I2C-RTC Gravitech, I2C-RTC Datasheet

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I2C-RTC

Manufacturer Part Number
I2C-RTC
Description
Clock & Timer Development Tools I2C REAL-TIME CLOCK
Manufacturer
Gravitech
Type
RTCr
Datasheet

Specifications of I2C-RTC

Rohs
yes
Product
I2C-RTC Boards
Tool Is For Evaluation Of
DS1340-33
Frequency
100 kHz to 400 kHz
Operating Supply Voltage
2.97 V to 5.5 V
Dimensions
1.05 in x 0.8 in
Interface Type
I2C
TM
2
I2C-RTC
I
C Real-time Clock
User Manual
GRAVITECH.US
uResearch
GRAVITECH GROUP
Copyright © 2007 MicroResearch
GRAVITECH GROUP
WWW.GRAVITECH.US

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I2C-RTC Summary of contents

Page 1

... TM 2 I2C-RTC I User Manual GRAVITECH.US uResearch GRAVITECH GROUP Copyright © 2007 MicroResearch GRAVITECH GROUP C Real-time Clock WWW.GRAVITECH.US ...

Page 2

... I2C-RTC Description The I2C-RTC board is a 6-pin CMOS Real-time Clock device using I There are no external required. Only two signal lines SDA and SCL plus supply voltage and ground are required to be connected. This makes it perfect for embedded systems that require real-time clock. ...

Page 3

... Output Frequency Test/Output NC No connect PWR Supply voltage pins: The I2C-RTC operates as a slave on the bus. Only two signal lines SDA and SCL are required for specification for more information. FT/OUT pin: This pin is used to output either a 512Hz signal or the value of the OUT bit ...

Page 4

... I2C-RTC value of the OUT bit. This open-drain pin requires an external pull-up resistor, and operates with either VCC or VBACKUP applied. Battery holder: This is a backup power source. 3V coin battery is required to hold the data when there is no power applies to VCC. The compatible coin cell batteries are BR1216, CR1216, BR1220, CL1220, CR1220 and BR1225 ...

Page 5

... I2C-RTC Accessories All of the accessories are available for purchase via our website. If you don’t see the item you need, please contract our sales department at sales@gravitech.us • CR1220 Nominal Voltage: 3V Nominal Capacity: 550 mAh Low self-discharge rate Wide temperature usage range: -20°C ~ +60° ...

Page 6

... I2C-RTC We maintain a website where you can get information on our products, literature and download support files. Visit us online at: WWW.GRAVITECH.US Use our online Forum or e-mail your technical support questions support@gravitech.us. We try to respond to your questions the same day. Disclaimer: MicroResearch reserves the right to modify its products or literature discontinue any product at any time without prior notice ...

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