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PCF8833 Datasheet(PDF) 88 Page - NXP Semiconductors |
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PCF8833 Datasheet(HTML) 88 Page - NXP Semiconductors |
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88 / 112 page  This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... Table 95 Sequence to determine MMVOP Notes 1. X = don’t care. For hexadecimal representation, don’t care bits are assumed to be logic 0. 2. D31 is the booster voltage status bit; see Section 6.2.7. 3. The chip stays in shift operation as long as D/C is logic 1. STEP D/C COMMAND BYTE(1) ADDR DESCRIPTION 7 654321 0 1 0 0 000000 1 01H reset (may also be hardware reset) 2 − − −−−−−− − − wait 1 ms for refresh to take effect 3 0 1 110111 0 EEH set SFD = 0 in order to use interface values 4 0 0 010100 0 28H send DISPOFF to prevent rows and columns to toggle 5 0 1 011000 0 B0H set VPR to desired value 1 X XXX VPR8 VPR7 VPR6 VPR5 − 1 X X X VPR4 VPR3 VPR2 VPR1 VPR0 − 6 0 1 100001 0 C2H set multiplication stages to desired value 1 X XXXXX S1 S0 − 7 0 1 111000 0 F0H enter CALMM mode 1 X X 0 0 0 x 0 1 01H ORA = 000 OPE = 0 CALMM = 1 8 0 0 001000 1 11H send Sleep_OUT (no refresh because CALMM = 1) 9 − − −−−−−− − − wait until D31 = 1 (V stable); note 2 10 0 1 111000 1 F1H send OTPSHTIN; note 3 1 X MMVOP5 MMVOP4 MMVOP3 MMVOP2 MMVOP1 MMVOP0 0 − set MMVOP[5:0] and SEAL = 0 11 − − −−−−−− − − check VLCD2 after VLCD2 has settled 12 − − −−−−−− − − repeat steps 10 to 11 until desired VLCD2 is reached 13 0 1 111000 0 F0H exit CALMM mode; if required 1 X X 0 0 0 x 0 0 00H ORA = 000 OPE = 0 CALMM = 0 |
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