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MCP79411 Datasheet(PDF) 19 Page - Microchip Technology |
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MCP79411 Datasheet(HTML) 19 Page - Microchip Technology |
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19 / 60 page  2010-2013 Microchip Technology Inc. DS20002266E-page 19 MCP79410/MCP79411/MCP79412 REGISTER 7-4: ALARM X DAY (0X0D/0X14) R/W-0 R/W-0 R/W-0 R/W-1 ALMxPOL ALMxC2 ALMxC1 ALMxC0 ALMxIF Day bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set “0” = Bit is clear “X” = Bit is unknown bit 7 ALMxPOL: The Asserted Level of the Alarm (1 = High, 0 = Low) bit 6-4 ALMxC<2:0>: Alarm X Configuration bits Sets the condition on what the alarm will trigger. The following options are available: - 000 – Seconds match - 001 – Minutes match - 010 – Hours match (logic takes into account 12/24 operation) - 011 – Day match. Generates interrupt at 12:00:00 AM - 100 – Date match - 101 – Unimplemented, do not use - 110 – Unimplemented, do not use - 111 – Seconds, Minutes, Hour, Day, Date and Month bit 3 ALMxIF: Alarm X Interrupt Flag bit This bit is set by hardware when an alarm condition has been generated. The bit must be cleared in software. 1 = Alarm has been triggered 0 = No alarm pending bit 2-0 DAY<2:0>: Binary-Coded Decimal Value of Day Contains a value from 1 to 7 REGISTER 7-5: ALARM X DATE (0X0E/0X15) U-0 U-0 R/W-0 R/W-1 — — 10 Date Date bit 7 bit 6 bit 5 bit 4 bit 3 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set “0” = Bit is clear “X” = Bit is unknown bit 7-6 Unimplemented: Read as ‘0’ bit 5-4 10 DATE<1:0>: Binary-Coded Decimal Value of Date’s Tens Digit Contains a value from 0 to 3 bit 3-0 DATE<3:0>: Binary-Coded Decimal Value of Date’s Ones Digit Contains a value from 0 to 9 |
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