ESP32 in-package flash vs off-package flash

ribisl
Posts: 1
Joined: Wed Oct 11, 2023 8:55 am

ESP32 in-package flash vs off-package flash

Postby ribisl » Wed Oct 11, 2023 9:05 am

Lets say I want to build a pcb with a ESP32-S3 with the QFN package, but I don't want to add a spi flash ic because of bom and whatever reason.

The esp32-s3 datasheet says on chapter 1.2, table 1-1 ESP32-S3 Series Comparison, that the different series have following flashes
esp32_table.JPG
esp32_table.JPG (44.06 KiB) Viewed 1051 times
Does that mean that I would have to pick either the ESP32-S3FN8 or ESP32-S3FH4R2 because their flash is integrated into the QFN package?
If I would choose ESP32-S3 / ESP32-S3R2 / ESP32-S3R8 / ESP32-S3R8V, I would have to include a SPI flash on my pcb. Is that right?

ESP_Sprite
Posts: 9583
Joined: Thu Nov 26, 2015 4:08 am

Re: ESP32 in-package flash vs off-package flash

Postby ESP_Sprite » Thu Oct 12, 2023 1:40 am

Yes on both questions.

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