A500 TF520 Small + IDE68K MIX (NOT TESTED)
I think there is no theoretical impediment to the two things working in one board, so the only work I did is a small size rooting and mixing the two project.
I did it because I needed a small size accelerator an there was enough space left for the IDE part.
It is NOT TESTED!!!
Please do not harass the original inventors with questions.
I will test and post the result here.
IDE68K part:
The schematics and the firmware part is not my own work.
The original schematic I used for redraw is from:
http://info.mkl211015.altervista.org/ide/ide68k.html
...so You can use the original CPLD program code to make it work.(it is in the .zip)
IDE68K part emulates the internal IDE-interface of Amiga 600.
Autoboot with KS2.05 (V37.300) or above.
KS2.05 V37.299 or older roms need scsi.device.
You can add 5v (VCC,GND) from the boad to a CFcard but that is not allways enough.
TF520r3:
The schematics and the firmware part is not my own work.
The original schematic I used for redraw is from:
https://github.com/FreyaAmiga/tf520
The only work I did here is a small size rooting.
A500 TF520 Small + IDE68K MIX (NOT TESTED)
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Sorry. I have boards but I do not had the time to build and test, lately. I have this same small TF520 without the ide part and it shows "signs of life" but it is unstabe (boot and freeze in 7mhz).... so I have to modify and change the gerber. Till... it is a free to download and modify.
I build your project(TF520 part for now) and its working on 25MHz with last xilinx jed file from terriblefiretf520r3_2018_10_29_untested.zip But not working on 7MHz(I don't know why).
Which version of ide did you use(there is many of them on ide68k site)?
1. Thank You for being so brave because I do not had the time to test it further. 2. I also made it work only so far. The ide part is working too but in my case it made it unstable Sometimes it can not even reach to boot screen... black screen CPU failure? or die later in WB boot. 3. 7mhz worked in a different prev. board (it was without the ide part) . In that case I used a direct wire from CPU pin15(7mhz) to the jumper and left the 74LVC1G17DBV part out of the buisness. I used a 14 mhz CPU so I do not know what will happen butt I think these old cpu-s are not so sensitive. I put the relevant ide68K jed files in the zip file and replaced it (please download).
I've got fully working version of this board. Yesterday xilinx 9572 was installed and programmed. For now everything seems to be ok. On sysinfo DH0 speed is 783,298. I think it's quite good :) I don't have any fast ram so processor work like normal 68000 but I will borrow memory from my friend and then will check everything once again.
I made 6 pieces of TF530 to realize that my CPU socket is damaged, so Thank You for the Good news :) It is possible that the instability in my part was because of that. Now I have to wait for my replacement and test. I have a ram68k from the same site as the IDE part (http://www.mkl211015.altervista.org/ram68k/) and they are working together with the ide part but I couldn't test with the tf520. I hope the ram will work with the tf520 otherwise, the 020 doesn't make much sense :/ Good luck.