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128K EEPROM writing fail
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128K EEPROM writing fail

hcshin posted on 10 Nov 2011 3:42 AM PST
Senior Member
14 Forum Posts

During I2C EEPROM writing in control center, fail message displayed.

I tried both Atmel and Microchip.

It seems to be not written data to 2nd page of EEPROM.

Has anybody tried this?

 

Re: 128K EEPROM writing fail

aasi posted on 10 Nov 2011 06:08 PM PST
Cypress Employee
1073 Forum Posts

 Hi,

What are the EEPROM part numbers you are using?

Regards,

Anand

Re: 128K EEPROM writing fail

hcshin posted on 11 Nov 2011 11:56 PM PST
Senior Member
14 Forum Posts

Hi,

I'm using Microchip's 24FC1025 and Atmel's AT24C1024B

 

Re: 128K EEPROM writing fail

aasi posted on 18 Nov 2011 04:34 AM PST
Cypress Employee
1073 Forum Posts

That is strange

24FC1025 is used in our board and works fine. Please let me know how you found that the 2nd page is not getting written to.

Which firmware are you programming onto the EEPROM and what is its size?

Regards,

Anand

Re: 128K EEPROM writing fail

hcshin posted on 19 Nov 2011 10:34 PM PST
Senior Member
14 Forum Posts

Dear Anand,

After a failure message displayed, I checked EEPROM contents via inserting EEPROM read routine in my fiwmware.

The first 64KB block is well written, but the second 64KB block isn't written at all. microchip's and atmel's have same result.

So I wrote firmware writing Application and FX3 firmware, It works well both in case of  writing and EEPROM booting.

My firmware image size is about 125KB.

 

Regards,

HC

Re: 128K EEPROM writing fail

aasi posted on 23 Nov 2011 02:06 AM PST
Cypress Employee
1073 Forum Posts

For the Atmel EEPROM the I2C address being addressed has to be changed to program the 2nd page. This is currently not supported. The release version will support this. Can you please double-check the microchip eeprom usage because you shouldn't be facing any issues with it.

Regards,

Anand

 



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