Questions tagged [read]

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Executing a page read

I am working for a few months on dumping the content of a certain NAND Flash. This is the first time that I am doing this so I needed some time to get a good idea of how this works. The NAND Flash ...
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2answers
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SRAM problem with reading the value I stored, “random” behavior

I've now spent quite a few hours of researching and trying to identify the error, but no luck for me. I'm making a very similar circuit to James Bates RAM video (schematic here: James Bates RAM ...
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1answer
166 views

read from uint32_t in flash is zero STM32F1

I am working on an STM32F103RBT6 program and at some point I need to store values in the FLASH. Writing in Flash is working as a charm, if I parse through the memory of my microcontroller, I see that ...
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1answer
64 views

Read the state from an LED in a MCP23017

I read already this 2 questions: Read state from LED in another circuit Read the state of a 12v illuminated switch from an Arduino Uno and I can read the state in a MCP23017 controlled by an ...
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52 views

Cannot read from RAM in Vhdl

Hi for some image processing purposes, I must read 12-bit color data of a pixel from Ram and display it on screen through VGA cable. However, my code does not read from Ram and all I see on the ...
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1answer
303 views

Reading from file in every rising edge of the clock in VHDL

Hi I am trying to read data from a file which contains 62500 lines of 12-bit binary numbers in order to instantiate my 2D array(sort of a RAM). However, my problem is that this process happens in one ...
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2answers
395 views

Reading measurements from an oscilloscope. Figuring out rise time

I have this picture (Sorry for the glare): The two verticle bars are a at 0.5v and b at 4.5v, or at least roughly at this spots. I need to get the rise time from 0.5v to 4.5v, but I don't understand ...
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1answer
356 views

Is it possible to read the memory from a Holtek HT46R064B OTP(!) chip?

I am trying to get data from a Holtek HT46R064B. I know that the Chip is an OTP (One-Time Programmable) Chip. I ask myself if it is possible to read some parts of its memory. In my case the chip is ...
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0answers
62 views

How to read all memory from damaged CF?

My CF card has been corrupted. I don't know how is that happened. I just using new card (five months old) on EOS 5D Mark II with installed ...
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0answers
237 views

AVR perform Checksum on itself

I would lije to perform a CRC or Checksum for the FLASH memory of my device, an AVR32UC3, this will be performed by blocks, so I'm thinking that the prototype can be: ...
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1answer
464 views

I get the same value, when read via i2c - stm32 + hih6030

I want to use my HIH6030 humidity and temperature sensor with my STM32F4 board, but I have the following problem: I turn my board on and start debugging. The first time when I try to read out it's ...
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1answer
73 views

Code protection in External flash

I am implementing external code execution for STM32F765VG with NOR flash (8/16 bit). The idea is to execute code from external flash memory. are there any ways to protect my code present in external ...