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acathla | Hi. The iCE40up5K says we can use the CDONE pin as a normal IO after configuration, but yosys complains : package does not have a pin named '7' (on TQFP144 package). | 14:17 |
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gatecat | I'm confused. ice40up5k doesn't have a tqfp144 package | 14:27 |
gatecat | and afaik it's not the ice40up5k that lets you use CDONE after configuration but another of the ice40 series - most don't let you | 14:28 |
acathla | Ah, sorry, the QFN package | 14:35 |
acathla | SG48 | 14:36 |
acathla | And the doc is the iCE40 UltraPlus family datasheet, page 41 | 14:37 |
tnt | That's only in some other package, not the SG48 | 14:39 |
tnt | Yeah in UWG30 | 14:40 |
tnt | CDONE is shared with IOB_13b | 14:40 |
tnt | but in SG48 it's a dedicated pin, not user controllable. | 14:40 |
tnt | (err IOB_12a sorry ...) | 14:41 |
acathla | The doc says : "In user mode, after configuration, this pin can be programmed as general I/O in user function. In 30-pin WLCSP, this pin connects to IOB_12a, which also is shared as global signal G4 in user mode" | 14:48 |
acathla | I thought WLCSP was just an exception | 14:49 |
tnt | And you thought wrong apparently. | 14:50 |
tnt | If you don't believe us, feel free to try in Radiant / icecube2 ... | 14:51 |
acathla | tnt, haha, I do believe you of course. I just had a little hope to get a new IO available :( | 14:54 |
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