PIC24FJ128GA Datasheet, PDF (151/232 Pages) Microchip Technology – General Purpose, 16-Bit Flash Microcontrollers

PIC24FJ128GA FAMILY
18.0 REAL-TIME CLOCK AND
CALENDAR
Note:
This data sheet summarizes the features
of this group of PIC24FJ devices. It is not
intended to be a comprehensive reference
source.
FIGURE 18-1:
RTCC BLOCK DIAGRAM
RTCC Clock Domain
32.768 kHz Input
from SOSC Oscillator
RTCC Prescalers
0.5s
Alarm
Event
RTCC Timer
Comparator
Compare Registers
with Masks
Repeat Counter
CPU Clock Domain
RCFGCAL
ALCFGRPT
RTCVAL
ALRMVAL
YEAR
MTHDAY
WKDYHR
MINSEC
ALMTHDY
ALWDHR
ALMINSEC
RTCC Interrupt Logic
RTCC Interrupt
Alarm Pulse
RTCOE
RTCC Pin
© 2006 Microchip Technology Inc.
Preliminary
DS39747C-page 149