PIC18F87K90 Datasheet, PDF (233/566 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt XLP Technology

PIC18F87K90 FAMILY
17.6 Register Maps
Table 17-5, Table 17-6 and Table 17-7 summarize the
registers associated with the RTCC module.
TABLE 17-5: 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
78
RTCCAL
CAL7
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
78
PADCFG1 RDPU
REPU
RJPU⁽¹⁾
—
—
RTSECSEL1 RTSECSEL0
—
78
ALRMCFG ALRMEN CHIME AMASK3 AMASK2 AMASK1 AMASK0 ALRMPTR1 ALRMPTR0 78
ALRMRPT ARPT7
ARPT6
ARPT5
ARPT4
ARPT3
ARPT2
ARPT1
ARPT0
78
Legend: — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.
Note 1: Not available on 64-pin devices.
TABLE 17-6: RTCC VALUE REGISTERS
File Name Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
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.
Bit 0
All Resets
on Page:
78
78
TABLE 17-7: ALARM VALUE REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
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.
Bit 0
All Resets
on Page:
78
78
 2010 Microchip Technology Inc.
Preliminary
DS39957B-page 233