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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PCF85263ATL/A датащи(PDF) 35 Page - NXP Semiconductors |
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PCF85263ATL/A датащи(HTML) 35 Page - NXP Semiconductors |
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35 / 102 page  NXP Semiconductors PCF85263A Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus Correction value Every nth hour Actual minute 4 00 to 59 4 + 1 00 to 59 -128 4 + 2 00 to 07 Table 25. Correction pulses for OFFM = 0...continued 7.8.2 Correction when OFFM = 1 The correction is triggered once every eight minutes and then the correction pulses are applied once per second until the programmed correction values have been implemented. Clock correction is made more frequently in OFFM = 1, but can result in higher power consumption. Correction value Every nth minute Actual second +1 or -1 8 00 +2 or -2 8 00 and 01 +3 or -3 8 00, 01, and 02 : : : +59 or -59 8 00 to 58 +60 or -60 8 00 to 59 8 00 to 59 +61 or -61 8 + 1 00 8 00 to 59 +62 or -62 8 + 1 00 and 01 : : : 8 00 to 59 8 + 1 00 to 59 +123 or -123 8 + 2 00, 01, and 02 8 00 to 59 8 + 1 00 to 59 -128 8 + 2 00 to 07 Table 26. Correction pulses for OFFM = 1 7.8.3 Offset calibration workflow The calibration offset has to be calculated based on the time. Figure 20 shows the workflow how the offset register values can be calculated: PCF85263A All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. Product data sheet Rev. 5.4 — 12 December 2025 Document feedback 35 / 102 |
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