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Next we start off just like we did with the write function by starting the process with 24c64q and then we send the address we want to access; this works exactly the same datasheeet as the write function.

The item you’ve selected wasn’t added to your basket. Serial Clock Input WP: For additional information, see the Global Shipping Programme terms and conditions – opens in a new window or tab This amount includes applicable customs duties, taxes, brokerage and other fees. If the pin is high 5V and the address is in the top bytes, the write is ignored. The next three bits A2,A1,A0 are the important bits that we can change so lets look at the simple table below to see what address the chip will have depending on what we set these pins to.

To illustrate this lets follow the steps below. Please enter a valid postcode. Address bit 0 A1: Next we have to send the address on the eeprom we want to write to.

24C64A Datasheet

Next lets go ahead and connect the data pins to the Arduino board. Sign in for checkout Check out as guest.

Then connect the SCL pin 6 to pin 5 on the Arduino. Find out more about your rights as a buyer – opens in a new window or tab and exceptions – opens in a new window or tab. The 24LC gets the data and writes the data to that address location. Description Postage and payments. Postage cost can’t be calculated. If you are using Arduino 1. Learn more – opens in new window or tab. This item will be sent through the Global Shipping Programme and includes international tracking.


The WP pin stands afmel write-protected and this allows you to control if data can be written to the eeprom or not.

24C64A Datasheet PDF – Atmel Corporation

This variable is not required but it allows us to easily change the address we want to access without going through all of the code and replacing the value. For the purpose of explaining how the address works we can ignore the Start and Acknowledge bits.

Get the fatasheet you ordered or your money back. The pinout is as follows: Most purchases from business sellers are protected by the Consumer Contract Regulations which give you the right to cancel the purchase within 14 days after the day you receive the item. After our data and power pins are connected we have four left datashewt 24LC chip, the WP pin and the three address pins. The next function requestFrom sends the command to that chip to start sending the data at the address we set above.

See all condition definitions – opens in a new window or tab Tamel first call the Wire. There are 32 items available. For more information, please see the Atmel AT24C64 datasheet: Some areas may incur additional costs 4 Datashete ensure you have a valid contact phone number registered with Ebay, I will pass this number onto the Carrier for delivery.

This excludes weekends and public holiday. Check where the seller is located not just the item location. For example, setting A0 to 1, A1 to 1 and A2 to 0 would produce a binary number of – which is 3 in decimal. You’re covered by the eBay Money Back Guarantee if you receive an item that is not as described in the listing.


Address bit 2 GND: The first argument is the address of the device you want to write to, in our case we only have one device disk1 so we 24c4a this on.

【24C64AM ATMEL】Electronic Components In Stock Suppliers in 【Price】【цена】【Datasheet PDF】USA

Some sellers claim the stock is in the UK, please be careful, the seller is often in China and sends the item to a UK agent who then forwards the item on with a UK stamp. Add to Watch list Watching Watch list is full. Learn more – opens in a new dstasheet or tab. The arguments it accepts are the same first two arguments the write function, atmdl device address and the address on the eeprom to read from.

Positive Voltage between 2. The first send function takes the eeaddress and shifts the bits to the right by 24c4a which moves the higher end of the 16 bit address down to the lower eight bits. This tutorial was originally posted on the 10kohms.

Please enter up to 7 characters for the postcode. This is written for Arduino versions before 1. The Write Protect pin allows you to protect the top bytes of memory from changes – if this pin is low 0V then all writes are allowed.