I2C problem

 I2C problem

hi all,

I have some starting problem for the I2C coding in LPC2103,Could ay body help me with this.I need to configure the I2C in master mode.

I have configured the P0.2 & P0.3 for I2c and i have understood the sequence for the Tx & Rx.my problem is regarding the data Rx&TX.Initially if i want to send data to the (eg:)EEPROM ,Where do i put the data(which register??) and same case while reading also ,Where do i get the data which is send by the EEPROM.

It may be unwise question,But i am not able to move ahead by reading the data sheet. Could any body help me for the communication data Tx&RX.It will be help ful for me if you can give link for the app-note and ex-code regarding this

Thanks,
Paul

 RE: I2C problem

I haven't checked specifically for the LPC2103, but for most chips, NXP has a zip file containing a lot of example code for all devices. Have you visited the product page and looked for the available info?

 RE: I2C problem

hello,

Thanks i have checked it ,Except the register reading and writing it is not specifying any thing more, i mean nothing about program flow

 RE: i am not able to move ahead by reading the data sheet

I don't know if it's also true of their ARM parts, but NXP tend to have both a Data Sheet and a User Manual for their '51 derivatives - and you need to read both of them...

Are there really no application notes, and no examples?!

 RE: i am not able to move ahead by reading the data sheet

Neil ,

I had gone through the websites again ,I found my answer ,in the user mannual they specified the details of the I2C communication . Now i started writing the code .

I was following same way of finding the Deails, which i did for ADSP and Micochip Ic's .

thanks alot for the help ,

Thanks,
Paul

PS:
If any body wanted to get the Appnote and Examples for LPC2103 -Find the link below (NXP site)

http://www.nxp.com/#/pip/cb=type=product,path=50809/45993/45994,final=LPC2101_02_03_1]|pip=[pip=LPC2101_02_03_1][0]

 LPC2101/2/3 - Easier Link for the Product Info Page (PIP)

Well, NXP have really messed-up their website to give stupid URLs like that!

However, if you click http://www.nxp.com/pip/LPC2101_02_03_1.html you will still end up in the same place!

:-)

 RE: LPC2101/2/3 - Easier Link for the Product Info Page (PIP)

NXP likes to place watered down summary information in their data sheets, and call the real document User Manual. It is quite nonintuitive, with a data sheet that often doesn't even mention the power consumption of a chip...