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PCA2117DUGS/DA Datasheet(PDF) 9 Page - NXP Semiconductors |
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PCA2117DUGS/DA Datasheet(HTML) 9 Page - NXP Semiconductors |
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9 / 107 page  PCA2117 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2015. All rights reserved. Product data sheet Rev. 4 — 8 April 2015 9 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays 8.1.1 General control commands 8.1.1.1 Command: Register_update This command updates registers of the PCA2117. It must be sent after the Return_home command or Cursor_display_shift command if no other command follows. 8.1.1.2 Command: Initialize This command generates a chip-wide reset by setting all command registers to their default values. It must be sent to the PCA2117 after power-on. For further information, see Section 8.2.1 on page 27. Display control commands Clear_display 0 1 0 0 0 0 0 0 0 0 0 Section 8.1.2.1 Return_home 00 000 001 Section 8.1.2.2 Entry_mode_set 00 101 0I_D S Section 8.1.2.3 Function_set 00 110 0M SL Section 8.1.2.4 Inversion_mode 0 1 0 0 1 0 0 0 INV[2:0] Section 8.1.2.5 Frame_frequency 1 0 0 FF[4:0] Section 8.1.2.6 Display_control 0 0 1 0 0 D C B Section 8.1.2.7 Cursor_display_shift 0 0 0 1 0 0 SC RL Section 8.1.2.8 Screen_config 00 000 01L Section 8.1.2.9 Display_config 00 000 1P Q Section 8.1.2.10 Icon_config 0 0 0 0 1 0 IM IB Section 8.1.2.11 Charge pump and LCD bias control commands Charge_pump_ctrl 0 1 1 1 0 0 0 0 CPE CPC[1:0] Section 8.1.3.1 Set_VLCD_A 1 0 1 VLCDA[8:4] Section 8.1.3.2 10 01VLCDA[3:0] Set_VLCD_B 1 1 0 VLCDB[8:4] Section 8.1.3.2 11 10VLCDB[3:0] Temperature compensation control commands Temperature_ctrl 0 1 1 0 0 0 0 0 TCE TMF TME Section 8.1.4.1 TC_slope 0 0 0 0 1 TSA[2:0] Section 8.1.4.2 00 010 TSB[2:0] 00 011 TSC[2:0] 00 100 TSD[2:0] Table 5. Commands of PCA2117 …continued Command name R/W Register select Bits Reference RS[1:0] 7 6 5 4 3 2 1 0 Table 6. Register_update - Register update command bit description Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 0 - 00000000 update register |
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