New Espressif ESP32 Single and Dual Core Processors in 5x5mm Package, Optional Embedded Flash Coming Soon

Espressif ESP32 was launched last year as a dual core Tensila processor with WiFi and Bluetooth connectivity, relying on external flash for storage, and packaged into a QFN48 6x6mm package. Espressif recently updated ESP32 datasheet, and the guys at ESP32net noticed three new versions of the processor with a QFN48 5x5mm package, one version including 2 MBytes embedded flash, and another version with a single core.

The three new versions of ESP32 all come with the same WiFi 802.11b/g/n ad Bluetooth 4.0 LE connectivity and a QFN 5×5:

  • ESP32-D0WD dual core processor without embedded flash
  • ESP32-D2WD dual core processor with 16 Mbit embedded flash
  • ESP32-S0WD single core processor without embedded flash

ESP32-D0WD different with ESP32-D0WDQ6 is only the smaller package, while ESP32-D2WD brings 2MB embedded flash too possibly lowering the price of current solution with external flash, and ESP32-S0WD might be closer to ESP8266 price thanks to its single core, while still offering Bluetooth Smart support on top of WiFi.

Other interesting – but so far unused – parts of the nomenclature are that future ESP32 version may support 802.11a (AFAIK no that commonly used), as well as 802.11ac for higher WiFi throughput, which would also mean a dual band (2.4 / 5GHz) ESP32 processor (ESP32-D0CD or ESP32-D2CD) might be manufactured in the future.

Thanks to Nanik for the tip.

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