Content originally posted in LPCWare by madhu kumar on Thu Dec 03 04:41:09 MST 2015hi ,AT24C02D device detected, 0x50 indicated eeprom slave address and 0x49 indicated lm75a, digital temperature senor read ok but EEPROM device write and read not ok is not matching as shows below following test resultwhat i did mistake please tell me Select I2C device [0 or 1 or 2] : 1**************** I2C Demo Menu ****************0: Exit Demo1: Select I2C peripheral [I2C2]2: Toggle mode POLLING/INTERRUPT [INTERRUPT]3: Probe for Slave devices4: Read slave data5: Write slave data6: Write/Read slave dataSelect an option [0 - 6] :3Probing available I2C devices... 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F====================================================00 -- -- -- -- -- -- -- --01 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --02 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --03 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --04 -- -- -- -- -- -- -- -- -- 49 -- -- -- -- -- --05 50 -- -- -- -- -- -- -- -- -- -- -- -- -- -- --06 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --07 -- -- -- -- -- -- -- -- -- Select an option [0 - 6] :5Enter 7-Bit Slave address : 0x50Enter number of bytes to write : 101:Enter Data: 0x102:Enter Data: 0x203:Enter Data: 0x304:Enter Data: 0x405:Enter Data: 0x506:Enter Data: 0x607:Enter Data: 0x708:Enter Data: 0x809:Enter Data: 0x99 10:Enter Data: 0xaaWritten 10 bytes of data to slave 0x50.**************** I2C Demo Menu ****************0: Exit Demo1: Select I2C peripheral [I2C2]2: Toggle mode POLLING/INTERRUPT [INTERRUPT]3: Probe for Slave devices4: Read slave data5: Write slave data6: Write/Read slave dataSelect an option [0 - 6] :4Enter 7-Bit Slave address : 0x50Enter number of bytes to read : 10Read 10 bytes of data from slave 0x50.*xfer.rxBuff : 30*xfer.rxBuff : 40*xfer.rxBuff : 50*xfer.rxBuff : 60*xfer.rxBuff : 70*xfer.rxBuff : 80*xfer.rxBuff : 90*xfer.rxBuff : 44*xfer.rxBuff : ff*xfer.rxBuff : 1b00: 30 40 50 60 70 80 90 44 FF 1B**************** I2C Demo Menu ****************0: Exit Demo1: Select I2C peripheral [I2C2]2: Toggle mode POLLING/INTERRUPT [INTERRUPT]3: Probe for Slave devices4: Read slave data5: Write slave data6: Write/Read slave dataSelect an option [0 - 6] :Original Attachment has been moved to: EEPROM.txt.zip