PIC18F87J90 Datasheet, PDF (163/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
15.1.3
ALRMVALH AND ALRMVALL
REGISTER MAPPINGS
REGISTER 15-14: ALRMMNTH: ALARM MONTH VALUE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
U-0
R/W-x
R/W-x
R/W-x
—
—
MTHTEN0 MTHONE3 MTHONE2
R/W-x
MTHONE1
R/W-x
MTHONE0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-5
bit 4
bit 3-0
Unimplemented: Read as ‘0’
MTHTEN0: Binary Coded Decimal Value of Month’s Tens Digit bit
Contains a value of 0 or 1.
MTHONE<3:0>: Binary Coded Decimal Value of Month’s Ones Digit bits
Contains a value from 0 to 9.
Note 1: A write to this register is only allowed when RTCWREN = 1.
REGISTER 15-15: ALRMDAY: ALARM DAY VALUE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
R/W-x
R/W-x
R/W-x
R/W-x
—
DAYTEN1 DAYTEN0 DAYONE3 DAYONE2
R/W-x
DAYONE1
R/W-x
DAYONE0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-6
bit 5-4
bit 3-0
Unimplemented: Read as ‘0’
DAYTEN<1:0>: Binary Coded Decimal Value of Day’s Tens Digit bits
Contains a value from 0 to 3.
DAYONE<3:0>: Binary Coded Decimal Value of Day’s Ones Digit bits
Contains a value from 0 to 9.
Note 1: A write to this register is only allowed when RTCWREN = 1.
REGISTER 15-16: ALRMWD: ALARM WEEKDAY VALUE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
U-0
U-0
U-0
R/W-x
—
—
—
—
WDAY2
R/W-x
WDAY1
R/W-x
WDAY0
bit 0
Legend:
R = Readable bit
-n = Value at POR
W = Writable bit
‘1’ = Bit is set
U = Unimplemented bit, read as ‘0’
‘0’ = Bit is cleared
x = Bit is unknown
bit 7-3
bit 2-0
Unimplemented: Read as ‘0’
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.
 2010 Microchip Technology Inc.
DS39933D-page 163