Datasheet

PIC24FJ128GC010 FAMILY
DS30009312B-page 326  2012-2013 Microchip Technology Inc.
bit 7-0 CAL<7:0>: RTC Drift Calibration bits
01111111 = Maximum positive adjustment; adds 127 RTC clock pulses every 15 seconds
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01111111 = Minimum positive adjustment; adds 1 RTC clock pulse every 15 seconds
00000000 = No adjustment
11111111 = Minimum negative adjustment; subtracts 1 RTC clock pulse every 15 seconds
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10000000 = Maximum negative adjustment; subtracts 128 RTC clock pulses every 15 seconds
REGISTER 23-1: RCFGCAL: RTCC CALIBRATION/CONFIGURATION REGISTER
(1)
(CONTINUED)
Note 1: The RCFGCAL register is only affected by a POR.
2: A write to the RTCEN bit is only allowed when RTCWREN = 1.
3: This bit is read-only; it is cleared to ‘0’ on a write to the lower half of the MINSEC register.