Questions tagged [non-volatile-memory]
Memory which maintains it's value through power cycles.
117
questions
0
votes
1answer
230 views
What is the Global Descriptor Table memory type?
What type of memory type is used for the Global Descriptor Table in an Intel Core 2 CPU?
Is it just EEPROM or does the CPU normally use another type of NVRAM?
2
votes
2answers
274 views
High capacity flash memory
I'm trying to find a suitable high capacity (4-16GB) memory for an embedded application. Clearly this is going to be some kind of NAND flash memory. I need to be able to write to it at at least 16....
2
votes
2answers
5k views
Differences, uses, and theory of volatile and nonvolatile memory?
I understand the basics of volatile and nonvolatile memory. Volatile memory requires a constant power supply to retain data whereas non-volatile memory does not require a constant power supply to ...
1
vote
1answer
2k views
How data 0xFF is stored in Flash memory?
Hi i am using SST25VF032B flash memory. Before writing ,it has to be erased to 0xFF. But my doubt is that how it stores real 0xFF. Will is store 0xFF or some other value?
11
votes
7answers
16k views
I2C slave address not acknowledged (sometimes)
I'm trying to communicate with a remotely connected FRAM (FM24C04 from Ramtron) by using I2C. This memory is embedded on a board that can be inserted and removed at any time to/from the system (...
2
votes
1answer
912 views
Some general NAND flash questions
I have some questions about nand memories.
Do we need to erase whole block to rewrite only one page?
If true, what is the algorithm? Cache whole block > edit one page > erase whole block > write ...
1
vote
1answer
68 views
NVSRAM - Storage Capacitor Selection
I was reading this document from cypress website on Various storage capacitor options for nvSRAM. In page 2 , under the heading 'key characteristics' (see link below), I came across various values for ...
0
votes
1answer
827 views
About leakage current, standby current and current budgeting
Am using ST microelectronics NAND Flash device NAND01GW3A0AN6E.
In this datasheet under Dc characteristics table they specified leakage current,standby current,operating current parameters.
What is ...
9
votes
7answers
3k views
Alternatives to using EEPROM
As I understand it, EEPROM is a part of a computer (in my case, an AVR microcontroller) which stores data, and holds on to it even when the device completely shuts down. It allows data to be written ...
34
votes
4answers
12k views
What's the catch with FRAM?
After recently acquiring an MSP430 Launchpad I've been playing with various microcontroller projects. Unfortunately, the MSP430G2553 only has 512 bytes of RAM, so doing anything complex requires ...
1
vote
1answer
412 views
How to erase stored data in MRAM memory devices
When searching in Google about MRAM I was only able to find the reading and writing process for MRAM. How does erasing happen in MRAM? Also why there is no need of error correction and checking ...
3
votes
3answers
2k views
Serial NOR Flash - Vague
What are the structural differences between Serial NOR Flash and Parallel NOR Flash? If there is a structural difference , then What are the differences between Serial NOR Flash and Serial NAND Flash?
...
5
votes
2answers
5k views
How to store audio data for AVR project?
I see a lot of projects for AVR-based audio players that use an SD card to store the audio data.
In fact, I am currently doing the very same thing on an Arduino and its Wave Shield, which has an SD ...
2
votes
2answers
714 views
Flash memory slower than magnetic disk [closed]
If flash memory is slower than magnetic disk, how can SSDs be faster than magnetic HDDs?
Flash memory (such as USB thumb drives) is a specific type of EEPROM, used for
small portable disk drives. ...
2
votes
2answers
193 views
Non-Volatile Serial Memory Chip
I need a non-voltile serial memory chip that I can clock random bits(about 500 bits) into one at a time by hand using toggle switch to clock them in . This stored bitstream is then clocked out at 20K ...
-2
votes
2answers
339 views
What is the exact industry-standard programming protocol used for writing bits to a Flash memory device? [closed]
I have come across a Program & Verify technique. But I am unsure if that's how data is written to Flash memories in practice. I need a detailed specific protocol, preferably with the relevant ...
10
votes
5answers
2k views
Frequent Write to Non-volatile Memory
I am designing a device that automatically adjusts it's physical position as temperature changes. If the device it shut off or power is disconnected the device needs to remember it's last temperature ...
