3 ms·
In this particular case, the commonly-available FT232 clones supposedly worked better than the original - the bit banging mode actually worked reliably on the k
by makomk 5y ago
In this particular case, the commonly-available FT232 clones supposedly worked better than the original - the bit banging mode actually worked reliably on the knock-offs, whereas not so much on the actual FTDI chips. (The difference that FTDI used to brick the clones was that writing to the EEPROM one byte at a time, which wasn't allowed according to the datasheet, worked on the clones but not their own chips.)
- Syonyk 5y agoUnfortunately, the clones also weren't clock stable at all - they were fine at 115200 and such, but if you pushed them up to 3Mbaud or so, they mostly read/wrote garbage. I put a few of them on a good scope and the timing was just all over the place. The legit FTDIs are rock solid on their timing even up at high baud rates. So I got some legit chips and just did the surface mount rework to replace the fakes with the legit ones and solved my problem. I had no idea when I got the adapters that they had fake chips on them. :/
- marcan_42 5y agoBit bang mode is the opposite. The clones work fine. The legit ones don't work at all (completely random timing) except at 3Mbaud (the official workaround), but at that speed you can't keep the buffer fed via USB so it's useless. https://twitter.com/marcan42/status/695292366639378433?s=19 https://twitter.com/marcan42/status/695292366639378433?s=19