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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HM17CM256 датащи(PDF) 57 Page - Hynix Semiconductor |
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HM17CM256 датащи(HTML) 57 Page - Hynix Semiconductor |
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57 / 111 page  HM17CM256 - 57 - (34-8) Display control (2) register set CS RS RD WR RE2 RE1 RE0 D7 D6 D5 D4 D3 D2 D1 D0 0 1 1 0 0 0 0 1 0 0 1 REV NLIN SWAP REF ( reset :{REV, NLIN, SWAP, REF}=0H, read address :9H ) various control setting of display a) REF command When CPU tries to access display RAM, the relation between X address and write data is changed by command, normal or headfirst. The output sequence of display data to segment driver can be controlled by register setting. The IC can be placed in panel with less constraint at application. b) SWAP command When CPU tries to access display RAM, the display data can be swapped. SWAP=”0”: Normal state, D7~D0 or D15~D0 are written to the RAM. SWAP=”1”: SWAP mode on : The swapped data of D7~D0 or D15~D0 are written to the RAM. SWAP=”0” SWAP=”1” Write data D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 Internal data d7 d6 d5 d4 d3 d2 d1 d0 d0 d1 d2 d3 d4 d5 d6 d7 Read data D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 c) NLIN command n line inversion ON/OFF control. NLIN=”0”: n line inversion OFF. Polarity signal, FR is inverted every other frame. NLIN=”1”: n line inversion ON. The n lines are inverted according to the contents of n line inversion register d) REV command The relation between RAM data and display data is defined by this command. REV=”0”: The display data are reflected the RAM data until that time. REV=”1”: The display data are reflected the opposite data from RAM data. |
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