Microchip Technology MA180025 Data Sheet
2010 Microchip Technology Inc.
DS39933D-page 171
PIC18F87J90 FAMILY
15.6
Register Maps
Table 15-5, Table 15-6 and Table 15-7 summarize the
registers associated with the RTCC module.
registers associated with the RTCC module.
TABLE 15-5:
RTCC CONTROL REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
All
Resets
on Page
RTCCFG
RTCEN
—
RTCWREN RTCSYNC HALFSEC
RTCOE
RTCPTR1
RTCPTR0
RTCCAL
CAL7
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
PADCFG1
—
—
—
—
—
RTSECSEL1 RTSECSEL0
—
ALRMCFG
ALRMEN
CHIME
AMASK3
AMASK2
AMASK1
AMASK0
ALRMPTR1 ALRMPTR0
ALRMRPT
ARPT7
ARPT6
ARPT5
ARPT4
ARPT3
ARPT2
ARPT1
ARPT0
Legend:
— = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.
TABLE 15-6:
RTCC VALUE REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
All Resets
on Page
RTCVALH
RTCC Value High Register Window Based on RTCPTR<1:0>
RTCVALL
RTCC Value Low Register Window Based on RTCPTR<1:0>
Legend:
— = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.
TABLE 15-7:
ALARM VALUE REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
All
Resets
on Page
ALRMVALH Alarm Value High Register Window Based on ALRMPTR<1:0>
ALRMVALL
Alarm Value Low Register Window Based on ALRMPTR<1:0>
Legend:
— = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.