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PAN9520 ETU Evaluation Tool
3.17.2
Espressif AT-Software
Instead of developing embedded software directly on the PAN9520, AT software for controlling
the module by a host can be used. This kind of software is provided by Espressif and is
available as pre-built binary set or as source code.
The following web pages are related to the AT software:
•
ESP-AT Source Code (v2.1.0.0_esp32s2):
at/tree/release/v2.1.0.0_esp32s2
•
ESP-AT User Guide (v2.1.0.0_esp32s2):
at/en/release-v2.1.0.0_esp32s2/index.html
•
ESP-AT ESP32-S2 Binaries:
v2.1.0.0_esp32s2/AT_Binary_Lists/ESP32-S2_AT_binaries.html
3.17.3
Customized Software Parts
When flashing the AT software binaries, two files are recommended to be replaced:
factory_param.bin and phy_init_data.bin (mandatory for a valid modular approval).
This chapter describes both files and the required changes. It explains how the files can be
flashed in a convenient way.
RF Power Settings and Limits in the "phy_init" Binary
The PAN9520 has been certified and received a modular approval. As requirement for this
approval to be valid, the power for different modulations and channels must be limited
depending on the location the device is operated in.
User Guide Rev. 1.0
The PAN9520 is a radio certified module. There are conditions on hardware
and software which must be met for the modular approval to be valid.
For detailed information please refer to "PAN9520 Module Integration Guide".
If the pre-built binary files are used, it is recommended to use the WROVER
binaries, because the WROVER features the same memory densities as the
ENW49D01A1KF.
Please regard the adaptions described in
Parts.
https://docs.espressif.com/projects/esp-at/en/release-
Please note that a "phy_init" binary that complies with the regulations must be
flashed instead of the original phy_init.bin.
For details on the requirements please refer to the "PAN9520 Module
Integration Guide".
3.17.3 Customized Software
https://github.com/espressif/esp-
https://docs.espressif.com/projects/esp-
3 PAN9520 ETU
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