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PCF8833U/2DA 데이터시트(PDF) 90 Page - NXP Semiconductors |
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PCF8833U/2DA 데이터시트(HTML) 90 Page - NXP Semiconductors |
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90 / 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 97 Sequence to program OTP cells STEP D/C COMMAND BYTE(1) ADDR DESCRIPTION 7 654321 0 0 set VOTP(gate) =0V; VOTP(drain) =0V 1 0 0 000000 1 01 reset (may also be hardware reset) 2 wait 1 ms for refresh to take effect 3 set VOTP(gate) =8V; VOTP(drain) =8V 4 0 1 111000 0 F0 enter CALMM mode 1 X X 0 0 0 X 0 1 01 ORA = 000; OPE = 0; CALMM = 1 5 0 1 111000 1 F1 send OTPSHTIN; note 2 shift15 1 X X PVB3 PVB2 PVB1 PVB0 BRS TRS set PVB[3:0]; BRS and TRS shift14 1 X X FVB3 FVB2 FVB1 FVB0 VCBW EFD set FVB[3:0]; VCBW and EFD; note 3 : shift0 1 x MMVOP5 MMVOP4 MMVOP3 MMVOP2 MMVOP1 MMVOP0 0 set MMVOP[5:0] and SEAL = 0 6 0 1 111000 0 F0 select row 0 in OTP matrix 1 X X 0 0 0 X 0 1 01 ORA = 000; OPE = 0; CALMM = 1 7 0 1 111000 0 F0 enable programming 1 X X 0 0 0 X 1 1 03 ORA = 000; OPE = 1; CALMM = 1 8 wait for 50 ms until OTP cells are programmed 9 0 1 111000 0 F0 disable programming 1 X X 0 0 0 X 0 1 01 ORA = 000; OPE = 0; CALMM = 1 10 0 1 111000 0 F0 select row 1 in OTP matrix 1 X X 0 0 1 X 0 1 09 ORA = 001; OPE = 0; CALMM = 1 11 0 1 111000 0 F0 enable programming 1 X X 0 0 1 X 1 1 0B ORA = 001; OPE = 1; CALMM = 1 |
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