PCF8583T NXP Semiconductors, PCF8583T Datasheet - Page 9

• Manufacturer Part Number: PCF8583T
• Manufacturer: NXP Semiconductors

Specifications of PCF8583T

• Bus Type: Serial (2-Wire, I2C)
• Operating Supply Voltage (typ): 3.3/5V
• Package Type: SO
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 2.5V
• Operating Temperature Classification: Industrial
• Operating Temperature (max): 85C
• Operating Temperature (min): -40C
• Pin Count: 8
• Mounting: Surface Mount
• Date Format: DW:DM:M:Y
• Time Format: HH:MM:SS:hh
• Lead Free Status / RoHS Status: Compliant

NXP Semiconductors
PCF8583
Product data sheet
7.5 Alarm control register
Table 4.
When the alarm enable bit of the control and status register is set (address 00h, bit 2) the
alarm control register (address 08h) is activated. All alarm, timer, and interrupt output
functions are controlled by the contents of the alarm control register (see
Unit
hundredths of a second
seconds
minutes
hours (24)
hours (12)
date
months
year
weekdays
timer
Cycle length of the time counters, clock modes
All information provided in this document is subject to legal disclaimers.
Rev. 06 — 6 October 2010
Counting cycle Carry to next unit
00 to 99
00 to 59
00 to 59
00 to 23
12 am
01 am to 11 am
12 pm
01 pm to 11 pm
01 to 30
01 to 29
01 to 28
01 to 12
0 to 3
0 to 6
00 to 99
01 to 31
99 to 00
59 to 00
59 to 00
23 to 00
-
-
-
11 pm to 12 am
31 to 01
30 to 01
29 to 01
28 to 01
12 to 01
-
6 to 0
no carry
Clock and calendar with 240 x 8-bit RAM
-
-
-
Contents of month
calendar
-
-
-
-
-
-
1, 3, 5, 7, 8, 10, and 12
4, 6, 9, and 11
2, year = 0
2, year = 1, 2, and 3
-
-
-
PCF8583
© NXP B.V. 2010. All rights reserved.
Figure
10).
9 of 37