Datasheet

Table Of Contents
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.
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 Bit 0
All Resets
on Page
RTCVALH RTCC Value High Register Window Based on RTCPTR<1:0> 64
RTCVALL RTCC Value Low Register Window Based on RTCPTR<1:0> 64
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> 64
ALRMVALL Alarm Value Low Register Window Based on ALRMPTR<1:0> 64
Legend: — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.