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PCF2116 数据表(PDF) 21 Page - NXP Semiconductors |
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PCF2116 数据表(HTML) 21 Page - NXP Semiconductors |
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21 / 64 page ![]() 1997 Apr 07 21 Philips Semiconductors Product specification LCD controller/drivers PCF2116 family 8.17 Programming MUX 1 : 16 displays with the PCF2114x The PCF2114x can be used in: • 1-line mode to drive a 2-line display • 2 × 12 characters with MUX rate 1 : 16, resulting in better contrast. The internal data flow of the chip is optimized for this purpose. With the ‘Function set’ instruction M and N are set to 0, 0. Figures 15 to 17 show DDRAM addresses of the display characters. The second row of each table corresponds to either the right half of a 1-line display or to the second line of a 2-line display. Wrap around of data during display shift or when writing data is non-standard. Fig.15 DDRAM-to-display mapping; no shift (PCF2114x). handbook, full pagewidth 00 01 02 03 04 05 06 07 08 09 0A 0B 1 23 4 5 67 8 9 10 11 12 MLB899 display position DDRAM address 0C 0D 0E 0F 10 11 12 13 14 15 16 17 13 14 15 16 17 18 19 20 21 22 23 24 display position DDRAM address Fig.16 DDRAM-to-display mapping; right shift (PCF2114x). handbook, full pagewidth 4F 00 01 02 03 04 05 06 07 08 09 0A 1 23 4 5 67 8 9 10 11 12 MLB900 display position DDRAM address 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 13 14 15 16 17 18 19 20 21 22 23 24 display position DDRAM address Fig.17 DDRAM-to-display mapping; left shift (PCF2114x). handbook, full pagewidth 01 02 03 04 05 06 07 08 09 0A 0B 0C 1 23 4 5 67 8 9 10 11 12 MLB901 display position DDRAM address 0D 0E 0F 10 11 12 13 14 15 16 17 18 13 14 15 16 17 18 19 20 21 22 23 24 display position DDRAM address |
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