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PCF85263AT/A Datasheet(PDF) 8 Page - NXP Semiconductors |
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PCF85263AT/A Datasheet(HTML) 8 Page - NXP Semiconductors |
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8 / 92 page  NXP Semiconductors PCF85263A Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus 7.1.1.1 RTC mode time registers overview (RTCM = 0) Bit positions labeled as - are not implemented. After reset, all registers are set according to Table 61. Bit Address Register name 7 6 5 4 3 2 1 0 Reference RTC time and date registers 00h 100th_seconds 100TH_SECONDS (0 to 99) 01h Seconds OS SECONDS (0 to 59) 02h Minutes EMON MINUTES (0 to 59) AMPM HOURS (1 to 12) in 12 hour mode 03h Hours - - HOURS (0 to 23) in 24 hour mode 04h Days - - DAYS (1 to 31) 05h Weekdays - - - - - WEEKDAYS (0 to 6) 06h Months - - - MONTHS (1 to 12) 07h Years YEARS (0 to 99) Section 7.2 RTC alarm1 08h Second_alarm1 - SEC_ALARM1 (0 to 59) 09h Minute_alarm1 - MIN_ALARM1 (0 to 59) AMPM HR_ALARM1 (1 to 12) in 12 hour mode 0Ah Hour_alarm1 - - HR_ALARM1 (0 to 23) in 24 hour mode 0Bh Day_alarm1 - - DAY_ALARM1 (1 to 31) 0Ch Month_alarm1 - - - MON_ALARM1 (1 to 12) Section 7.4 RTC alarm2 0Dh Minute_alarm2 - MIN_ALARM2 (0 to 59) 0Eh Hour_alarm2 - - AMPM HR_ALARM2 (1 to 12) in 12 hour mode 0Fh Weekday_alarm2 - - - - - WDAY_ALARM2 (0 to 6) Section 7.4 RTC alarm enables 10h Alarm_enables WDAY_A2E HR_A2E MIN_A2E MON_A1E DAY_A1E HR_A1E MIN__A1E SEC__A1E Section 7.4 RTC timestamp1 (TSR1) 11h TSR1_seconds - TSR1_SECONDS (0 to 59) 12h TSR1_minutes - TSR1_MINUTES (0 to 59) AMPM TSR1_HOURS (1 to 12) in 12 hour mode 13h TSR1_hours - - TSR1_HOURS (0 to 23) in 24 hour mode 14h TSR1_days - - TSR1_DAYS (1 to 31) 15h TSR1_months - - - TSR1_MONTHS (1 to 12) 16h TSR1_years TSR1_YEARS (0 to 99) Section 7.7 RTC timestamp2 (TSR2) 17h TSR2_seconds - TSR2_SECONDS (0 to 59) 18h TSR2_minutes - TSR2_MINUTES (0 to 59) AMPM TSR2_HOURS (1 to 12) in 12 hour mode 19h TSR2_hours - - TSR2_HOURS (0 to 23) in 24 hour mode 1Ah TSR2_days - - TSR2_DAYS (1 to 31) 1Bh TSR2_months - - - TSR2_MONTHS (1 to 12) 1Ch TSR2_years TSR2_YEARS (0 to 99) Section 7.7 RTC timestamp3 (TSR3) 1Dh TSR3_seconds - TSR3_SECONDS (0 to 59) 1Eh TSR3_minutes - TSR3_MINUTES (0 to 59) AMPM TSR3_HOURS (1 to 12) in 12 hour mode 1Fh TSR3_hours - - TSR3_HOURS (0 to 23) in 24 hour mode 20h TSR3_days - - TSR3_DAYS (1 to 31) 21h TSR3_months - - - TSR3_MONTHS (1 to 12) 22h TSR3_years TSR3_YEARS (0 to 99) Section 7.7 Table 4. RTC mode time registers 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 8 / 92 |
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