whitequark,
@whitequark@mastodon.social avatar

looks at Lattice devboard dated 2019 why did they go back from micro-B to mini-B?!

what on earth would possess somebody to put a mini-B connector on a new devboard from 2019? did they run out of micro-B's and found a crate of mini-B's? did they get a kickback? so few options

kbity,

@whitequark you can buy a $1000+ devkit that's so new it's barely even released yet from them with mini-B still: https://www.latticesemi.com/Products/DevelopmentBoardsAndKits/Avant-E-Evaluation-Board

kbity,

@whitequark in fact, they're so proud of it, they'll even add it as an extra BOM line alongside the USB-C connector https://www.latticesemi.com/view_document?document_id=54169

rotopenguin,
@rotopenguin@mastodon.social avatar

@whitequark if you get a crate of mini-b connectors for next to nothing, you're going to find a place to use mini-b connectors.

foone,
@foone@digipres.club avatar

@whitequark all my fpga boards have mini b. It's annoying

chriscunningham,
@chriscunningham@mastodon.social avatar

@whitequark fun story: it is actually illegal to put a mini-b socket on any device which is not covered in that soft-touch rubber crap which disintegrates into a tar-like slime after three years

lunareclipse,

@chriscunningham @whitequark is this serious or sarcasm?

whitequark,
@whitequark@mastodon.social avatar

@lunareclipse @chriscunningham it is not serious

brouhaha,
@brouhaha@mastodon.social avatar

@whitequark
Mini-B, philosophically, must ipso facto Micro-not-B
[with no apologies to Monty Python]

I still have entirely too many things I still use that have the wretched Mini-B. I never can find an A to Mini-B cable when I need one. Sigh.

whitequark,
@whitequark@mastodon.social avatar

@brouhaha that devboard is actually how I have an USB IF certified mini-B cable

brouhaha,
@brouhaha@mastodon.social avatar

@whitequark The last time I needed a mini-B cable, I dug around in drawers and boxes until I finally found one. Then when I tried to plug it in, discovered that it wasn't, even though it looked identical. It won't actually fit any if four devices I tried it in.
The cable must have come with something that needed it, but I don't know what. If I threw the cable away, I'd immediately find out.

whitequark, (edited )
@whitequark@mastodon.social avatar

western silicon vendors will put the big type-B connector on their devboard before they'll put a type-C connector there

jpm,
@jpm@aus.social avatar

@whitequark but those two 5.1k resistors cost MONEY to put on! They’re like $0.0005 each!

jpm,
@jpm@aus.social avatar

@whitequark every silicon vendor remembers what happened when Broadcomm tried to optimize the USB-C design on the RasPi4, and they don’t want to make the same mistake and ship non-working USB-C ports

whitequark,
@whitequark@mastodon.social avatar

@jpm this isn't even end user hardware. they can deal with it

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