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PCF8564A Datasheet(PDF) 5 Page - NXP Semiconductors |
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PCF8564A Datasheet(HTML) 5 Page - NXP Semiconductors |
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5 / 59 page  xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx 8.1 Registers organization Table 5. Registers overview Bit positions labeled as - are not implemented. After reset, all registers are set according to Table 8 on page 10. Address Register name Bit Reference 7 6 5 4 3 2 1 0 Control and status registers 00h Control_1 EXT_TEST - STOP SR - CIE 12_24 CAP_SEL Section 8.2.1 01h Control_2 AIE AF MI HMI TF COF[2:0] Section 8.2.2 02h Offset MODE OFFSET[6:0] Section 8.2.3 03h RAM_byte B[7:0] Section 8.2.4 Time and date registers 04h Seconds OS SECONDS (0 to 59) Section 8.3.1 05h Minutes - MINUTES (0 to 59) Section 8.3.2 06h Hours - - AMPM HOURS (1 to 12) in 12-hour mode Section 8.3.3 HOURS (0 to 23) in 24-hour mode 07h Days - - DAYS (1 to 31) Section 8.3.4 08h Weekdays - - - - - WEEKDAYS (0 to 6) Section 8.3.5 09h Months - - - MONTHS (1 to 12) Section 8.3.6 0Ah Years YEARS (0 to 99) Section 8.3.7 Alarm registers 0Bh Second_alarm AEN_S SECOND_ALARM (0 to 59) Section 8.5.1 0Ch Minute_alarm AEN_M MINUTE_ALARM (0 to 59) Section 8.5.2 0Dh Hour_alarm AEN_H - AMPM HOUR_ALARM (1 to 12) in 12-hour mode Section 8.5.3 HOUR_ALARM (0 to 23) in 24-hour mode 0Eh Day_alarm AEN_D - DAY_ALARM (1 to 31) Section 8.5.4 0Fh Weekday_alarm AEN_W - - - - WEEKDAY_ALARM (0 to 6) Section 8.5.5 Timer registers 10h Timer_value T[7:0] Section 8.6.1 11h Timer_mode - - - TCF[1:0] TE TIE TI_TP Section 8.6.2 |
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