Datasheet

2012-2018 Microchip Technology Inc. DS20002300C-page 26
MCP7951X/MCP7952X
TABLE 5-7: SUMMARY OF REGISTERS ASSOCIATED WITH ALARMS
REGISTER 5-15: ALM0MTH: ALARM 0 MONTH VALUE REGISTER (ADDRESS 0x11)
U-0 U-0 U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-1
MTHTEN0 MTHONE3 MTHONE2 MTHONE1 MTHONE0
bit 7 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 7-5 Unimplemented: Read as ‘0
bit 4 MTHTEN0: Binary-Coded Decimal Value of Month’s Tens Digit
Contains a value of 0 or 1
bit 3-0 MTHONE<3:0>: Binary-Coded Decimal Value of Month’s Ones Digit
Contains a value from 0 to 9
Note 1: Month matching is only available on Alarm 0.
Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Register
on Page
ALM0SEC
SECTEN2 SECTEN1 SECTEN0 SECONE3 SECONE2 SECONE1 SECONE0
23
ALM0MIN
MINTEN2 MINTEN1 MINTEN0 MINONE3 MINONE2 MINONE1 MINONE0
24
ALM0HOUR
—12/24AM/PM
HRTEN1
HRTEN0 HRONE3 HRONE2 HRONE1 HRONE0
24
ALM0WKDAY
ALM0PIN ALM0MSK2 ALM0MSK1 ALM0MSK0 ALM0IF WKDAY2 WKDAY1 WKDAY0
25
ALM0DATE
DATETEN1 DATETEN0 DATEONE3 DATEONE2 DATEONE1 DATEONE0
25
ALM0MTH
MTHTEN0 MTHONE3 MTHONE2 MTHONE1 MTHONE0
26
ALM1HSEC
HSECTEN3 HSECTEN2 HSECTEN1 HSECTEN0 HSECONE3 HSECONE2 HSECONE1 HSECONE0
23
ALM1SEC
SECTEN2 SECTEN1 SECTEN0 SECONE3 SECONE2 SECONE1 SECONE0
23
ALM1MIN
MINTEN2 MINTEN1 MINTEN0 MINONE3 MINONE2 MINONE1 MINONE0
24
ALM1HOUR
—12/24AM/PM
HRTEN1
HRTEN0 HRONE3 HRONE2 HRONE1 HRONE0
24
ALM1WKDAY
ALM1PIN ALM1MSK2 ALM1MSK1 ALM1MSK0 ALM1IF WKDAY2 WKDAY1 WKDAY0
25
ALM1DATE
DATETEN1 DATETEN0 DATEONE3 DATEONE2 DATEONE1 DATEONE0
25
CONTROL
SQWEN ALM1EN ALM0EN EXTOSC CRSTRIM SQWFS1 SQWFS0
28
Legend: = unimplemented location, read as ‘0’. Shaded cells are not used by alarms.