Introduction. EEPROM, or Electrically Erasable Programmable Read-Only Memory, is a type of device that allows you to store small chunks of data and retrieve it. resistor to the same VCC power source as EEPROM, if MCU is powered by a different Figure 1: GIANTEC 24 series EEPROM recommended connections. General Description. The 24C02 / 24C04 provides / bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as.
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Serial EEPROM AT24C02
It has a 2Kbits of memory size arranged in 32 pages of 8 byte each. There are 32 x 8 words each of one byte.
The data is transferred and received serially through serial data SDA pin. This high-density System-in-Package SiP integrates controller, power switches, and support components. Skip to main content.
When data is to be read or write, first a start condition is created followed by device address, byte address and the data itself. Finally a stop condition is provided. The data is read or written between the start and stop conditions on every transition of SCL from high to low.
For more eeporm on different operations and addressing, refer interfacing 24C02 with There are three address pins in AT24C02 for selecting a particular chip. The device can be addressed serially by the software.
24C EEPROM Check –
This last bit is 1 for write and 0 for read operation. Similarly for read operation the device address to be sent is 0xA0 Next, the eperom or page address is sent followed by the data byte.
This data byte is to be written on or read by the microcontroller. Bi-directional pin for serial data transfer. Vcc enables write protection. Supply voltage; 5V up to 5. Interface GPS with Arduino. Interface SD Card with Arduino.
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