I haven't totally gotten my I2C (LPC2148) to work with my RAMTRON serial RAM yet. All the status' look good on both writing and reading to RAM, but still get 0xA1 after I write a 0x77. However, I noticed that even if I have no power on my RAM and no SDA and SCK lines connected, all the status' are exactly the same and the data is still 0xA1. It seems as though if the RAM weren't responding at all, you shouldn't get valid codes. And, I have my ACKs turned on! Any ideas? Sutton
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I2C
2006-03-10 by Sutton Mehaffey
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