參數(shù)資料
型號(hào): HV7131RP
廠商: Electronic Theatre Controls, Inc.
英文描述: CMOS Image Sensor with Image Signal Processing
中文描述: 的CMOS圖像傳感器和圖像信號(hào)處理
文件頁(yè)數(shù): 47/61頁(yè)
文件大?。?/td> 2621K
代理商: HV7131RP
HV7131GP
2004/10/29 V2.4 47
Y
Cb
Y
Cr
Y
Cb
Y
Cr
One active
Video Line is
equal to one
Line Clock
Period(LCP)
= 848 SCPs
HBLANK
(208 SCPs)
HSYNC
(640 SCPs)
SCF
(10Mhz)
VCF[VCLK]
(20Mhz)
Y[7:0]
2. 1/4 Subsampling Timing
1/4 Subsampling Frame Timing Related Parameters
Master Clock Frequency(MCF)
20Mhz
Divided Clock Frequency(DCF)
MCF/1 = 20Mhz
Sensor Clock Frequency(SCF)
DCF/2 = 10Mhz
Sensor Clock Period(SCP)
1/10Mhz = 100ns
Window Width
640
Window Height
480
HBLANK Value
208
VBLANK Value
8
VSYNC Mode
Line Mode
Line Clock Period(LCP)
848 * 2 SCPs
Output Bus Width
8bit
SIF Video Output Frequency
SCF * 1 = 10Mhz
Final Video Output Size
320x240
In 1/4 subsampling mode, valid video data is produced every other line, i.e. for 480 LCPs, active video
lines are 240. HSYNC active time is equal to HSYNC active time of 3x3 color interpolation mode, but
video clock frequency is half of 3x3 color interpolation mode’s to produce half size output in horizontal
direction.
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