PIC18F86K22-I Datasheet, PDF (243/550 Pages) Microchip Technology – 64/80-Pin, High-Performance, 1-Mbit Enhanced Flash Microcontrollers

PIC18F87K22 FAMILY
18.6 Register Maps
Table 18-5, Table 18-6 and Table 18-7 summarize the
registers associated with the RTCC module.
TABLE 18-5: RTCC CONTROL REGISTERS
File Name Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RTCCFG RTCEN
—
RTCWREN RTCSYNC HALFSEC RTCOE RTCPTR1 RTCPTR0
RTCCAL
CAL7
CAL6
CAL5
CAL4
CAL3
CAL2
CAL1
CAL0
PADCFG1 RDPU
REPU
RJPU⁽¹⁾
—
—
RTSECSEL1 RTSECSEL0
—
ALRMCFG ALRMEN CHIME AMASK3 AMASK2 AMASK1 AMASK0 ALRMPTR1 ALRMPTR0
ALRMRPT ARPT7
ARPT6
ARPT5 ARPT4 ARPT3
ARPT2
ARPT1
ARPT0
PMD1
PSPMD CTMUMD RTCCMD TMR4MD TMR3MD TMR2MD TMR1MD EMBDM
Legend: — = unimplemented, read as ‘0’. Reset values are shown in hexadecimal for 80-pin devices.
Note 1: Unimplemented on 64-pin devices (PIC18F6XK22), read as ‘0’.
TABLE 18-6: RTCC VALUE REGISTERS
File Name Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
RTCVALH RTCC Value High Register Window Based on RTCPTR<1:0>
RTCVALL RTCC Value Low Register Window Based on RTCPTR<1:0>
Bit 2
Bit 1
Bit 0
TABLE 18-7: ALARM VALUE REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
ALRMVALH Alarm Value High Register Window Based on ALRMPTR<1:0>
ALRMVALL Alarm Value Low Register Window Based on ALRMPTR<1:0>
Bit 2
Bit 1
Bit 0
 2009-2011 Microchip Technology Inc.
DS39960D-page 243