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PCF8576DT/2 датащи(PDF) 24 Page - NXP Semiconductors |
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PCF8576DT/2 датащи(HTML) 24 Page - NXP Semiconductors |
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24 / 57 page ![]() PCF8576D All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 14 — 10 June 2013 24 of 57 NXP Semiconductors PCF8576D Universal LCD driver for low multiplex rates 7.12 Command decoder The command decoder identifies command bytes that arrive on the I2C-bus. The commands available to the PCF8576D are defined in Table 10. [1] Not used. All available commands carry a continuation bit C in their most significant bit position as shown in Figure 19. When this bit is set logic 1, it indicates that the next byte of the transfer to arrive will also represent a command. If this bit is set logic 0, it indicates that the command byte is the last in the transfer. Further bytes will be regarded as display data (see Table 11). Table 10. Definition of PCF8576D commands Command Operation code Reference Bit 7 6 5 4 3 2 1 0 mode-set C 1 0 -[1] E B M[1:0] Table 12 load-data-pointer C 0 P[5:0] Table 13 device-select C 110 0A[2:0] Table 14 bank-select C 1 1 1 1 0 I O Table 15 blink-select C 1 1 1 0 AB BF[1:0] Table 16 Table 11. C bit description Bit Symbol Value Description 7C continue bit 0 last control byte in the transfer; next byte will be regarded as display data 1 control bytes continue; next byte will be a command too |
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