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)： 45/61頁(yè)
文件大?。?/td> 2621K
代理商： HV7131RP
HV7131GP
2004/10/29 V2.4 45
The register value specify the current R or B pixel’s differential value with neighboring G pixels, and is
used to check whether current R or B pixel is dark bad pixel or not.
Frame Timing
For clear description of frame timing, clocks’ acronym and relation are reminded in here again.
< Clock Acronym Definition >
MCF : Master Clock Frequency
DCF : Divided Clock Frequency
SCF : Sensor Clock Frequency
ICF : Image Processing Clock Frequency
VCF : Video Clock Frequency
LCF : Line Clock Frequency
< Clock Frequency Relation >
MCF : MCF
DCF : MCF/Clock Division
SCF : DCF/2
ICF
SCF for 3x3 interpolation,
SCF/2 for 1/4 subsampling mode
SCF/4 for 1/16 subsampling mode
VCF : ICF for 16bit output, ICF*2 for 8bit output
LCF : 1/(HBLANK Period + HSYNC Period)
HBLANK Period : HBLANK Time register value * (1/SCF)
HSYNC Period : HSYNC Active Time
< Frame Time Calculation >
Core Frame Time is
(IDLE SLOT + Video Height * LCP)
and Real Frame Time is resolved as follows.
When Integration Time > Core Frame Time, Real Frame Time is (Integration Time + VBLANK * LCP),
otherwise is (Core Frame Time + VBLANK * LCP).
1. 3x3 Color Interpolation Timing
3x3 Color Interpolation 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 SCPs
Output Bus Width
8bit
VGA Video Output Frequency
SCF * 2 = 20Mhz
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