I²C Page Write

Get ready to drink from the fire hose…

An I²C page write is used to write a stream of 64 bytes to the device (some devices might have different page sizes).


EEPROM Page Write Procedure

  1. Check for bus idle
  2. Send start condition, wait for it to complete
  3. Write control byte (with device address)
  4. Check for bus idle
  5. Write high byte of memory address
  6. Check for bus idle
  7. Write low byte of memory address
  8. Check for bus idle
  9. Write byte of data
  10. Check for bus idle - go to 9 until 64 bytes written
  11. Send stop condition, wait for it to complete
  12. Wait for write cycle to complete (ACK from EEPROM)
© 2024 Microchip Technology, Inc.
Notice: ARM and Cortex are the registered trademarks of ARM Limited in the EU and other countries.
Information contained on this site regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer's risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights.