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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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ADE3000 数据表(PDF) 61 Page - STMicroelectronics |
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ADE3000 数据表(HTML) 61 Page - STMicroelectronics |
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61 / 88 page  61/88 ADE3XXX Pattern Generator Block When the programmed block size corresponds to a larger 8x8 grid than the total screen area, only the blocks or part of blocks included in the output screen space are rendered. The 8x8 block set is upper left justified. All blocks from the right and bottom sides which are outside the total display area are not rendered. When the programmed block size corresponds to a smaller 8x8 grid than the total screen area, the part of the screen area which is outside the 8x8 grid is forced to black. Pattern Engine The pattern generator has two pattern display engines to display two patterns simultaneously on the LCD screen. Each engine displays horizontal or vertical bicolor stripes, bicolor checkers, color bars, gray scales or color scales. It is also possible to select the video stream from the scaler as a pattern. The pattern engine displays a bi-directional x-y symmetric pattern. Two 24b colors, C0 and C1, are alternately displayed with a horizontal period of Width and vertical period of Height. Programming a large Width and a small Height generates horizontal bars whereas the opposite generates vertical bars. Programming small numbers for Width and Height generates checker patterns. Both patterns are also given X and Y offset attributes, they can be centered inside the grid blocks. A gradient effect can be applied independently on each pattern, to either or both horizontal and vertical directions. The gradient effect takes two parameters: STEP and DELTA that define a ramp. Borders The border generator adds a single pixel width border to the whole display area. Each side color of the display is selectable among 8 independent colors. Table 21: PGEN Registers (Sheet 1 of 4) Register Name Addr Mode Bits Default Description PGEN_PGEN_ENAB 0x0600 [7:1] Reserved R/W [0] 0x0 0 = disable PGEN block 1 = enable PGEN block PGEN_GRID0 0x0601 R/W [7:0] 0x0 Grid Row 0 PGEN_GRID1 0x0602 R/W [7:0] 0x0 Grid Row 1 PGEN_GRID2 0x0603 R/W [7:0] 0x0 Grid Row 2 PGEN_GRID3 0x0604 R/W [7:0] 0x0 Grid Row 3 PGEN_GRID4 0x0605 R/W [7:0] 0x0 Grid Row 4 PGEN_GRID5 0x0606 R/W [7:0] 0x0 Grid Row 5 PGEN_GRID6 0x0607 R/W [7:0] 0x0 Grid Row 6 PGEN_GRID7 0x0608 R/W [7:0] 0x0 Grid Row 7 PGEN_GRID_X_L 0x0609 R/W [7:0] 0x0 width of a grid block in pixels [7:0] PGEN_GRID_X_H 0x060A [7:4] Reserved R/W [3:0] 0x0 width of a grid block in pixels [11:8] PGEN_GRID_Y_L 0x060B R/W [7:0] 0x0 height of a grid block in pixels [7:0] PGEN_GRID_Y_H 0x060C [7:4] Reserved R/W [3:0] 0x0 height of a grid block in pixels [11:8] PGEN_GRID_X_OFFSET_X_L 0x060D R/W [7:0] 0x0 grid block horizontal offset in pixels [7:0] PGEN_GRID_X_OFFSET_X_H 0x060E [7:4] Reserved R/W [3:0] 0x0 grid block horizontal offset in pixels [11:8] PGEN_GRID_Y_OFFSET_Y_L 0x060F R/W [7:4] 0x0 grid block vertical offset in pixels PGEN_GRID_Y_OFFSET_Y_H 0x0610 R/W [3:0] |
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