ESP32/ESP64 heap allocation // MMU

[rudi ;-)]

hi guys

for better understand and deeper going i have few naive question with the pleasure,
perhabs someone can give an info about:

pSRAM
we have mapped on
3F800000 4096kib RAM ( 16 byte for heap allocator reserved )
3FFAE2A0 7kib DRAM
...
...

between RAM and DRAM address are place near 8128 kib ( 8053408 )
we can theoretically map more as 4096 kib ( near 8000 kib )

why we do this not official ?

ESP64
how looks the heap allocation // MMU for it?
when we can order official samples

thanks

best wishes
rudi

[Sprite]

Do we have an ESP64 now? That's news for me too.

[rudi ;-)]

Do we have an ESP64 now?

not sure is it named ESP64 now
like Intels now series or was AMD or Microsoft - not so important

That's news for me too.

ESP64 is given as Espressif Product since 2015 jeroen
sry but 2015 you was not at espressif - so i think you know this not and work only with ESP32?
cause this is not realy news i can talk to you about ESP64 this one times
you help us hobbyst and professionals here many time

so listen to me one time:

we know since may 2015 that there is ESP64 in the hand of interna EE and R&D and APD and firsttime public named 9/15/2015

since the state now we was informed too, that the spoken coming chip is not directy a new Chip, but we thinked perhabs the endproduct of the upbringing ESP32 in steps ( rev0, rev1, ..) to the ESP64. ?

cause the drum**roll*chache whisper, that next time start kickstarter/or direct Product from allside knowed company ( which the author of the linked text announces a surprise at the end of the text) that this perhabs as ESP64 comes perhabs about them, i ask, does we

- talk here or on other place about ESP64, perhabs on ESP64COM / ESP64DE
- get we a chance to become the modul on same time
- is the great ESP-IDF framework then for ESP32 and ESP64

last but not least:
- what i am not know is, does the Lyra Endproduct series based on ESP64 or ESP32.
- does the come out Audio Board base on ESP64
- is the just in time in hand testing TLK110 espressif own board next time comming out board based on ESP64

thank you

best wishes
rudi

ps
i remember me to know ESP64 this first time since May 2015 was spoken and we all ask for it.
and look here, espressif talk sept 2015 here
and there
i wait for it too

and no "again" -i am no insider

state

we love espressif , and i like you and the esp crew

but perhabs you can find back to my question to ESP32 and pSRAM perhabs you know this:

pSRAM
we have mapped on
3F800000 4096kib RAM ( 16 byte for heap allocator reserved )
3FFAE2A0 7kib DRAM
...
...

between RAM and DRAM address are place near 8128 kib ( 8053408 )
we can theoretically map more as 4096 kib ( near 8000 kib )

why we do this not official ?

[Sprite]

The region actually is only 3MiB because the peripherals start at 0x3FF00000. As far as I know, the memory region is not hooked up to anything (including the MMU) and cannot be used.

[rudi ;-)]

The region actually is only 3MiB because the peripherals start at 0x3FF00000. As far as I know, the memory region is not hooked up to anything (including the MMU) and cannot be used.

thank you jeroen

best wishes
rudi