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PCF85263AT/A Datasheet(PDF) 13 Page - NXP Semiconductors

Part # PCF85263AT/A
Description  Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus
PDF  92 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF85263AT/A Datasheet(HTML) 13 Page - NXP Semiconductors

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NXP Semiconductors
PCF85263A
Tiny Real-Time Clock/calendar with alarm function, battery switch-over, time stamp input, and I2C-bus
7.2.5 Definition of months
Upper-digit
(ten’s place)
Digit (unit place)
Month
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
January
0
0
0
0
1
February
0
0
0
1
0
March
0
0
0
1
1
April
0
0
1
0
0
May
0
0
1
0
1
June
0
0
1
1
0
July
0
0
1
1
1
August
0
1
0
0
0
September
0
1
0
0
1
October
1
0
0
0
0
November
1
0
0
0
1
December
1
0
0
1
0
Table 10. Month assignments in BCD format
7.2.6 Setting and reading the time in RTC mode
Figure 11 shows the data flow and data dependencies starting from the 100 Hz clock tick.
aaa-009580
SECONDS
100 Hz tick
MINUTES
HOURS
12_24
DAYS
WEEKDAY
LEAP YEAR
CALCULATION
MONTHS
YEARS
100TH_SECOND
100TH
1 Hz tick
Figure 11. Data flow for the time function
PCF85263A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 5 — 1 February 2021
13 / 92



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