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LS060S2UD01 Datasheet(PDF) 12 Page - Sharp Corporation |
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LS060S2UD01 Datasheet(HTML) 12 Page - Sharp Corporation |
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12 / 21 page ![]() LCP-1310002-10 10. Explanation of Function 10.1. Basic Operation This IC stores image data input from HOST in internal RAM and outputs the image from source terminal S [160:1] accordingly to source output configuration. We will call the operation of HOST inputting image data to this IC (writing into internal RAM) “RAM Write”, and host reading image data from internal RAM “RAM Read”, and outputting image data from this IC to the panel “Panel Transfer”. Timing of each of these operations is accordingly to command from the HOST (Detail is in latter page.). Primarily, image data input only is transferred to the panel. Aside from image data transmitting, registers can be set up to control each function. By reading the register, condition of inside the IC can be checked. Data bus width can be set either 16bit or 8bit by setting up BUSSEL terminal. 16bitbus transmits image data with terminal D [15:0] to and from HOST. For command receiving from HOST and register access, use terminal D [7:0]. 8bitbus uses terminal D [7:0] for image data transmitting, receiving command from HOST and register access. RAM Write There are two kinds of RAM Write: RAM Write Operation Command All screen RAM Write Inputs data of once screen panel size set in register (PSIZEX and PSIZEY) LDIMG Partial RAM Write Inputs image data equal partial area set up in register (PTLAREA). LDIMGPTL RAM Read There are two kinds of RAM Read: RAM Read Operation Command All screen RAM Read Reads data of once screen panel size set in register (PSIZEX and PSIZEY) RDIMG Partial RAM Read Reads image data equal partial area set up in register (PTLAREA). RDIMGPTL Panel Transfer There are two kinds of Panel Transfer: Panel Transfer Operation Command All screen Panel Transfer Transfers data of once screen panel size set in register (PSIZEX and PSIZEY) to the panel DISP Partial Panel Transfer Transfers image data equal partial area set up in register (PTLAREA) to the panel DISPPTL 10.2. Command Transfer Data control from HOST uses two way data bus (D[15:0]. The control signals are CSB, WR, RD and RS. Control Signal Function CSB Chip Select When L, this input interface is active When H, inactive WR Write enable Reads data D by WR rise RD Read enable Reads data D by RD fall. At the time of write operation, it should be fixed at H. RS Recognition of input data D When WR rises and RS=L, recognizes D{7:0} as command. When WR rises and RS=H, recognizes D[15:0] as data. |
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