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WM8351 Datasheet(PDF) 229 Page - Wolfson Microelectronics plc |
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WM8351 Datasheet(HTML) 229 Page - Wolfson Microelectronics plc |
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229 / 330 page ![]() Production Data WM8351 w PD, April 2012, Rev 4.5 229 REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R16 (10h) RTC Seconds/Minutes 14:8 RTC_MINS[6:0] 000_0000 RTC Minutes; 0 to 59 6:0 RTC_SECS[6:0] 000_0000 RTC Seconds; 0 to 59 Register 10h RTC Seconds/Minutes REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R17 (11h) RTC Hours/Day 10:8 RTC_DAY[2:0] 001 RTC Day of the week register with range 1-7. 1 is Sunday 5 RTC_HPM 0 RTC hours AM/PM flag 0 = AM 1 = PM Only valid in 12 hour mode. 4:0 RTC_HRS[4:0] 0_0000 RTC Hours register with 0-23 range in 24 hour mode and 1-12 in 12 hour mode. (Bit 5 is used to indicate PM/not-AM flag in 12 hour mode.) Register 11h RTC Hours/Day REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R18 (12h) RTC Date/Month 12:8 RTC_MTH[4:0] 0_0001 RTC Month register with range 1-12. 5:0 RTC_DATE[5:0] 00_0001 RTC Date register with range 1-31 Register 12h RTC Date/Month REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R19 (13h) RTC Year 13:8 RTC_YHUNDREDS[5:0] 01_0100 RTC Year hundreds register tied to 20(dec) 7:0 RTC_YUNITS[7:0] 0000_0000 RTC Year units register with range 0-99. Register 13h RTC Year REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION REFER TO R20 (14h) Alarm Seconds/Minutes 14:8 RTC_ALMMINS[6:0] 000_0000 Minutes alarm register with range 0-59. All 1's sets to 'don't care' state. Note, during programming it is best to disable the Alarm Enable request bit to avoid false alarms. 6:0 RTC_ALMSECS[6:0] 000_0000 Seconds alarm register with range 0-59. All 1's set to 'don't care' state. Note, during programming it is best to disable the Alarm Enable request bit to avoid false alarms. Register 14h Alarm Seconds/Minutes |
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