| 전자부품 데이터시트 검색엔진 |
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M35076 데이터시트(PDF) 19 Page - Renesas Technology Corp |
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M35076 데이터시트(HTML) 19 Page - Renesas Technology Corp |
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19 / 46 page ![]() MITSUBISHI MICROCOMPUTERS M35076-XXXSP SCREEN CHARACTER and PATTERN DISPLAY CONTROLLERS 18 (2) To set display frequency range Whenever setting display frequency (when EXCK1 = "0", EXCK0 = "1", or EXCK1 = "1", EXCK0 = "1"), always set the display frequency range in accordance with the display frequency. This range is set from DIVS0, DIVS1, DIVS2 (address 12016), RSEL0 address 12116) and RSEL1 (address 12216). Frequency ranges are given here below. (3) Notes on setting display frequency To change external clock (display) frequency or horizontal synchronization frequency, always use the following procedures. To set EXCK1 = "0", EXCK0 = "1" (a) Turn the display OFF. … DSPON (address 12816) = "0" (b) Set the display frequency. … Set from DIV10 to DIV0, DIVS0, DIVS1, DIVS2 (address 12016), RSEL0 (address 12116) and RSEL1 (address 12216). (c) Wait 20 ms while the horizontal synchronization signal is being input. (d) Turn the display ON. … DSPON (address 12816) = "1" To set EXCK1 = "1", EXCK0 = "1" (a) Turn the display OFF. … DSPON (address 12816) = "0" (b) Set the display frequency. … Set from DIV10 to DIV0, DIVS0, DIVS1, DIVS2 (address 12016), RSEL0 (address 12116) and RSEL1 (address 12216). (c) Wait 20 ms while the horizontal synchronization signal and external clock are being input. (d) Turn the display ON. … DSPON (address 12816) = "1" RSEL1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 RSEL0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 DIVS1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 DIVS0 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 DIVS2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 Display frequency range(MHz) 100.0 to 110.0 92.0 to 100.0 73.0 to 92.0 66.5 to 73.0 61.0 to 66.5 49.0 to 61.0 45.5 to 49.0 36.5 to 45.5 33.5 to 36.5 30.5 to 33.5 24.5 to 30.5 23.0 to 24.5 20.0 to 23.0 |
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