Description

ISL12057IUZ Video Description: what is rtc ? and how it is working ?

RTC stands for real time clock.

RTC module code is ds3231 the code is given in the datasheet for all components. It is work in 3.3v 5v may kill the module.

It is used to maintain accurate time keeping when main power to the device is interrupted.

The rtc maintain maintains second,hours, day,date, month and year information. Real time clock The date at end of the month is automatically adjusted for month with fewer then 31 days including corrections for leap years.

Example : February has 29 days in this period rtc changes the next month automatically.

The rtc operates in either 24 hours and 12 hours format ith AM/PM indicator

step 3: Benefits and features; simple serial interface connects to most microcontrollers eg: I2C real time clock battery backup input for continuous time keeping operating temperature ranges

in commercial : (0*c to +70*c)

in industrial : (-40*c to +85*c)

step 4: APPLICATIONS :

gps servers utility power meters

step 5: PIN DESCRIPTION

in this module we have 6 more pins we use only 4.

1.gnd (Ground )

2.vcc (5v)

3.SCA (for serial clock input )

4.SDA (for serial data input/output pin)

Features

-Pin Compatible to Maxim DS1337
-Functionally Equivalent to Maxim DS1337
-Real-Time Clock/Calendar
Tracks Time in Hours, Minutes, and Seconds
- Day of the Week, Date, Month, and Year
-Dual Interrupts for Frequency Output and Alarminterrupts
-Four Selectable Frequency Outputs
Two Alarms
- Settable to the Second, Minute, Hour, Day of the Week, and Date
I2C Interface
- 400kHz Data Transfer Rate
Small Package Options
- 8 Ld 2mmx2mm UTDFN
- 8 Ld MSOP
- 8 Ld SOIC
- Pb-Free (RoHS Compliant)

Pin Information

Block Diagram

Applications

·Utility Meters

·HVAC Equipment
·Audio/Video Components
·Set-Top Box/Television
·Modems
·Network Routers, Hubs, Switches, Bridges
·Cellular Infrastructure Equipment
·Fixed Broadband Wireless Equipment
·Pagers/PDA
·Point Of Sale Equipment
·Test Meters/Fixtures
·Office Automation (Copiers, Fax)
·Home Appliances
·Computer Products
·Other Industrial/Medical/Automotive

Datasheet

You can download the datasheet the link given below.

ISL12057IUZ Datasheet

Quality

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