EEWORLDEEWORLDEEWORLD

Part Number

Search

PCF8564AU

Description
Real time clock and calendar
File Size411KB,48 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Download Datasheet Download user manual Compare View All

PCF8564AU Overview

Real time clock and calendar

PCF8564A
Real time clock and calendar
Rev. 3 — 26 August 2013
Product data sheet
1. General description
The PCF8564A is a CMOS
1
real-time clock and calendar optimized for low power
consumption. A programmable clock output, interrupt output and voltage low detector are
also provided. All addresses and data are transferred serially via the two-line bidirectional
I
2
C-bus. Maximum bus speed is 400 kbit/s. The built-in word address register is
incremented automatically after each written or read data byte.
2. Features and benefits
Provides year, month, day, weekday, hours, minutes, and seconds based on a
32.768 kHz quartz crystal
Wide clock operating voltage: 1.0 V to 5.5 V
Low back-up current typical 250 nA at 3.0 V and 25
C
400 kHz two-wire I
2
C interface (1.8 V to 5.5 V)
Low-voltage detector
Alarm and timer functions
Two integrated oscillator capacitors
Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and
1 Hz)
Internal Power-On Reset (POR)
I
2
C slave address: read A3h, write A2h
3. Applications
Timing devices
Time of the day tracking
Process timing
Alarm
Portable instruments
Electronic metering
Battery powered products
1.
The definition of the abbreviations and acronyms used in this data sheet can be found in
Section 20.

PCF8564AU Related Products

PCF8564AU PCF8564AU/5BB/1 PCF8564AU/5GC/1 PCF8564AUG PCF8564AUG/12HB/1 PCF8564A_1308
Description Real time clock and calendar Real time clock and calendar Real time clock and calendar Real time clock and calendar Real time clock and calendar Real time clock and calendar
Urgent request for graduation project: Multi-waveform signal generator
Requirements for multi-waveform signal generator: 1. It can generate 5 kinds of waveforms, at least three of which are sine, square and triangle. 2. It can modulate frequency and amplitude, with a fre...
你的初吻奶嘴 Embedded System
How to measure the internal resistance of the battery?
One of the important signs of battery status is its internal resistance. Whether the battery is about to fail, the capacity is insufficient, or the charging and discharging is improper, it can be refl...
zxw1126 Test/Measurement
Which one costs more: 200 MSP430s or 250 MSP430s?
I think it is more convenient to buy chips in small quantities at TI's official store, the quality is guaranteed and the price is reasonable. However, there are some details to pay attention to. As th...
littleshrimp Microcontroller MCU
LoadLibrary failed under standard
I made a DLL using evc4.0. It can be called normally in PPC2003, WM5, and WM6. But it fails in WM6 standard. hDll = ::LoadLibrary(L".\\*.dll"); returns NULL. How can I solve this problem? Thank you....
kentsky Embedded System
About bad block management of nandflash
There are a few questions I don't understand. Please help me.1. Before judging whether the corresponding byte in the spare area is ff, must we first execute the block erase instruction BlockErease, an...
zzqqking stm32/stm8
Current state of DAS technology
DAS classified by function is listed in Figure 1; the specific performance characteristics of various systems such as automation level, time of action, accident consequences and functions in emergency...
frozenviolet Automotive Electronics

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 423  2886  1523  428  2163  9  59  31  44  49 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号