PCF2127 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
MFG CO.
'PCF2127' PDF : 101 Pages View PDF
NXP Semiconductors
PCF2127
Accurate RTC with integrated quartz crystal for industrial applications
8.12.4 Dependency between Battery switch-over and timestamp
The timestamp function depends on the control bit BTSE in register Control_3:
Table 81.
BTSE
0
1
Battery switch-over and timestamp
BF
Description
-
[1] the battery switch-over does not affect the
timestamp registers
If a battery switch-over event occurs:
0
[1] the timestamp registers store the time and
date when the switch-over occurs;
after this event occurred BF is set logic 1
1
the timestamp registers are not modified;
in this condition subsequent battery
switch-over events or falling edges on pin TS
are not registered
[1] Default value.
PCF2127
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 8 — 19 December 2014
© NXP Semiconductors N.V. 2014. All rights reserved.
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