Datasheet

 2009-2011 Microchip Technology Inc. DS39957D-page 235
PIC18F87K90 FAMILY
17.6 Register Maps
Table 17-5, Table 1 7-6 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 80
RTCCAL CAL7 CAL6 CAL5 CAL4 CAL3 CAL2 CAL1 CAL0 80
PADCFG1 RDPU REPU
RJPU
(1)
— — RTSECSEL1 RTSECSEL0 — 80
ALRMCFG ALRMEN CHIME AMASK3 AMASK2 AMASK1 AMASK0 ALRMPTR1 ALRMPTR0 80
ALRMRPT ARPT7 ARPT6 ARPT5 ARPT4 ARPT3 ARPT2 ARPT1 ARPT0 80
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 Bit 0
All Resets
on Page:
RTCVALH RTCC Value High Register Window Based on RTCPTR<1:0> 80
RTCVALL RTCC Value Low Register Window Based on RTCPTR<1:0> 80
Legend: — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.
TABLE 17-7: 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> 80
ALRMVALL Alarm Value Low Register Window Based on ALRMPTR<1:0> 80
Legend: — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.