Open source CY7C68013A 8-channel logic analyzer

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Open source CY7C68013A 8-channel logic analyzer [Copy link]

 

A guide to avoid pitfalls when the logic analyzer sampling rate fails to reach 24MHz and prompts to reduce the speed (see 27th floor)

Burning firmware

CAT24C02_SaleaLogic.bin (256 Bytes, downloads: 204)

2020-5-20 10:53 上传

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Download the host computer

https://downloads.saleae.com/logic/1.2.18/Logic%20Setup%201.2.18.exe

Project files (LCEDA has open source)

Schematic_CY7C68013A-56LTXI 8CH SaleaLogic_3225_4p_2020-05-20_09-53-58.pdf (120.17 KB, downloads: 215)

2020-5-20 10:50 上传

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Gerber_CY7C68013A-56LTXI 8CH SaleaLogic.zip (81.57 KB, downloads: 171)

2020-5-20 10:50 上传

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阅读权限: 5

wsmysyn

I have a special feeling when I see 68013

I have been tortured by this thing for several years, and I still have a trauma. It's not because it was so painful to develop it, but for some other reasons.

lqsgg

Thanks for sharing! Learn more!

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wsmysyn posted on 2020-5-20 11:40 I have a special feeling when I see 68013. I have been tortured by this thing for several years and have a trauma. It’s not that developing it is so painful, but some other things...

What did you do with him?

wsmysyn

Posted by Knocking Code All Night on 2020-5-21 10:34 What did you do with it

Use it for reverse analysis

The previous company made D version chips, you know,

When a customer encounters a problem, I am half a FAE, and the other party is also using version D of someone else's product, and I have no debugging ability, so I just put out fires everywhere.

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wsmysyn posted on 2020-5-21 11:07 Used for reverse analysis. My previous company made D version chips. You know, when customers encounter problems, half of the FAE, the other party...

Fire-fighting hero, hahahaha

wsmysyn

Posted by Knocking Code All Night on 2020-5-21 14:29 Fire-fighting hero, hahahaha

This doesn’t feel good at all, because it’s not a simple fae either, I won’t go into the details here.

Many problems are not easy to solve on site. They all need to be taken back for analysis, from hardware peripheral design, hardware firmware, to host computer software and drivers; if there is source code, read the source code, if there is no source code, you can only reverse analyze, disassemble, capture packets, etc.

By the day I left, the chip had been upgraded to five or six versions. It took a lot of time and money, but it still couldn’t be 100% directly replaced. If an abnormality occurred, the firmware still needed to be modified to avoid it. In the end, no one did the upgrade and iteration. Some customers could use it without any problems, but that was it. . .

不足论

I am also learning about this chip

kinto

wsmysyn posted on 2020-5-21 15:08 This doesn't feel good at all, because it's not a simple fae, I won't go into details here. Many problems are not easy to solve on the spot. They all have to...

You sell your chips, why do you pirate other people's codes? If it's not you who will be tired?

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Insufficiency theory was published on 2020-5-21 15:51 I am also learning about this chip

This chip is very old.

wsmysyn

kinto posted on 2020-5-22 20:19 You sell your chips, why do you pirate other people's code? If you don't tire yourself out, who else will be tired?

You can only ask your boss about this. This is the market, because it is profitable, it can achieve more than 95% of the functions, and the cost is only 1/3 of the market price.

Many customers' products are also copies of others, hurting each other.

wsmysyn

Posted by Knocking Code All Night on 2020-5-23 00:39 This chip is very old

It is indeed very old, especially the sp56 package. There are almost no sop packages with so many pins in China. The size is too large.

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wsmysyn posted on 2020-5-23 12:26 It is indeed very old, especially the sp56 package. There are almost no sop packages with so many pins in China. The volume is too large.

Yes, so I directly chose the QFN package, which is much smaller.

wsmysyn

Posted by Typing Code All Night on 2020-5-28 12:21 Yes, so I directly chose the QFN package, which is much smaller in size

Well, qfn is much smaller. I used to have half a tray of original qfn56, which cost several hundred pieces and more than ten yuan each. It was a lot of money. When I left, I took more than ten pieces and kept them for myself to play with.

wsmysyn

Posted by Typing Code All Night on 2020-5-28 12:21 Yes, so I directly chose the QFN package, which is much smaller in size

There is also bga56, which is smaller, but the welding will be more troublesome

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wsmysyn posted on 2020-5-28 13:42 Well, qfn is much smaller. I used to have half a tray of original qfn56, hundreds of them, more than ten yuan each, a lot of money. Later when I left, I took more than a dozen and kept them...

This is really unfair of you. Share it now, or I will report you.

wsmysyn

Posted by Typing Code All Night on 2020-5-29 08:35 This is not authentic, share it quickly, or I will report you

The company produced a lot of them, and they are usable. More than 95% of the functions are fine. I forgot to take a few disks away and no one cared. They are all for testing.

The problematic versions may be kept as souvenirs by them. There are more of them.

我爱下载

Learn about it. I have recently seen several people using this solution.

jack4103

Thanks for sharing!

hxqqqqqq

Can you create a WeChat group or give me a WeChat ID? I am working on this and want to support I2C, UART, SPI, etc. I hope everyone can add WeChat so that we can discuss and communicate more directly. WX: 13556178890