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PIC18F87J90 Datasheet, PDF (161/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology | |||
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PIC18F87J90 FAMILY
REGISTER 15-8: MONTH: MONTH VALUE REGISTER(1)
U-0
â
bit 7
U-0
U-0
R/W-x
R/W-x
â
â
MTHTEN0 MTHONE3
R/W-x
MTHONE2
R/W-x
MTHONE1
R/W-x
MTHONE0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 7-5
bit 4
bit 3-0
Unimplemented: Read as â0â
MTHTEN0: Binary Coded Decimal Value of Monthâs Tens Digit bit
Contains a value of 0 or 1.
MTHONE<3:0>: Binary Coded Decimal Value of Monthâs Ones Digit bits
Contains a value from 0 to 9.
Note 1: A write to this register is only allowed when RTCWREN = 1.
REGISTER 15-9: DAY: DAY VALUE REGISTER(1)
U-0
â
bit 7
U-0
R/W-x
R/W-x
R/W-x
â
DAYTEN1 DAYTEN0 DAYONE3
R/W-x
DAYONE2
R/W-x
DAYONE1
R/W-x
DAYONE0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-4
bit 3-0
Unimplemented: Read as â0â
DAYTEN<1:0>: Binary Coded Decimal value of Dayâs Tens Digit bits
Contains a value from 0 to 3.
DAYONE<3:0>: Binary Coded Decimal Value of Dayâs Ones Digit bits
Contains a value from 0 to 9.
Note 1: A write to this register is only allowed when RTCWREN = 1.
REGISTER 15-10: WEEKDAY: WEEKDAY VALUE REGISTER(1)
U-0
â
bit 7
U-0
U-0
U-0
U-0
R/W-x
â
â
â
â
WDAY2
R/W-x
WDAY1
R/W-x
WDAY0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
â1â = Bit is set
U = Unimplemented bit, read as â0â
â0â = Bit is cleared
x = Bit is unknown
bit 7-3
bit 2-0
Unimplemented: Read as â0â
WDAY<2:0>: Binary Coded Decimal Value of Weekday Digit bits
Contains a value from 0 to 6.
Note 1: A write to this register is only allowed when RTCWREN = 1.
ï£ 2010 Microchip Technology Inc.
DS39933D-page 161
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