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by rudi ;-)
Tue Jul 21, 2026 8:50 pm
Forum: ESP32-S31
Topic: Where is the Technical Reference Sheet
Replies: 6
Views: 229

Re: Where is the Technical Reference Sheet

I think the early watchdog activation strategy makes sense from a system reliability perspective. While moving watchdog configuration into the bootloader provides more software flexibility, enabling the basic protection already at hardware/BootROM level avoids a critical window where the device ...
by rudi ;-)
Sat Jun 27, 2026 12:26 pm
Forum: ESP32-S31
Topic: ESP32-S31-Function-CoreBoard-1
Replies: 7
Views: 431

Re: ESP32-S31-Function-CoreBoard-1

Hi everyone,

just wanted to let you know that there’s a lot more available for testing now.
As of yesterday, my workbench is sporting another highlight: the H16R16V variant. (ESP32-S31-WROOM-3)
We’ll see where things go over the next few weeks. I’m really excited.

The technical specs look like a ...
by rudi ;-)
Fri Jun 19, 2026 1:41 pm
Forum: Hardware
Topic: Trying to get documentation for JC-ESP32P4-M3
Replies: 2
Views: 78

Re: Trying to get documentation for JC-ESP32P4-M3

Could you please share the archive on another fileshare or here?
hi dmitrij999

maybe this repo or this , further or this part of a repo from this repo helps. Modul.
by rudi ;-)
Sun Jun 07, 2026 1:12 am
Forum: ESP32-S31
Topic: ESP32-S31-Function-CoreBoard-1
Replies: 7
Views: 431

Re: ESP32-S31-Function-CoreBoard-1

We expect them be available around mid~end June, stay tuned!
Hi bongjiajun,

can you check missing parts please?
txs
by rudi ;-)
Sun May 31, 2026 2:57 am
Forum: ESP32-S31
Topic: Tell us about the new MMU architecture!
Replies: 6
Views: 514

Re: Tell us about the new MMU architecture!


See the fresh datasheet , it's sv32 MMU,


- Sv32 two-level page-table address translation
- Compliant with RISC-V Sv32 virtual memory scheme

However, it’s likely not what you think it is?

The ESP32-S31 datasheet mentions “Sv32 two-level page-table address translation” and being “compliant ...
by rudi ;-)
Sun Dec 14, 2025 4:49 pm
Forum: General Discussion
Topic: ESP32-S31 :)
Replies: 22
Views: 10148

Re: ESP32-S31 :)

...no ethernet MAC
#0
#1
#2
by rudi ;-)
Fri Dec 12, 2025 9:58 am
Forum: General Discussion
Topic: ESP32-S31 :)
Replies: 22
Views: 10148

Re: ESP32-S31 :)

The modem clock is here :)

Code: Select all

#define SOC_MODEM_CLOCK_IS_INDEPENDENT            (1)
i guess, the independent clock enables efficient time-sharing between WiFi and BLE
by rudi ;-)
Fri Dec 12, 2025 9:47 am
Forum: General Discussion
Topic: ESP32-S31 :)
Replies: 22
Views: 10148

Re: ESP32-S31 :)


Well, at least the Interrupt list contains quite some interrupts for a a modem with wifi, bt and ble.



... so many usefull INT



Can't find

#define SOC_WIFI_SUPPORTED

or

#define SOC_BT_SUPPORTED


So maybe more of a down-spec'd P4 than an upgraded S3?



So many usefull modems ...
by rudi ;-)
Thu Dec 11, 2025 6:32 pm
Forum: General Discussion
Topic: ESP32-S31 :)
Replies: 22
Views: 10148

Re: ESP32-S31 :)



... dual core Risc V ...

... more GPIOs ...to 62



... one more ("SOC_GPIO_PIN_COUNT" ) ... up to 63 ;-)
... but max in / out 62 ( :idea: 63 )

... higher boot regions
... extended IRAM segments
... optimized boot processes and shared RAM regions .. released after RTOS startup i 'guess ...
by rudi ;-)
Tue May 20, 2025 12:28 am
Forum: General Discussion
Topic: ESP32-C5 -=what is known so far=-
Replies: 19
Views: 39376

Re: ESP32-C5 -=what is known so far=-

update
======


Hi Folks,

Espressif announce that ESP32-C5 is now in mass production.
great news, right?

Just boot an ESP32-C5-DevKitC1 from espressif aliexpress shop


ESP-ROM:esp32c5-eco2-20250121
Build:Jan 21 2025
rst:0x1 (POWERON),boot:0x8 (DOWNLOAD(UART0/USB))
waiting for download


ESP32 ...

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