Dumping Firmware With the CH341a Programmer | by Rick Wisser 


Note: This blog will also be a lab for any of the upcoming Wild West Hackin’ Fest Conferences. During a recent engagement, I came across an issue. The issue I encountered was that the SPI chip I was trying to dump the firmware off of was a 1.8v chip. This would not have been a problem but both the shikra and bus pirate are rated for 3.3v chips. I considered creating a voltage divider to step the voltage down but after a little Googling, I came across the CH341a with the 1.8v adapter. I decided to order it with one-day shipping. After I worked with it and was able to successfully dump the firmware from the 1.8v IC without having to remove the SPI chip from the circuit board, I decided to write a blog about it. This blog is targeted for all audiences. It might be a little too....

February 20, 2020
Notify of
Inline Feedbacks
View all comments
© HAKIN9 MEDIA SP. Z O.O. SP. K. 2023
What certifications or qualifications do you hold?
Max. file size: 150 MB.
What level of experience should the ideal candidate have?
What certifications or qualifications are preferred?

Download Free eBook

Step 1 of 4


We’re committed to your privacy. Hakin9 uses the information you provide to us to contact you about our relevant content, products, and services. You may unsubscribe from these communications at any time. For more information, check out our Privacy Policy.