3 ms·
Are you gated on PCB real estate, or cost? 8 megabits of QSPI is under 50 cents. I really don't care that it's external if the entire chipset is under 2 bucks.
by joezydeco 2y ago
Are you gated on PCB real estate, or cost? 8 megabits of QSPI is under 50 cents. I really don't care that it's external if the entire chipset is under 2 bucks.
- the__alchemist 2y agoNot the OP, but I'll say, whenever designing a fresh board, this sort of convenience built-in is nice. Individually, it's not a huge deal, but when you start adding things that are sometimes built in (external crystal vice internal? flash? PDs on USB or a bus?), you appreciate when it's one less component to allow spacing for, that might be out of stock at a given order etc. Also note that QSPI flash has a number of connections, you have to check the datasheet etc to know what to wire where, if you are changing MCU footprint you have to re-wire it each design etc.
- jcalvinowens 2y agoExactly this, it's just another thing to deal with and I save a little time by not having to.
- joezydeco 2y agoI'd agree with most of those points, but in my decades of experience here...YAGNI.
- 15155 2y agoQSPI NOR flash pins are labeled basically the same on every single MCU, routed using the same guidelines, etc. DFN-8 ICs take up 2x3mm and take 30 seconds to route.