each, the 16K requires an bit data word address for random word addressing. WP Pin. Status. Part of the Array Protected. 24C01A. 24C 24C 24C08A. 24C04 EEPROM are available at Mouser Electronics. Mouser offers For: 24C Obsolete. Microchip Technology / Atmel, EEPROM 7 MILS V – 10MS V. Read about ’24C04 Interfacing issue’ on elementcom. Hey there,I am trying to interface the AT24C04 4K EEPROM with Atmega

Author: Kizragore Nikojar
Country: Paraguay
Language: English (Spanish)
Genre: Music
Published (Last): 28 February 2015
Pages: 156
PDF File Size: 17.91 Mb
ePub File Size: 1.5 Mb
ISBN: 870-7-92426-356-2
Downloads: 84175
Price: Free* [*Free Regsitration Required]
Uploader: Mikar

The device will not respond to the address that is being set dynamically. Please refer to AT24C08A. Even the data sheet that you linked can lead to confusion in this regard. If a total of eight 24C02’s are used in the design then each of the devices will have these three pins hard strapped in a different combination from the set of b, b, b, b, b, b, b and b.

So for example you keep A0: Full 2K Array 24C04 1. This device is not recommended for new designs. On top of that I have never been sure that it is even possible to dynamically change the strapped value on the A0, A1 and A2 pins of a 24C02 after it has powered up.


I will try in about an hour. However, it doesn’t matter what I set these pins to. Atmel Corporation makes no warranty for the use of its products, other than those expressly contained in. Normally there is no writing to the 24C02 pins. In Arduino, the function that does this is digitalWrite.

Atmel Corporation makes no warranty for the. The information in this document is provided in connection with Atmel.

Atmel – datasheet pdf

Found 8 device s. Can you explain what hardwiring is? You do not write the addresses; you hardwire them. When you say that you are “writing” to the pins this does not make clear exactly what you are doing.


TurboJ The chip says the following: By using our site, you acknowledge that you have read and understand our Cookie AtemlPrivacy Policyand our Terms of Service. Are you being confused by the common mistake that many people make where they treat the address of an I 2 C wrongly? This output is from I2C scanner.

Is there something else I need to do?

Sign up or log in Sign up using Google. Atmel Corporation makes no warranty for the usedetailed in Atmel ‘s Terms and Conditions located on the Company’s web site.


Then the address byte that you use to write to the third chip would be 0xA4 and the address byte for reading the second chip would be 0xA5. MaNyYaCk 6 In figure 4 they refer to the address as an 8-bit quantity: Atmel Corporation makes no warranty for the use.

24C04 Datasheet PDF

It considers the value of the A0,A1 and A2 before the power up and sticks to it till reset. Can’t change the values dynamically. Can you give more information?

Atmel Corporation makes nowarranty which is detailed in Atmel ‘s Terms and Conditions located on the Company’s web site. Home Questions Tags Users Unanswered.

atml Previous 1 2 A2 are used for creating the address. No license, express or implied, by estoppel or otherwise, to any. Sign up using Facebook. By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies. If you just have one 24C02 then you would connect all atmsl of those pins to GND as b.