[chbot] SRAM with auto addressing

[Charles Manning]

I'm playing around with FPGAs right now and applying the "when you've got a
hammer, everything looks like a nail" approach, an FPGA + regular DDR gives
you all that. A few Gbytes/sec easy.




On Tue, Nov 14, 2017 at 2:06 PM, Mark Atherton <markaren1 at xtra.co.nz> wrote:

> 23K256 (and family) in page mode ?
>
> http://ww1.microchip.com/downloads/en/DeviceDoc/22100F.pdf
>
> -Mark
>
>
>
> On 14/11/2017 1:46 PM, Andrew Errington wrote:
>
> FRAM? Never used it, but it might do what you want.
>
> Here's a simple example from some guy on the internet whom I have never
> met:
> http://www.kerrywong.com/2012/01/15/using-fram-as-nonvolatile-memory-with-
> arduino/
>
> On Nov 14, 2017 1:39 PM, "Robin Gilks" <robin at gilks.org> wrote:
>
> I've been using a TFT LCD which has over 300k of RAM in it. To write or
> read from that RAM, I specify opposite corners and then just write word by
> word. Real easy, fast (40mb/s) and no extra address lines required. Great
> for temporary storage/buffer space.
>
> Does anyone know of a RAM chip that does this all on its own? i.e. write a
> command that specifies an 'address' and then write or read until done? I'd
> prefer something with less than the 1776 pins the TFT controller chip has
> on it!! (say 16 data, command/data, read/write, chip enable & reset).
>
> Would be real handy on small micros (and even not so small ones that have
> 100k-200k of RAM)
>
>
> --
> Robin Gilks
>
>
>
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