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ACT5880 датащи(PDF) 32 Page - Active-Semi, Inc |
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ACT5880 датащи(HTML) 32 Page - Active-Semi, Inc |
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32 / 87 page ![]() ACT5880 Rev 2, 03-Sep-13 - 32 - www.active-semi.com ActivePMU TM and ActivePathTM are trademarks of Active-Semi. I2CTM is a trademark of NXP. Copyright © 2013 Active-Semi, Inc. Active-Semi Confidential―Do Not Copy or Distribute REGISTER AND BIT DESCRIPTIONS CONT’D BLOCK ADDRESS and BIT NAME DEFAULT and ACCESS DESCRIPTION RTC 0x9C 7 CLKSRC 0 W/R Set 0 for using the xtal oscillator; Set 1 for using the buck switch clock. 6 nWKALM 0 W/R Set 0 for enabling alarm against time match. Register 0x3C and 0x3D need to be set 0x80 and 0x08 previous to setting this bit. 5 x 0 x Not used. 4 x 0 x Not used. 3 x 0 x Not used. 2 x 0 x Not used. 1 x 0 x Not used. 0 x 0 x Not used. 0xA0 7 x x x Not used. 6 RCL 0 W/R Set 1 to load RTC with the data stored in all setting registers by its 0 to 1 transition. 5 RAAI 0 W/R Set 1 for enabling RTC alarm. Register 0x3C and 0x3D need to be set 0x80 and 0x08 previous to setting this bit. 4 RDAI 0 W/R Set 1 for interrupt assertion for 1s when day count changes. 3 RHAI 0 W/R Set 1 for interrupt assertion for 1s when hours count changes. 2 RMAI 0 W/R Set 1 for interrupt assertion for 1s when minute count changes. 1 RSAI 0 W/R Set 1 for interrupt assertion for 0.5s when second count changes. 0 RTCEN 0 W/R Set 1 to enable the RTC, set 0 to disable the RTC. This bit is cleared to 0 when the RTC power losses. 0xA4 7 x x x Not used. 6 x x x Not used. 5 SETSEC[5] 0 W/R Setting register for seconds. Store the seconds into this register firstly, then set the RCL[ ] to 1 to load the RTC. 4 SETSEC[4] 0 W/R 3 SETSEC[3] 0 W/R 2 SETSEC[2] 0 W/R 1 SETSEC[1] 0 W/R 0 SETSEC[0] 0 W/R 0xA8 7 x x x Not used. 6 x x x Not used. 5 SETMIN[5] 0 W/R 4 SETMIN[4] 0 W/R 3 SETMIN[3] 0 W/R 2 SETMIN[2] 0 W/R 1 SETMIN[1] 0 W/R 0 SETMIN[0] 0 W/R Setting register for minutes. Store the minutes into this register firstly, then set the RCL[ ] to 1 to load the RTC. Note: W/R: Write and read accessible. X is uncertain volume. |
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