Microchip Technology MCU PIC PIC18F87K22-I/PTRSL TQFP-80 MCP PIC18F87K22-I/PTRSL Data Sheet
Product codes
PIC18F87K22-I/PTRSL
2009-2011 Microchip Technology Inc.
DS39960D-page 243
PIC18F87K22 FAMILY
18.6
Register Maps
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
(
)
—
—
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
Bit 2
Bit 1
Bit 0
RTCVALH RTCC Value High Register Window Based on RTCPTR<1:0>
RTCVALL
RTCVALL
RTCC Value Low Register Window Based on RTCPTR<1:0>
TABLE 18-7:
ALARM VALUE REGISTERS
File Name
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
ALRMVALH Alarm Value High Register Window Based on ALRMPTR<1:0>
ALRMVALL Alarm Value Low Register Window Based on ALRMPTR<1:0>
ALRMVALL Alarm Value Low Register Window Based on ALRMPTR<1:0>