PCF8583T データシートの表示（PDF） - NXP Semiconductors.
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PCF8583T Datasheet PDF : 37 Pages
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NXP Semiconductors
PCF8583
Clock and calendar with 240 x 8-bit RAM
Table 4. Cycle length of the time counters, clock modes
Unit
Counting cycle Carry to next unit
hundredths of a second
seconds
minutes
hours (24)
hours (12)
date
months
year
weekdays
timer
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 31
01 to 30
01 to 29
01 to 28
01 to 12
0 to 3
0 to 6
00 to 99
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
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
-
-
-
-
7.5 Alarm control register
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 Figure 10).
PCF8583
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 06 — 6 October 2010
© NXP B.V. 2010. All rights reserved.
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