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PCF8564AU-5GB-1 Datasheet(PDF) 6 Page - NXP Semiconductors |
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PCF8564AU-5GB-1 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 45 page PCF8564A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2010. All rights reserved. Product data sheet Rev. 02 — 30 September 2010 6 of 45 NXP Semiconductors PCF8564A Real time clock and calendar 8.2 Register organization Table 4. Register overview Bit positions labelled as - are not implemented. Bit positions labelled as N should always be written with logic 0. After reset, all registers are set according to Table 27. Address Register name Bit 7 6 5 4 3 2 1 0 Control registers 00h Control_1 TEST1 N STOP N TESTC N N N 01h Control_2 N N N TI_TP AF TF AIE TIE Time and date registers 02h Seconds VL SECONDS (0 to 59) 03h Minutes - MINUTES (0 to 59) 04h Hours - - HOURS (0 to 23) 05h Days - - DAYS (1 to 31) 06h Weekdays - - - - - WEEKDAYS 07h Months C - - MONTH (1 to 12) 08h Years YEARS (0 to 99) Alarm registers 09h Minute_alarm AE_M MINUTE_ALARM (0 to 59) 0Ah Hour_alarm AE_H - HOUR_ALARM (0 to 23) 0Bh Day_alarm AE_D - DAY_ALARM (1 to 31) 0Ch Weekday_alarm AE_W - - - - WEEKDAY_ALARM CLKOUT control register 0Dh CLKOUT_ctrl FE -- --- FD Timer registers 0Eh Timer_ctrl TE - - - - - TD 0Fh Timer TIMER_VALUE |
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