PC1030N PDF

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Revision History Version 0. Effective pixel array C Caution : This datasheet can be changed without prior notice!! If you want to get up-to-date version, please send a mail to support pixelplus. PD Rev 0. Table of Contents? Features - [ Fig. Signal Environment? Chip p Architecture - [ Fig. Frame Structure and Windowing? Data Formats - [ Fig. Register Tables? Register g Tables Detailed?

Power supply : AVDD : 2. Image processing on chip : on lens shading, gamma correction, defect correction, low pass filter, color interpolation, edge enhancement, color correction, brightness, contrast, saturation, auto black level compensation, auto white balance, auto exposure control and back light compensation. Frame size size, window size and position can be programmed through a 2-wire serial interface bus.

High Image Quality and High low light performance. Operating Temp. Fully Functional Temp. HSYNC is high or low for the horizontal window of interest. It can be programmed to appear or not outside the vertical window of interest.

Vertical sync y : Indicates the start of a new frame. System reset must remain low for at least 8 master clocks after power is stabilized.

When the sensor is reset, all registers are set to their default values. Analog Power supply : 2. Bit 0 of parallel data output. Bit 1 of parallel data output. Bit 2 of parallel data output. Crystal output pad Power standby mode. All registers retain their current values. DAC Power supply : 2. Composite signal. External Resistor.

The resistor value can be changed by user tuning. Data can be latched by external devices at the rising or falling edge of PCLK. The polarity and drivability can be controlled. LED Control bit 0. It lets user or processor know whether there are motion of something on video. LED Control bit 1. C on PD Rev 0. Bit 5 of parallel data output. Signal Environment PCN has 3 3. Input signals must be higher than or equal to HVDD but cannot be higher than 3.

PCN input pad has built in reverse current protection circuit, which makes it possible to apply input voltage even if the HVDD is disconnected or floating. CDS circuit reduces noise signals generated from various sources mainly resulting from process variations. Pixel output is compared with the reset level of its own and only the difference signal is factors to balance the color of images in various light conditions.

The analog signals are converted to digital y column. The Bayer y RGB data are passed p forms one line at a time and 1 line data are streamed out column by through a sequence of image signal processing block and pre-encoder and encoder blocks to produce YCbCr output data or composite output. Image signal processing includes such operations as gamma correction, color saturation, white balance, exposure control and back light compensation.

Internal functions and output signal timing can be programmed simply by modifying the register files through 2-wire serial interface. Analog Control signal Row w decoder defect correction, low pass filter, color interpolation, edge enhancement, color correction, contrast stretch, sampled, thus reducing fixed error signal level. Frame Structure and Windowing Origin g 0, 0 of the frame is at the upper right g corner.

Size of the frame is determined by y two registers g : framewidth Reg. Ah, Ah and frameheight Reg. Ah, Ah. Pixel scanning begins from 0, 0 and proceeds row by row array size. Default window array of x pixels is positioned at , It is possible to define a downward, and for each line scan direction is from right to the left. Hsync signal indicates if the output is from a pixel that belongs to the window or not. Counter values repeat the cycle of 0 to frameheight , and 0 to framewidth respectively.

The counter values increase at the pace of pixel clock PCLK , which does not change as the frame size is altered. The pixel data rate is fixed and is independent of frame size frame rate. Top view PD Rev 0. Since each pixel can have only one type of filter on it, only one color component can be produced by a pixel. Generally one pixel of an image consists of R,G,B color components.

Since one pixel of bayer RGB is composed of one of the 3 components, the other two components of a pixel must be derived from neighbor pixels. For example, G component for a B its R component as an average of its four nearest R neighbors. Color interpolation produces an undesirable artifact in image. Sampling nature of color filter can leave an interference pattern around an area with repetitive fine lines.

PCK adopts a low pass filter to After color interpolation, every pixel has all three color components. And then the pixel data pass image processing block to improve the image quality. It is possible to extract monochrome luminance data from RGB color components and the convercomponents.

And the color information is separated from luminance information according to following equations. C Since human eyes are less sensitive to color variation than to luminance, color components can be sub-sampled to reduce the amount of data to be transmitted, but preserving almost the same image PCK supports YCbCr data format Cb1 Y1 Cr1 Y2 Cb3 Y3 Cr3 Y4 … where Cb and Cr components are horizontally sub-sampled such that U and V for every other pixel are omitted.

PCK also support [ Fig. Fig 5 ] YCbCr data sequence sequence. YUV data format. The horizontal size is stretched from to pixels. Horizontal timing of xi and xi size BT is shown in [Fig. Timing reference indicates Start or End of video. The numbers on the image indicate Line number. For line format, active lines are per a field. Vertical Timing is slightly different to Typical BT. In active data regions above [Fig.

And Horizontal data are reduced by one half of full size This mode can provide digital data output concurrent to analog TV output.

In NTSC mode, it provides x size images with 30fps. And in PAL mode, it does x size images with 25 fps. Data can be latched at the rising or falling edge of PCLK. Hsync can be set to be active high or active low Data value can be selected in Invalid or blanking region. Reg Reg. Vsync is controlled by Vsyncstart and vsyncstop registers. V Vsync Hsync on [ Fig. Hsync can be set to be active high or active low.

The data [ Fig. Hsync on C PD Rev 0. Please refer to [Fig. Data is transferred into and out of the PCN through the Register Either the slave or master device can pull the lines down. The 2-wire Serial Interface protocol determines which device is allowed to pull the two lines down at any given time. Slave Address The 8 8-bit bit address of a 2-wire 2 wire Serial Interface device consists of 7-bit 7 bit of address and 1-bit 1 bit of direction.

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