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MCP79510-I/MS Datasheet(PDF) 21 Page - Microchip Technology

Part # MCP79510-I/MS
Description  Battery-Backed SPI Real-Time Clock/Calendar
PDF  58 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

MCP79510-I/MS Datasheet(HTML) 21 Page - Microchip Technology

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 2012-2022 Microchip Technology Inc. and its subsidiaries
DS20002300D-page 21
MCP7951X/MCP7952X
TABLE 5-4:
SUMMARY OF REGISTERS ASSOCIATED WITH TIMEKEEPING
REGISTER 5-7:
RTCMTH: TIMEKEEPING MONTH VALUE REGISTER (ADDRESS 0x06)
U-0
U-0
R-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-1
—
—
LPYR
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 7-6
Unimplemented: Read as ‘0’
bit 5
LPYR: Leap Year bit
1 = Year is a leap year
0 = Year is not a leap year
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
REGISTER 5-8:
RTCYEAR: TIMEKEEPING YEAR VALUE REGISTER (ADDRESS 0x07)
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-1
YRTEN3
YRTEN2
YRTEN1
YRTEN0
YRONE3
YRONE2
YRONE1
YRONE0
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 7-4
YRTEN<3:0>: Binary-Coded Decimal Value of Year’s Tens Digit
Contains a value from 0 to 9
bit 3-0
YRONE<3:0>: Binary-Coded Decimal Value of Year’s Ones Digit
Contains a value from 0 to 9
Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Register
on Page
RTCHSEC
HSECTEN3 HSECTEN2 HSECTEN1 HSECTEN0 HSECONE3 HSECONE2 HSECONE1 HSECONE0
18
RTCSEC
ST
SECTEN2
SECTEN1
SECTEN0
SECONE3
SECONE2
SECONE1
SECONE0
18
RTCMIN
—
MINTEN2
MINTEN1
MINTEN0
MINONE3
MINONE2
MINONE1
MINONE0
18
RTCHOUR
TRIMSIGN
12/24
AM/PM
HRTEN1
HRTEN0
HRONE3
HRONE2
HRONE1
HRONE0
19
RTCWKDAY
—
—
OSCRUN
PWRFAIL
VBATEN
WKDAY2
WKDAY1
WKDAY0
20
RTCDATE
—
—
DATETEN1
DATETEN0
DATEONE3 DATEONE2
DATEONE1
DATEONE0
20
RTCMTH
—
—
LPYR
MTHTEN0
MTHONE3
MTHONE2
MTHONE1
MTHONE0
21
RTCYEAR
YRTEN3
YRTEN2
YRTEN1
YRTEN0
YRONE3
YRONE2
YRONE1
YRONE0
21
Legend:
— = unimplemented location, read as ‘0’. Shaded cells are not used in timekeeping.



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