--- crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68
On Mon, Apr 17, 2017 at 11:05 AM, GaCuest <gacu...@gmail.com> wrote: > El 17 de abril de 2017 a las 8:57:41, Luke Kenneth Casson Leighton > (l...@lkcl.net) escribió: >> --- >> crowd-funded eco-conscious hardware: https://www.crowdsupply.com/eoma68 >> >> >> On Mon, Apr 17, 2017 at 12:23 AM, GaCuest wrote: >> >> > I think the idea that a cell phone can work without EOMA68 >> > (for basic functions) is a very good idea, but is it difficult to do? >> > I want to say because you have to do many things 2 times to >> > be able to work with EOMA68 and without EOMA68. >> > >> > On the other hand, is the STM32F072 capable of handling >> > the audio with good quality? >> >> not really.... :) ok if you're expecting 48khz 24-bit stereo then >> forget it. 12 to 14-bit 16khz ... no problem. GSM is waaay below >> that anyway. >> > > I mean it is difficult in the sense that you have to provide power > to EOMA68 and to STM32 separately, not difficult at all: STM32 receives 3.3v regulated power (permanently), Card slot receives power under the control of the STM32. exactly like in the laptop. > so that only the > STM32 or the EOMA68 can work when you want. why would the power need to be mutually exclusive? the STM32 is low-power enough to be left permanently on, and can be suspended to ultra-low-power sleep state on demand. > Why not use the STM32F072 for audio on the laptop? not good enough dynamic range and quality, and it is still necessary to have a amplifier. i tried doing audio on an STM32F103RBT6 - i learned that it would not be enough. i *almost* managed it though. l. _______________________________________________ arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netb...@files.phcomp.co.uk