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PIC24FJ256GA705-I/M4. Datasheet(PDF) 255 Page - Microchip Technology

Part # PIC24FJ256GA705-I/M4.
Description  16-Bit General Purpose Microcontrollers with 256-Kbyte Flash and 16-Kbyte RAM in Low Pin Count Packages
PDF  412 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC24FJ256GA705-I/M4. Datasheet(HTML) 255 Page - Microchip Technology

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 2016 Microchip Technology Inc.
DS30010118B-page 255
PIC24FJ256GA705 FAMILY
REGISTER 21-2:
RTCCON1H: RTCC CONTROL REGISTER 1 (HIGH)
R/W-0
R/W-0
U-0
U-0
R/W-0
R/W-0
R/W-0
R/W-0
ALRMEN
CHIME
—
—
AMASK3
AMASK2
AMASK1
AMASK0
bit 15
bit 8
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
R/W-0
ALMRPT7
ALMRPT6
ALMRPT5
ALMRPT4
ALMRPT3
ALMRPT2
ALMRPT1
ALMRPT0
bit 7
bit 0
Legend:
R = Readable bit
W = Writable bit
U = Unimplemented bit, read as ‘0’
-n = Value at POR
‘1’ = Bit is set
‘0’ = Bit is cleared
x = Bit is unknown
bit 15
ALRMEN:
Alarm Enable bit
1
= Alarm is enabled (cleared automatically after an alarm event whenever ALMRPT<7:0> = 00h and
CHIME = 0)
0
= Alarm is disabled
bit 14
CHIME:
Chime Enable bit
1
= Chime is enabled; ALMRPT<7:0> bits roll over from 00h to FFh
0
= Chime is disabled; ALMRPT<7:0> bits stop once they reach 00h
bit 13-12
Unimplemented:
Read as ‘0’
bit 11-8
AMASK<3:0>:
Alarm Mask Configuration bits
0000
= Every half second
0000
= Every second
0010
= Every 10 seconds
0011
= Every minute
0100
= Every 10 minutes
0101
= Every hour
0110
= Once a day
0111
= Once a week
1000
= Once a month
1001
= Once a year (except when configured for February 29th, once every 4 years)
101x
= Reserved – do not use
11xx
= Reserved – do not use
bit 7-0
ALMRPT<7:0>:
Alarm Repeat Counter Value bits
11111111
= Alarm will repeat 255 more times
•
•
•
00000000
= Alarm will repeat 0 more times
The counter decrements on any alarm event. The counter is prevented from rolling over from ‘00’ to ‘FF’
unless CHIME = 1.



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