PIC18F87J90 Datasheet, PDF (171/450 Pages) Microchip Technology – 64/80-Pin, High-Performance Microcontrollers with LCD Driver and nanoWatt Technology

PIC18F87J90 FAMILY
15.6 Register Maps
Table 15-5, Table 15-6 and Table 15-7 summarize the
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 64
RTCCAL
CAL7
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
64
PADCFG1
—
—
—
—
—
RTSECSEL1 RTSECSEL0
—
64
ALRMCFG ALRMEN
CHIME
AMASK3 AMASK2 AMASK1 AMASK0 ALRMPTR1 ALRMPTR0 64
ALRMRPT ARPT7
ARPT6
ARPT5
ARPT4
ARPT3
ARPT2
ARPT1
ARPT0
64
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
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
64
64
TABLE 15-7: 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
64
64
 2010 Microchip Technology Inc.
DS39933D-page 171