PCF8563P NXP Semiconductors, PCF8563P Datasheet - Page 11

• Manufacturer Part Number: PCF8563P
• Manufacturer: NXP Semiconductors

Specifications of PCF8563P

• Bus Type: Serial (2-Wire, I2C)
• Date Format: DW:DM:M:Y
• Time Format: HH:MM:SS
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Package Type: PDIP
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 1.8V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Through Hole
• Lead Free Status / Rohs Status: Compliant

NXP Semiconductors
PCF8563
Product data sheet
8.4.6 Register Century_months
Table 14.
[1]
Table 15.
[1]
[2]
Table 16.
Day
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Bit
7
6 to 5 -
4
3 to 0
Month
January
February
March
April
May
June
July
August
September
October
November
December
Definition may be re-assigned by the user.
This bit may be re-assigned by the user.
This bit is toggled when the register Years overflows from 99 to 00.
[1]
Symbol
C
MONTHS
[1]
Weekday assignments
Century_months - century flag and months register (address 07h) bit description
Month assignments in BCD format
Upper-digit
(ten’s place)
Bit 4
0
0
0
0
0
0
0
0
0
1
1
1
All information provided in this document is subject to legal disclaimers.
Value
0
1
-
0 to 1
0 to 9
[2]
Bit
2
0
0
0
0
1
1
1
Rev. 7 — 23 July 2010
Place value Description
-
-
-
ten’s place
unit place
Digit (unit place)
Bit 3
0
0
0
0
0
0
0
1
1
0
0
0
indicates the century is x
indicates the century is x + 1
unused
actual month coded in BCD format, see
1
0
0
1
1
0
0
1
Bit 2
0
0
0
1
1
1
1
0
0
0
0
0
Bit 1
0
1
1
0
0
1
1
0
0
0
0
1
Real-time clock/calendar
0
0
1
0
1
0
1
0
PCF8563
© NXP B.V. 2010. All rights reserved.
Bit 0
1
0
1
0
1
0
1
0
1
0
1
0
Table 16
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