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PCF8564A Datasheet(PDF) 24 Page - NXP Semiconductors

Part # PCF8564A
Description  Tiny Real-Time Clock/calendar with alarm function and I2C-bus
PDF  65 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8564A Datasheet(HTML) 24 Page - NXP Semiconductors

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PCF85063A
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 7 — 30 March 2018
24 of 65
NXP Semiconductors
PCF85063A
Tiny Real-Time Clock/calendar with alarm function and I2C-bus
[1]
Definition may be reassigned by the user.
[2]
Default value.
8.3.6 Register Months
[1]
Default value.
Table 25.
Weekday assignments
Day[1]
Bit
2
1
0
Sunday
0
0
0
Monday
0
0
1
Tuesday
0
1
0
Wednesday
0
1
1
Thursday
1
0
0
Friday
1
0
1
Saturday[2]
110
Table 26.
Months - months register (address 09h) bit description
Bit
Symbol
Value
Place value Description
7 to 5
-
000
-
unused
4
MONTHS
0 to 1
ten’s place
actual month coded in BCD
format, see Table 27
3 to 0
0 to 9
unit place
Table 27.
Month assignments in BCD format
Month
Upper-digit
(ten’s place)
Digit (unit place)
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
January[1]
00
001
February
0
0
0
1
0
March
0
0
0
1
1
April
00
100
May
00
101
June
00
110
July
00
111
August
01
000
September
0
1
0
0
1
October
10
000
November
10
001
December
10
010



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