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IS15DBFP4RGB Datasheet(PDF) 6 Page - GREATECS |
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IS15DBFP4RGB Datasheet(HTML) 6 Page - GREATECS |
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6 / 7 page ![]() LCD Switches Programmable High Resolution LCD Switches IS Series sales@greatecs.com www.greatecs.com 6 TIMING SPECIFICATIONS FOR SMARTSWITCH & SMARTDISPLAY BITMAP SPI Timing Chart (SS Using) SPI Timing Chart (SS Low Level Fixed) SDI and SCK shall be kept high when the communication is not complete. ts SS tcyc CK thw CK th SS ts DI th DI td DO D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 SS SCK SDI SDO tcyc CK thw CK ts DI th DI D7 D6 D5 D4 D3 D2 D1 D0 td DO D7 D6 D5 D4 D3 D2 D1 D0 SS SCK SDI SDO Low Circuit Example SPI Characteristics (See Timing Diagram) (Temperature at –15°C ~ +50°C and V DD = 5.0V ± 2%) Items Symbols Minimum Maximum SPI_SS Set Up Time ts SS 10ns SPI_SS Hold Time th SS 10ns SPI_CLK Cycle tcyc CK 8MHz SPI_CLK Width thw CK 10ns SPI_DI Set Up Time ts DI 10ns SPI_DI Hold Time th DI 10ns SPI_DO Delay Time td DO 10ns SCK SDI SS SCK SDI SS IS_2 IS_1 SCK SDI SS IS_3 SCK SDI SS IS_6 SCK SDI SS IS_5 SCK SDI SS IS_4 SCK SDI SS IS_7 SCK SDI SS IS_8 SCK SDI SS IS_9 DATA_1 DATA_2 DATA_3 CLK_1 CLK_2 CLK_3 Segment 1 2 3 4 5 6 7 8 9 • • • 16 • • • • • 49 • • • 56 57 58 59 60 61 62 63 64 Byte8 Byte7 • • • Byte2 Byte1 COM1 D0 D1 D2 D3 D4 D5 D6 D7 D0 • • • D7 • • • D0 • • • D7 D0 D1 D2 D3 D4 D5 D6 D7 Byte16 Byte9 COM2 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 • • • • • • • • • Byte256 • • • • • • Byte249 COM32 D0 D1 D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7 Transferring Display Data/Displaying LCD Command and Data Sequence Command Data (256 Bytes) 0 x 55 Byte1 Byte2 • • • Byte255 Byte256 0 1 0 1 0 1 0 1 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 • • • D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 Notes: The screens are changed when the second area is fully stored. |
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