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https://github.com/swharden/ftflash

A tool for reading and writing data in SPI flash memory chips using a FT232H
https://github.com/swharden/ftflash

embedded flash ft232h microcontroller spi

Last synced: 3 months ago
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A tool for reading and writing data in SPI flash memory chips using a FT232H

Host: GitHub
URL: https://github.com/swharden/ftflash
Owner: swharden
License: mit
Created: 2023-08-23T21:46:48.000Z (over 1 year ago)
Default Branch: main
Last Pushed: 2024-11-05T00:05:05.000Z (3 months ago)
Last Synced: 2024-11-05T01:16:49.808Z (3 months ago)
Topics: embedded, flash, ft232h, microcontroller, spi
Language: C#
Homepage: https://swharden.com/blog/2023-08-24-ft232h-spi-flash/
Size: 4 MB
Stars: 12
Watchers: 2
Forks: 3
Open Issues: 0
Metadata Files:
- Readme: readme.md
- License: LICENSE

Awesome Lists containing this project

README

        # FTFlash

**FTFlash is a Windows application for reading and writing FLASH memory in SPI chips using a FT232H.** A voltage regulator is required to step 5V down to 3.3V, but otherwise no external components are required. FTFlash allows for manual inspection of device information and reading/writing individual memory addresses as well as dumping/programming the entire memory to/from binary files on disk.

### Wiring

![](dev/wiring/wiring.png)

![](dev/wiring/breadboard.jpg)

The photo of my breadboard shows a 0.1 µF decoupling capacitor to ground placed the the 3.3V line next to the regulator. It's probably not mandatory, but is a good idea to include on the output rail of linear voltage regulators to smooth out high frequency noise on the the supply line.

### Device and Memory Inspection

![](dev/screenshot.png)

### Full Chip Read/Write

![](dev/screenshot2.png)

## Download FTFlash

* FTFlash.zip can be downloaded from the [Releases page](https://github.com/swharden/FTFlash/releases/)

## Resources

* [FtdiSharp](https://github.com/swharden/FtdiSharp)

* [W25Q32 Datasheet](https://www.elinux.org/images/f/f5/Winbond-w25q32.pdf)

* [FT232H Breakout Board](https://www.adafruit.com/product/2264) (Adafruit) has 3.3V built in and USBC

* [FT232H Breakout Board](https://www.amazon.com/dp/B09KGT5TGJ/) (Amazon) is cheaper with Prime shipping but has a less convenient PCB layout and silkscreen