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PCF85263ATL/A Datasheet(PDF) 32 Page - NXP Semiconductors |
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PCF85263ATL/A Datasheet(HTML) 32 Page - NXP Semiconductors |
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32 / 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 and return 0 when read. Upper-digit (ten’s place) Digit (unit place) Address Register name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 AMPM 0 to 1 0 to 9 1Fh TSR3_hours - - 0 to 2 0 to 9 20h TSR3_days - - 0 to 3 0 to 9 21h TSR3_months - - - 0 to 1 0 to 9 22h TSR3_years 0 to 9 0 to 9 Table 20. Timestamp registers in RTC mode (RTCM = 0)...continued Bit positions labeled as - are not implemented and return 0 when read. Upper-digit (ten’s place) Digit (unit place) Address Register name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 Stop-watch timestamp1 (TSR1) 11h TSR1_seconds - 0 to 5 0 to 9 12h TSR1_minutes - 0 to 5 0 to 9 13h TSR1_hr_xx_xx_00 0 to 9 0 to 9 14h TSR1_hr_xx_00_xx 0 to 9 0 to 9 15h TSR1_hr_00_xx_xx 0 to 9 0 to 9 16h not used - - - - - - - - Stop-watch timestamp2 (TSR2) 17h TSR2_seconds - 0 to 5 0 to 9 18h TSR2_minutes - 0 to 5 0 to 9 19h TSR2_hr_xx_xx_00 0 to 9 0 to 9 1Ah TSR2_hr_xx_00_xx 0 to 9 0 to 9 1Bh TSR2_hr_00_xx_xx 0 to 9 0 to 9 1Ch not used - - - - - - - - Stop-watch timestamp3 (TSR3) 1Dh TSR3_seconds - 0 to 5 0 to 9 1Eh TSR3_minutes - 0 to 5 0 to 9 1Fh TSR3_hr_xx_xx_00 0 to 9 0 to 9 20h TSR3_hr_xx_00_xx 0 to 9 0 to 9 21h TSR3_hr_00_xx_xx 0 to 9 0 to 9 22h not used - - - - - - - - Table 21. Timestamp registers in stop-watch mode (RTCM = 1) 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 32 / 102 |
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