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Author Topic: EnterMice (Joy & PS/2 mouse interface) (Read 79872 times)

Offline lgb

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #390 on: 2015.November.28. 15:19:38 »
So far, despite the heavy tests of EnterMice, none CPLD wasn't damaged during operation.
It is known that can always happen accident.
Single piece of XC9572 are readily available.
It is more difficult to buy them in large quantities at a good price.

I was looking for CPLD chips from other manufacturers, but Xilinx is the cheapest.
Additionally, it has a free design software.

Interesting, I always thought that Xilinx is expensive :) but maybe it's true for FPGAs and not CPLDs. Eg low-end older FPGAs seems to be cheaper at Altera. What kind of software did you mean? ISE "webpack" stuff? I thought that Altera also has free software, something with "Q" sorry I can't remember the name, maybe Quartus, or what it was. I don't know if it's "free" anyway. But I don't know CPLDs too much so it's better to shut my mouth up :) I am more in planning start to work with FPGAs. Just I always to love to hear information on CPLDs, FPGAs from others, in the hope that it can help me to start to work with them in the (far? ....) future :) That's why I've asked only. Thanks.

Online Zozosoft

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #391 on: 2015.November.28. 21:27:28 »
Recently, I have also noticed a negative trend of selling untested hardware by Chinese sellers on ebay.
After many experience with Chinese IC sellers I think: exist a big chinese factories which are buy tons of electronic waste. Remove the ICs from old PCBs and refurbishing these.
The problem: not sell these as used, refurbished and untested components with their original label.
Make a fake new chips: remove the old labels, print a new one (with a best of the current type parameters), polish the pins, and sell as brand new.

Some examples:
-I bought 10 pcs 20MHz CMOS Z80 CPU. Tested on 10MHz, only one worked. Another ones are old slow NMOS CPUs. After reclamation the seller send another 10 CPU. Summary of the 20: 3 total dead, 16 are NMOS, and works at max 8MHz, only one are CMOS and works on 10MHz.
-4xWD1772PH 02-02. Real type are WD1772PH 00-02 (can't overclocked to 16MHz for HD disks)
-5xAMD 29F040. Realy type Macronix 29F040
-4x27C256-70. Real manufacturer are different than the labeled. Access time too slow, probably only -150. One are dead.
-2x27C160, one are dead

If you want a relaible components then buy from TME, Mouser or other similar reliable companies. But these not too cheap...
Buying from China are lottery game...

Online Zozosoft

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #392 on: 2015.November.28. 21:29:46 »
In this case, it was clearly used chips (programmed and locked before reading).
Certainly wasn't new.
Don't possible make a full erase on them? In my programmer have a separate Erase option.

Offline lgb

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #393 on: 2015.November.28. 22:05:16 »
Don't possible make a full erase on them? In my programmer have a separate Erase option.

I just guess here, that he meant: he could erase and re-program them, just it was a sign that they were not _new_ but used before ... If I correctly got the point ...
« Last Edit: 2015.November.28. 22:08:37 by lgb »

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #394 on: 2015.November.28. 22:09:33 »
If you want a relaible components then buy from TME, Mouser or other similar reliable companies. But these not too cheap...
Buying from China are lottery game...
Unfortunately, not everything can get in TME. Especially if you do not have the latest components. So is the lottery ...
Don't possible make a full erase on them? In my programmer have a separate Erase option.
Yes, it is Erase option. Except that from 4 macro cells, for example, you can erase only two, and the other is damaged.

Online Zozosoft

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #395 on: 2015.November.28. 22:22:27 »
Xilinx manual: "The device supports a read security feature which protects the design from being copied. A
secured device may still be erased and reprogrammed."

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #396 on: 2015.November.29. 08:49:21 »
I understand it. The programmer is able to erase chips.
However, if you are damaged chip, it can no longer be entirely erased.
Just that one macrocell is damaged and can not be such a chip reprogrammed.
I even tried to optimize the JEDEC file to not use damaged macrocells, but because I use all the pins in this chip, it did not manage to do it.

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #397 on: 2015.November.30. 17:39:58 »
Refreshed delivery status
Mobsie, did you received information on PM ?
Only your interfaces are waiting for shipment.
If you resign the order, there are others willing.
Answer me, what do I do ?

In the way another 30 pieces of PCB.
They should arrive within three weeks.
They will be ready early in the new year.
« Last Edit: 2015.November.30. 18:20:44 by pear »

Offline gflorez

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #398 on: 2015.November.30. 17:51:08 »
May be somebody knows his email address? I know it is confidential, but the admin can contact him...

Offline edoz

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #399 on: 2015.December.01. 19:18:16 »
Wow ! That sounds like a nice device! Are they still available ? And what is the price ?
Thanks!
Have fun with the Z80!

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #400 on: 2015.December.01. 19:26:19 »
These types of questions, please send me as PM.

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #401 on: 2015.December.01. 21:06:41 »
The initial list of reservations for the second batch:
1x gflorez
2x Prodatron
1x ssr86
1x Trefe
1x sanyike
1x geco
1x endi
2x Jolaes76
1x edoz

Is someone missed ? There are still 19 20 pieces.
« Last Edit: 2015.December.01. 21:20:15 by pear »

Offline endi

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #402 on: 2015.December.01. 21:18:06 »
endi???
I dont want any hardware. I use only emulator :)
Vigyázat! Szektás vagyok! :)

Offline pear

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #403 on: 2015.December.01. 21:19:54 »
Perhaps the translator me badly translated from Hungarian.
I deleted :)

Online Zozosoft

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Re: EnterMice (Joy & PS/2 mouse interface)
« Reply #404 on: 2015.December.01. 21:24:22 »
Is someone missed ? There are still 19 20 pieces.
One special version for me. (For Model 911 prototype.)