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PCF8534AU/DA/1 датащи(PDF) 23 Page - NXP Semiconductors |
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PCF8534AU/DA/1 датащи(HTML) 23 Page - NXP Semiconductors |
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23 / 44 page ![]() PCF8534A_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 10 November 2008 23 of 44 NXP Semiconductors PCF8534A Universal LCD driver for low multiplex rates [1] The bank select command has no effect in 1:3 or 1:4 multiplex drive modes. 1 to 0 M[1:0] LCD drive mode selection 01 static; 1 backplane 10 1:2 multiplex; 2 backplanes 11 1:3 multiplex; 3 backplanes 00 1:4 multiplex; 4 backplanes Table 11. Load data pointer command bit description See Section 7.11. Bit Symbol Value Description 7 - 0 fixed value 6 to 0 P[6:0] 000 0000 to 011 1011 7-bit binary value of 0 to 59 Table 12. Device select command bit description See Section 7.12. Bit Symbol Value Description 7 to 3 - 1 1100 fixed value 2 to 0 A[2:0] 000 to 111 3-bit binary value of 0 to 7 Table 13. Bank select command bit description See Section 7.10, Section 7.11, Section 7.12, Section 7.13 and Section 7.14. Bit Symbol Value Description Static 1:2 multiplex[1] 7 to 2 - 11 1110 fixed value 1I input bank selection: storage of arriving display data 0 RAM bit 0 RAM bits 0 and 1 1 RAM bit 2 RAM bits 2 and 3 0O output bank selection: retrieval of LCD display data 0 RAM bit 0 RAM bits 0 and 1 1 RAM bit 2 RAM bits 2 and 3 Table 10. Mode set command bit description …continued Bit Symbol Value Description |
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