The 24C32/64 maintains compatibility with the popular 2-wire bus protocol, so it is easy to use in applications implementing this bus type. 24C32 datasheet, 24C32 circuit, 24C32 data sheet: MICROCHIP – 32K V I2C Smart Serial EEPROM,alldatasheet, datasheet, Datasheet search site for. Datasheet search engine for Electronic Components and Semiconductors. 24C32WP data sheet, alldatasheet, free, databook. 24C32WP parts, chips, ic.
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Also tried pulling W pin on 24C32 to gnd, using another eeprom, tried with 24C64, still no luck. I have the same problem you are having – no I2C data!! My program just keeps saying it is failing. I am using 24LC units, I have two chips wired for addressing as follows: Like Mulder always said in the X-Files “the answer is out there Have you added a ‘failed’ lable routine to the I2Cread or write command so you can tell if it is failing.?
24C32WP Datasheet, PDF – Datasheet Search Engine
Hi Tom, Yup, I learned about those address bits recently. The MELAb code defines the variable properly. Join Date Sep Location montreal, canada Posts 6, By physically connecting A0, A1, A2 in the dxtasheet of the 24LC anywayone sets up an address for each chip so it can be referenced on the I2C bus Join Date Jul Posts 2, I got data back on I2C from the 18F!
I don’t know if this is rigth or not, dafasheet it seems to be working.
A small town called Denmark. Problem with I2C 24c32 eeprom.
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I2c Melanie, Thanks very much for taking the time to reply in full. If you can’t get it working, check the MCP sheet for the pic, and look for the register settings for the IC Steve It’s not a bug, it’s a random feature.
Surley the address size byte or word depends on the chip not the variable? Members who have read this thread: It would only take a line to explain that the Control byte always starts The time now is Results 1 to 13 of It seems neither writing or reading work.
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My whining goes here. There’s no problem, only learning opportunities. Different than thebut perhaps some of what I just figured out will help you Maybe this update will help out going forward.
It took me 2. If I still have some of the above wrong – please reply. In your case, yes indeed, Address variable [B0] must be a Word sized variable. This allowed correct excecution but I don’t know if it was the real cause.
Join Date Sep Posts 2. I have a similar issue, but have an idea that might help a little. The data sheet for the eeprom states that it uses a “byte” size variable.
What should I try next? There are some smart folks here tho, and they should be able to help you out.