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ADE3700XT 数据表(PDF) 54 Page - STMicroelectronics |
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ADE3700XT 数据表(HTML) 54 Page - STMicroelectronics |
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54 / 89 page  Pattern Generator ADE3700 54/89 2.13 Pattern Generator The integrated Pattern Generator gives the ability to display a set of graphic patterns to help debugging systems and test LCD panels. It is located ahead of the color management block, so all generated colors are subject to further transforms. The screen can be split into a programmable grid of up to 8x8 areas. In each of these areas, it is possible to display one of two independent programmable patterns. 2.13.1 Screen Split A set of eight Grid registers grid0 - grid7 with eight bits each represents a block map of the grid of 8x8 blocks. Each bit of the Grid registers represents one rectangular (gridX)x(gridY) block of pixels which covers the LCD screen display area. Within these registers, a 0 selects Pattern 0 (defined below) and a 1 selects Pattern 1. All cells have the same size, defined by one horizontal and one vertical grid block size registers gridX and gridY. When the programmed block size is such that the complete 8x8 grid is larger than the total screen area, only the blocks or part of blocks that are included in the output screen space are rendered. The 8x8 block set is upper left justified, such that all blocks on the right and bottom sides that are outside of the total display area are not rendered. TCON_X_62 0x0BBE R/W [7:0] 0x0 input selection for SRTD_31.A (Refer to Table 18 for definition) TCON_X_63 0x0BBF R/W [7:0] 0x0 input selection for SRTD_31.B (Refer to Table 18 for definition) Table 18: Input Selection Values Value Description Value Description 0x00 0 0x39 2 frame + 2 line + 1 pixel toggle 0x01 1 0x3A HCOUNT[0] 0x02 External TCON input pin 0x3B HCOUNT[1] 0x03 I2C SRTD init bit 0x3C VCOUNT[0] 0x04 - 0x1F comp0 - comp27 0x3D VCOUNT[1] 0x20 - 0x37 SRTD8 - SRTD31 0x3E FCOUNT[0] 0x38 2 frame + 1 line + 2 pixel toggle 0x3F FCOUNT[1] Table 17: TCON Registers (Sheet 7 of 7) Register Name Addr. Mode Bits Default Description |
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