esp32
100k〜1MSPSの外部AD使えるのか？

I recently got a task to do using the AD7767 128 kSPS 24-bit ADC.
で
So, I should be getting around 46 ksps. However, practically I only get around 22ksps
しかでてないらしい。
esp32の限界スペックが知りたいのだが
24bitバッファ問題で12bitだと1Mspsでるかな？

Meanwhile, using an ESP32 board that I have, I've tried using the internal
4MB flash memory (GD25Q32C) that's hooked up on the SPI interface to store
ADC data @32ksps (I've used a slower ADC) and.... success. :)
It works with 128ksps too.
SPI接続4MBフラッシュに格納すれば128kspsも成功と(その後バッファあふれて止まるらしい)

12bit 1Mspsできますかね？ 40Mhz以上あるのでできるはずだが