Table of Contents
EEPROM memory
Description
AT24Cxxx group of I2C EEPROM with possibility to set address and write protect mode.
Used Pins
Arduino Leonardo Compatibility
Digital Pin: 2, 3
Bus: TWI
Power Pin: GND, +5V
Arduino Uno Compatibility
Analogue Pin: 4,5
Bus: TWI
Power Pin: GND, +5V
Config options
Configuration has one switch group (A0, A1, A2) and one switch WP with two state 0 (short cut between middle pin and pin signed 0) and 1 (short cut between middle pin and pin signed 1).
- A0 - address bit 0 (default set to 0)
- A1 - address bit 1 (default set to 0)
- A2 - address bit 2 (default set to 0)
- WP - write protect where 1 mean protected, and 0 mean unprotected (default set to 0)
Code example
Arduino library DpI2CEEPROM library. PLease use example Simple .
Arduino library i2ceeprom also available from URL http://arduino.cc/playground/Main/LibraryForI2CEEPROM
Please use example I2C_demo.pde