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There are original new 24c16 suppliers, mainly located in Asia. All goods are from original factory, and we provide warranty for all the goods from us. Table 3. Table 4. The SCL input signal is used to synchronise all data in and out of the memory. A resistor can be connected from the SCL line act as a pull up Table 5.
Figure 5. Figure 7. Write Protection. Data in the upper four blocks of bytes of the memory may be write protected. The memory is write protected between a boundary address and the top of memory address 7FFh. The boundary address is user defined by Four bit mask on an 11 bit address? I would suggest you try the Christensen library referenced in post 5.
It is available through the library manger. Library on top of library? That is what I hate the most. The more layers of obfuscation, the more meaningless complexities will arise.
As expected, Christensen's library did not work. Maybe I used it wrong, but that is why now I need to study Christensen's code to determine what went wrong The 24C16 is 16kb 2Kx The only reason to use an external eeprom library is to handle the page boundaries on the block writes. If you write one byte at a time, or if you limit the block writes to 4 bytes and start the writes at a register address evenly dividable by four you never need to worry about page boundaries.
Have you run the basic i2c scanner sketch to check if your device is seen on the bus with the wire library. That code did the trick. Using Arduino Storage. No checking is done in this function. Thanks a lot for your info. I was going ape with libraries, intended for bigger eproms. Added multi page write. Alberto Thx for sharing the code. The 1K, 2K, 4K, 8K and 16K EEPROM devices all require an 8-bit device address word following a start condition to enable the chip for a read or write operation The 16K does not use any device address bits but instead the 3 bits are used for memory page addressing.
TL:DR: Why doesn't anything make sense?
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