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PCF85263ATL/A 数据表(PDF) 13 Page - NXP Semiconductors |
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PCF85263ATL/A 数据表(HTML) 13 Page - NXP Semiconductors |
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13 / 92 page  NXP Semiconductors PCF85263A Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus 7.2.5 Definition of months Upper-digit (ten’s place) Digit (unit place) Month Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 January 0 0 0 0 1 February 0 0 0 1 0 March 0 0 0 1 1 April 0 0 1 0 0 May 0 0 1 0 1 June 0 0 1 1 0 July 0 0 1 1 1 August 0 1 0 0 0 September 0 1 0 0 1 October 1 0 0 0 0 November 1 0 0 0 1 December 1 0 0 1 0 Table 10. Month assignments in BCD format 7.2.6 Setting and reading the time in RTC mode Figure 11 shows the data flow and data dependencies starting from the 100 Hz clock tick. aaa-009580 SECONDS 100 Hz tick MINUTES HOURS 12_24 DAYS WEEKDAY LEAP YEAR CALCULATION MONTHS YEARS 100TH_SECOND 100TH 1 Hz tick Figure 11. Data flow for the time function PCF85263A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2021. All rights reserved. Product data sheet Rev. 5 — 1 February 2021 13 / 92 |
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