PIC18F87J90 Datasheet, PDF (164/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
REGISTER 15-17: ALRMHR: ALARM HOURS VALUE REGISTER⁽¹⁾
U-0
—
bit 7
U-0
R/W-x
R/W-x
R/W-x
R/W-x
—
HRTEN1 HRTEN0 HRONE3 HRONE2
R/W-x
HRONE1
R/W-x
HRONE0
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’
HRTEN<1:0>: Binary Coded Decimal Value of Hour’s Tens Digit bits
Contains a value from 0 to 2.
HRONE<3:0>: Binary Coded Decimal Value of Hour’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 15-18: ALRMMIN: ALARM MINUTES VALUE REGISTER
U-0
—
bit 7
R/W-x
MINTEN2
R/W-x
MINTEN1
R/W-x
R/W-x
MINTEN0 MINONE3
R/W-x
MINONE2
R/W-x
MINONE1
R/W-x
MINONE0
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
bit 6-4
bit 3-0
Unimplemented: Read as ‘0’
MINTEN<2:0>: Binary Coded Decimal Value of Minute’s Tens Digit bits
Contains a value from 0 to 5.
MINONE<3:0>: Binary Coded Decimal Value of Minute’s Ones Digit bits
Contains a value from 0 to 9.
REGISTER 15-19: ALRMSEC: ALARM SECONDS VALUE REGISTER
U-0
—
bit 7
R/W-x
SECTEN2
R/W-x
SECTEN1
R/W-x
R/W-x
SECTEN0 SECONE3
R/W-x
SECONE2
R/W-x
SECONE1
R/W-x
SECONE0
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
bit 6-4
bit 3-0
Unimplemented: Read as ‘0’
SECTEN<2:0>: Binary Coded Decimal Value of Second’s Tens Digit bits
Contains a value from 0 to 5.
SECONE<3:0>: Binary Coded Decimal Value of Second’s Ones Digit bits
Contains a value from 0 to 9.
DS39933D-page 164
 2010 Microchip Technology Inc.