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PCF85363ATL/A Fiches technique(PDF) 42 Page - NXP Semiconductors

No de pièce PCF85363ATL/A
Description  Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over time stamp input, and I2C-bus
PDF  86 Pages
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Fabricant  NXP [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF85363ATL/A Fiches technique(HTML) 42 Page - NXP Semiconductors

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NXP Semiconductors
PCF85363A
Tiny Real-Time Clock/calendar with 64 byte RAM, alarm function, battery switch-over time stamp input,
and I2C-bus
7.11.3.2 Switching at the VBAT level, BSM[1:0] = 01
aaa-010425
internal power supply
cleared via interface
BSF
Vth
VDD (= 0 V)
VBAT
VDD
INTA
battery mode indication
interface active
interface inactive
interface active
I2C
Figure 24. Switching at VBAT
7.11.3.3 Switching at the higher of VBAT or Vth level, BSM[1:0] = 10
With this mode switching takes place when VDD falls below the higher of Vth or VBAT.
In Figure 25, an example is given where the threshold is set to 1.5 V and a single cell
battery is connected to VBAT. In this example, switching to the battery voltage takes
place when VDD falls below Vth.
PCF85363A
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2021. All rights reserved.
Product data sheet
Rev. 3.1 — 18 June 2021
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