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PCF85263ATL/A Datasheet(PDF) 12 Page - NXP Semiconductors |
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PCF85263ATL/A Datasheet(HTML) 12 Page - NXP Semiconductors |
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12 / 102 page  NXP Semiconductors PCF85263A Tiny RTC/Calendar with Alarm Function, Battery Switch-Over, Time Stamp Input, and I2C-bus 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 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 RTC timestamp mode control 23h TSR_mode TSR3M[1:0] - TSR2M[2:0] TSR1M[1:0] Section 7.7 Table 4. RTC mode time registers...continued 7.1.1.2 Stop-watch mode time registers (RTCM = 1) 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 Stop-watch time registers 00h 100th_seconds 100TH_SECONDS (0 to 99) 01h Seconds OS SECONDS (0 to 59) 02h Minutes EMON MINUTES (0 to 59) 03h Hours_xx_xx_00 HR_XX_XX_00 (0 to 99) 04h Hours_xx_00_xx HR_XX_00_XX (0 to 99) 05h Hours_00_xx_xx HR_00_XX_XX (0 to 99) 06h not used - - - - - - - - 07h not used - - - - - - - - Section 7.3 Stop-watch alarm1 08h Second_alm1 - SEC_ALM1 (0 to 59) 09h Minute_alm1 - MIN_ALM1 (0 to 59) 0Ah Hr_xx_xx_00_alm1 HR_XX_XX_00_ALM1 (0 to 99) 0Bh Hr_xx_00_xx_alm1 HR_XX_00_XX_ALM1 (0 to 99) 0Ch Hr_00_xx_xx_alm1 HR_00_XX_XX_ALM1 (0 to 99) Section 7.4 Stop-watch alarm2 0Dh Minute_alm2 - MIN_ALM2 (0 to 59) Section 7.4 Table 5. Stop-watch mode time registers 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 12 / 102 |
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