[sdiy] New SPI SRAM

[Eric Brombaugh]

Not just H7 - I'm working with parts across the range, including the F446.

Eric

On 07/16/2018 07:37 AM, KD KD wrote:
> The H7 devices? Are there issues with later F4's? I was just about to switch
> from SPI to Quad for a F446.  Octa SPI on its way..
> 
> 2018-07-15 23:44 GMT+02:00, Eric Brombaugh <ebrombaugh1 at cox.net>:
>> I started seeing references to QSPI PSRAMs in some of the embedded
>> development forums last year. At that time they were all coming out of
>> obscure fabless outfits in China who were keeping the data sheets under
>> NDA and not selling to anyone that wasn't in their treehouse. Nice to
>> see a big player like ISSI doing this - most of the STM32 that I'm using
>> now have solid QSPI ports and even allow memory mapping so it's
>> conceivable that dropping one of these little 8-pin parts in could
>> really open up the storage options.