PCF8564ACX9/B/1,02 NXP Semiconductors, PCF8564ACX9/B/1,02 Datasheet - Page 11

• Manufacturer Part Number: PCF8564ACX9/B/1,02
• Description: IC RTC/CALENDAR
• Manufacturer: NXP Semiconductors
• Type: Clock/Calendar/Alarmr

Specifications of PCF8564ACX9/B/1,02

• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 1 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: Die
• Function: Serial Clock, Alarm, Calendar, Timer, Timer Interrupt
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1 V
• Mounting Style: SMD/SMT
• Rtc Bus Interface: I2C
• Supply Current: 1700 nA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: 568-6424-2; PCF8564ACX9/B/1,02

NXP Semiconductors
PCF8564A
Product data sheet
8.4.6 Register 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
Months - months and century flag register (address 07h) bit description
Month assignments coded 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. 02 — 30 September 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
Real time clock and calendar
Bit 1
0
1
1
0
0
1
1
0
0
0
0
1
PCF8564A
0
0
1
0
1
0
1
0
© 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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