View M25P64 datasheet from Micron Technology Inc. at Digikey. M25PVME6TG TR Micron Technology Inc. | M25PVME6TGCT-ND Digi- Key Part Number, M25PVME6TGCT-ND HTML Datasheet, M25P M25P64 64Mbit, Low Voltage, Serial Flash Memory With 50 MHz SPI Bus Interface 64Mbit of Flash Memory Page Program (up to Bytes) in ms ( typical).
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Does the MSP read that value or a different one? As Austin said, “flash” is not byte erasable, m255p64 if already erased, it is byte writable for “NOR”. Non-volatile memory that is byte erasable. This Wikipedia page explains flash memory fairly well. It’s the definitive way to be sure. So my question is “Is the response I have obtained is it right? When I remove sector erasing at the start of this example code, software stops writing to SPI.
Is this a new piece of SPI code?
Is the response I have obtained is it right? I can use Impact to write and read the code successfully, it works great.
ST Microelectronics – datasheet pdf
Sign up or log in Sign up using Google. I did require that before you write new data, you need to erase the old data once programmed, dqtasheet can not be made back to a ‘1’: Datazheet helps you quickly narrow down your search results by suggesting possible matches as you type.
I read the datasheet as well, but I couldnt find a solution for automatic erasing only the data I overwrite. The reason for that is the device ID will never change, whereas the status register might change although that depends on the device.
Did you remember to send a dummy byte after the RDSR command so that the device would send the status register value? There is no single byte erase. Sign up using Facebook.
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M25PVMF6P | STMICROELECTRONICS | DATASHEET
Post as a guest Name. I mean, it seems like to write anything to SPI, I need to start sector erase first, which I don’t want. You are sometimes better first of all trying to read the device ID rather than the status register for a new piece of code. Things to check since you have not provided any information:. So if you don’t need to overwrite data, you should be able to do byte writes.