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PAN9520 ETU Evaluation Tool
Overview
The PAN9520 ETU is an evaluation board for the
PAN9520 embedded Wi-Fi module based on the
®
Espressif
ESP32-S2.
PAN9520 Features
•
Embedded 2.4 GHz Wi-Fi 802.11 b/g/n module
•
®
Xtensa
single-core 32-bit LX7 microprocessor,
up to 240 MHz
•
Chip internal 128 kB ROM, 320 kB SRAM, and
16 kB low power SRAM
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Integrated QSPI Flash and PSRAM (a variety of
memory densities are available)
•
Ultra-Low Power (ULP) co-processor usable in
deep sleep mode
•
All security features required for WPA2 and
WPA3 personal
•
Espressif IoT Development Framework (ESP-IDF)
with a multitude of examples available for
software development
•
Supports 20 MHz and 40 MHz bandwidths in
2.4 GHz band with data rates up to 150 Mbps
•
Simultaneous support for Infrastructure Station,
SoftAP, and promiscuous modes
•
802.11mc Fine Time Measurement (FTM)
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36× programmable GPIOs with a rich set of
alternative functionalities
Block Diagram
USB
Debugging/UART
USB
Module Native
Current Measurement
Connector
User Guide Rev. 1.0
PAN9520 Characteristics
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Evaluation Tool Features
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User Interfaces
Buttons
LEDs
FT232
USB to UART1
USB HUB
FT2232
USB to JTAG
USB to UART0
Current
Arduino
Measurement
Interface
Arduino
Pin Header
Surface Mount Type (SMT):
24 mm × 13 mm × 3.1 mm
Tx power: up to 19.5 dBm at IEEE 802.11b
1 Mbps
Rx sensitivity: of -97 dBm at IEEE 802.11b 1 Mbps
Power supply: 3 V to 3.6 V
Current consumption: 260 mA Tx (average at 11b,
11 Mbps), 76 mA Rx (40 MHz channel), 310 mA Tx
peak
Deep sleep mode: <100 µA typical power
consumption (RTC timer only and V
disconnected)
Wide temperature range from -40 °C to 85 °C
Arduino Interface configurable as shield or board
All GPIO break out
FTDI FT2232 USB to dual interface
–
USB to JTAG
–
USB to UART0
FTDI FT232 USB to UART1 interface
Peripherals are deactivatable for low power
applications
4× user Buttons, 3× user LEDs
Module native USB interface
Camera interface
Contains module variant ENW49D01A1KF with
4 MB of QSPI Flash and 2 MB of QSPI PSRAM
PAN9520 ETU
Easy-To-Use Evaluation Board
PAN9520
Camera
GPIO Breakout
Interface
Breakout Pin
Camera
Headers
Connector
DD_SPI
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