Datasheet

2012-2018 Microchip Technology Inc. DS20002300C-page 17
MCP7951X/MCP7952X
REGISTER 5-1: RTCHSEC: TIMEKEEPING HUNDREDTH OF SECONDS VALUE REGISTER
(ADDRESS 0x00)
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
HSECTEN3 HSECTEN2 HSECTEN1 HSECTEN0 HSECONE3 HSECONE2 HSECONE1 HSECONE0
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 HSECTEN<3:0>: Binary-Coded Decimal Value of Hundredth of Second’s Tens Digit
Contains a value from 0 to 9
bit 3-0 HSECONE<3:0>: Binary-Coded Decimal Value of Hundredth of Second’s Ones Digit
Contains a value from 0 to 9
REGISTER 5-2: RTCSEC: TIMEKEEPING SECONDS VALUE REGISTER (ADDRESS 0x01)
R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
ST SECTEN2 SECTEN1 SECTEN0 SECONE3 SECONE2 SECONE1 SECONE0
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 ST: Start Oscillator bit
1 = Oscillator enabled
0 = Oscillator disabled
bit 6-4 SECTEN<2:0>: Binary-Coded Decimal Value of Second’s Tens Digit
Contains a value from 0 to 5
bit 3-0 SECONE<3:0>: Binary-Coded Decimal Value of Second’s Ones Digit
Contains a value from 0 to 9
REGISTER 5-3: RTCMIN: TIMEKEEPING MINUTES VALUE REGISTER (ADDRESS 0x02)
U-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0
MINTEN2 MINTEN1 MINTEN0 MINONE3 MINONE2 MINONE1 MINONE0
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 Unimplemented: Read as ‘0
bit 6-4 MINTEN<2:0>: Binary-Coded Decimal Value of Minute’s Tens Digit
Contains a value from 0 to 5
bit 3-0 MINONE<3:0>: Binary-Coded Decimal Value of Minute’s Ones Digit
Contains a value from 0 to 9