PCF8563PN NXP Semiconductors, PCF8563PN Datasheet - Page 11

• Manufacturer Part Number: PCF8563PN
• Description: Real Time Clock ULTRA LOW POWER CLOCK CALENDAR
• Manufacturer: NXP Semiconductors

Specifications of PCF8563PN

• Function: Clock, Calendar, Alarm, Timer Interrupt
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.8 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: Through Hole
• Rtc Bus Interface: Serial
• Package / Case: PDIP-8
• Time Format: HH:MM:SS
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: PCF8563P/F4,112

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]
Rev. 8 — 18 November 2010
Bit
2
0
0
0
0
1
1
1
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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