Datasheet

MCP79410/MCP79411/MCP79412
DS20002266E-page 14 2010-2013 Microchip Technology Inc.
REGISTER 5-4: DAY 0X03
U-0 U-0 R-0 R/W-0 R/W-0 R/W-1
OSCON VBAT VBATEN 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 7-6 Unimplemented: Read as ‘0
bit 5
OSCON: Oscillator Status bit
Not used in timekeeping (See Section 8.1 “Oscillator Failure Status”)
bit 4
VBAT: Power-Fail Cycle Status Flag bit
Not used in timekeeping (See Section 8.6.1 “Power-Down Time-Stamp Registers”)
bit 3
VBATEN: External Battery Enable bit
Not used in timekeeping (See Section 8.6 “Battery Backed Operation)
bit 2-0 DAY<2:0>: Undefined, device does not put any limitations on how the day is represented. Binary-
Coded Decimal value of day. Contains a value from 1 to 7.