14
Y6
Unused
DIN13
Y5
Unused
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