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1 vote

How to restore the charge of a floating gate?

No, reading will not refresh the cell. The parts have a limited number of writes; if you write too often, you will wear the part out. For long life under severe conditions, some people recommend ...
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3 votes
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Microcontroller, Flash EPROM and RAM combination questions

What kind of memory do I need to use in this project beside the MCU and how do I set it up? You need external non-volatile memory of a type that the MCU can interface to for reading. Some method of ...
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2 votes
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Can't write STM32 Flash with 8 bits

The flash hardware is built so that it writes 16 bits at a time, presumably with no option to write more or fewer. The processor hardware is built so that it knows how wide a write is being requested, ...
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1 vote
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External SPI Flash Global Unprotect

The problem was related to the protection state of the flash. So every time I need to execute a global unprotect execution after waking up from deep sleep mode. Otherwise, write or read commands are ...
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0 votes

External SPI Flash Global Unprotect

Search the datasheet for WEL (Write Enable Latch) behavior. Apparently some of the requirements for write transactions are violated at some point in your sw. Not only you must send a complete ...
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  • 141
4 votes
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Purpose of unused signal/vias

<I realized my “comment” was more like an “answer” so providing it here as an answer in hopes it will be accepted and this doesn’t come back as an annoying zombie “community bot” re-post in five ...
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