Will an ESP32-S3_WROOM-1 do 3 wire half duplex SPI ?

Someguy22
Posts: 9
Joined: Wed Jan 08, 2025 4:51 am

Will an ESP32-S3_WROOM-1 do 3 wire half duplex SPI ?

Postby Someguy22 » Tue Jan 28, 2025 5:48 pm

This table (https://docs.espressif.com/projects/esp ... tocol.html) says that an ESP32-S3 v2 will do the SPI Slave Half Duplex protocol. Does that mean that v1 will not ?

How does one tell if a processor is v1 or v2 ?

When did the changeover from v1 to v2 happen ?

Thanks

Someguy22
Posts: 9
Joined: Wed Jan 08, 2025 4:51 am

Re: Will an ESP32-S3_WROOM-1 do 3 wire half duplex SPI ?

Postby Someguy22 » Wed Jan 29, 2025 1:39 am

Update: ESP32-S3-WROOM-1 and -2 have exactly the same SPI wording in their respective datasheets. No mention is made of V2 having extra capabilities over V1.

https://www.espressif.com/sites/default ... eet_en.pdf
https://www.espressif.com/sites/default ... eet_en.pdf

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