PCF8564A datasheet(1/59 Pages) NXP

Part #	PCF8564A

Description	Automotive tiny Real-Time Clock/calendar with alarm function and I2C-bus

PDF	59 Pages

Scroll/Zoom	100%

Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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1 / 59 page

1.

General description

The PCA85063A is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low

power consumption. An offset register allows fine-tuning of the clock. All addresses and

data are transferred serially via the two-line bidirectional I2C-bus. Maximum data rate is

400 kbit/s. The register address is incremented automatically after each written or read

data byte.

For a selection of NXP Real-Time Clocks, see Table 45 on page 50

2.

Features and benefits

3.

Applications

PCA85063A

Automotive tiny Real-Time Clock/calendar with alarm function

and I2C-bus

Rev. 4 — 30 March 2018

Product data sheet

1.

The definition of the abbreviations and acronyms used in this data sheet can be found in Section 22.

 AEC-Q100 grade 2 compliant for

automotive applications

 High temperature operation range:

40 C to +105 C

 Provides year, month, day, weekday,

hours, minutes, and seconds based on a

32.768 kHz quartz crystal

 Clock operating voltage: 0.9 V to 5.5 V

 Low current; typical 0.25

Aat

VDD = 3.0 V and Tamb =25 C

 400 kHz two-line I2C-bus interface

(at VDD =1.8Vto5.5V)

 Programmable clock output for

peripheral devices (32.768 kHz,

16.384 kHz, 8.192 kHz, 4.096 kHz,

2.048 kHz, 1.024 kHz, and 1 Hz)

 Selectable integrated oscillator load

capacitors for CL =7pF or CL =12.5pF

 Alarm function

 Countdown timer

 Minute and half minute interrupt

 Oscillator stop detection function

 Internal Power-On Reset (POR)

 Programmable offset register for

frequency adjustment

 Tracking time of the day

 Accurate timing

 Dashboard

 Infotainment unit

 Air condition

 Center stack

 Telematics

 Body control and battery management

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PCF8564A Datasheet(PDF) 1 Page - NXP Semiconductors

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