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PCA2117DUGS/DA Datasheet(PDF) 13 Page - NXP Semiconductors |
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PCA2117DUGS/DA Datasheet(HTML) 13 Page - NXP Semiconductors |
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13 / 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 13 of 107 NXP Semiconductors PCA2117 Automotive LCD driver for character displays [1] Start-up value. 8.1.1.8 Command: RAM_ROM_config The RAM_ROM_config command allows configuring the display memory. [1] Default value. Status_Register_9 7 to 3 - 00000 fixed value 2QPR charge pump charge status 0 charge pump has not reached programmed value 1 charge pump has reached programmed value 1CRF reset flag status the reset flag is set whenever a reset occurs; it should be cleared for reset monitoring (see Table 8) 0 no reset has occurred since the reset flag register was cleared last time 1[1] reset has occurred since the reset flag register was cleared last time 0 COE see Table 10 CLK pin setting status Table 12. Read_status_reg - readout register command bit description …continued Bit Symbol Value Description Table 13. RAM_ROM_config - display memory configuration command bit description Bit Symbol Value Description -R/W 0 fixed value - RS[1:0] 00 fixed value 7 to 2 - 010100 fixed value 1, 0 RR[1:0] CGRAM and CGROM select (see Section 8.5) 00[1] column 1 (address 0001) = CGROM column 2 (address 0010) = CGROM 01 column 1 (address 0001) = CGROM column 2 (address 0010) = CGRAM 10 column 1 (address 0001) = CGRAM column 2 (address 0010) = CGROM 11 column 1 (address 0001) = CGRAM column 2 (address 0010) = CGRAM |
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