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AM1808AZCED3 Datasheet(PDF) 197 Page - Texas Instruments |
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AM1808AZCED3 Datasheet(HTML) 197 Page - Texas Instruments |
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197 / 264 page  AM1808 www.ti.com SPRS653A – FEBRUARY 2010 – REVISED APRIL 2010 6.24 LCD Controller (LCDC) The LCD controller consists of two independent controllers, the Raster Controller and the LCD Interface Display Driver (LIDD) controller. Each controller operates independently from the other and only one of them is active at any given time. • The Raster Controller handles the synchronous LCD interface. It provides timing and data for constant graphics refresh to a passive display. It supports a wide variety of monochrome and full-color display types and sizes by use of programmable timing controls, a built-in palette, and a gray-scale/serializer. Graphics data is processed and stored in frame buffers. A frame buffer is a contiguous memory block in the system. A built-in DMA engine supplies the graphics data to the Raster engine which, in turn, outputs to the external LCD device. • The LIDD Controller supports the asynchronous LCD interface. It provides full-timing programmability of control signals (CS, WE, OE, ALE) and output data. Table 6-107 lists the LCD Controller registers. Table 6-107. LCD Controller Registers BYTE ADDRESS ACRONYM REGISTER DESCRIPTION 0x01E1 3000 REVID LCD Revision Identification Register 0x01E1 3004 LCD_CTRL LCD Control Register 0x01E1 3008 LCD_STAT LCD Status Register 0x01E1 300C LIDD_CTRL LCD LIDD Control Register 0x01E1 3010 LIDD_CS0_CONF LCD LIDD CS0 Configuration Register 0x01E1 3014 LIDD_CS0_ADDR LCD LIDD CS0 Address Read/Write Register 0x01E1 3018 LIDD_CS0_DATA LCD LIDD CS0 Data Read/Write Register 0x01E1 301C LIDD_CS1_CONF LCD LIDD CS1 Configuration Register 0x01E1 3020 LIDD_CS1_ADDR LCD LIDD CS1 Address Read/Write Register 0x01E1 3024 LIDD_CS1_DATA LCD LIDD CS1 Data Read/Write Register 0x01E1 3028 RASTER_CTRL LCD Raster Control Register 0x01E1 302C RASTER_TIMING_0 LCD Raster Timing 0 Register 0x01E1 3030 RASTER_TIMING_1 LCD Raster Timing 1 Register 0x01E1 3034 RASTER_TIMING_2 LCD Raster Timing 2 Register 0x01E1 3038 RASTER_SUBPANEL LCD Raster Subpanel Display Register 0x01E1 3040 LCDDMA_CTRL LCD DMA Control Register 0x01E1 3044 LCDDMA_FB0_BASE LCD DMA Frame Buffer 0 Base Address Register 0x01E1 3048 LCDDMA_FB0_CEILING LCD DMA Frame Buffer 0 Ceiling Address Register 0x01E1 304C LCDDMA_FB1_BASE LCD DMA Frame Buffer 1 Base Address Register 0x01E1 3050 LCDDMA_FB1_CEILING LCD DMA Frame Buffer 1 Ceiling Address Register Copyright © 2010, Texas Instruments Incorporated Peripheral Information and Electrical Specifications 197 Submit Documentation Feedback Product Folder Link(s): AM1808 |
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