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NJU6818 Datasheet(PDF) 37 Page - New Japan Radio |
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NJU6818 Datasheet(HTML) 37 Page - New Japan Radio |
37 / 102 page NJU6818 - 37 - In the 16-bit data bus mode, the data assignments between the gradation palettes and the segment drivers vary in accordance with setting for the “SWAP” and “REF” bits of the "Display control (2)" instruction as well as the assignment in the 8-bit data bus mode. (REF, SWAP)=(0, 0) or (1, 1) Note) DDRAM column address :nH (REF=”0”) :67H - nH (REF=”1”) (REF, SWAP)=(0, 1) or (1, 0) Note) DDRAM column address :nH (REF=”0”) :67H -nH (REF=”1”) SEGAi SEGBi SEGCi (i=0 to 103) MSB LSB MSB LSB MSB Gradation palette j=0 to 15 Display data from MPU Gradation control circuit Display data in DDRAM LSB PaletteAj PaletteBj PaletteCj 0 0 0 0 1 1 1 1 0 0 1 0 0 0 0 0 1 1 1 1 0 0 1 0 D 15 D 14 D 12 D 13 D 10 D 9 D 8 D 7 D 4 D 3 D 1 D 2 D 15 D 14 D 12 D 13 D 10 D 9 D 8 D 7 D 4 D 3 D 1 D 2 (D 11 D 10 D 8 D 9 D 7 D 6 D 5 D 4 D 3 D 2 D 0) D 1 ABS=1 (D11 D10 D 8 D 9 D 7 D 6 D 5 D 4 D 3 D 2 D 0) D 1 ABS=1 Column address; nH Gradation palette j=0 to 15 i=0 to 103 Display data from MPU Gradation control circuit Display data in DDRAM LSB MSB LSB MSB LSB MSB SEGAi SEGBi SEGCi PaletteAj PaletteBj PaletteCj 1 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 D 15 D 14 D 12 D 13 D 10 D 9 D 8 D 7 D 4 D 3 D 1 D 2 Column address; nH (D 11 D 10 D 8 D 9 D 7 D 6 D 5 D 4 D 3 D 2 D 0) D 1 ABS=1 Gradation palette j=0 to 15 Display data from MPU Gradation control circuit Display data in DDRAM LSB MSB LSB MSB LSB MSB SEGAi SEGBi SEGCi PaletteAj PaletteBj PaletteCj 1 1 1 1 0 0 0 0 1 0 0 0 0 0 0 0 1 1 1 1 0 0 1 0 D 15 D 14 D 12 D 13 D 10 D 9 D 8 D 7 D 4 D 3 D 1 D 2 Column address; nH (D 11 D 10 D 8 D 9 D 7 D 6 D 5 D 4 D 3 D 2 D 0) D 1 ABS=1 |
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