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PAN9520 ETU Evaluation Tool
No.
Name
1 Module native USB connector
2 GPIO0/boot button
3 General-purpose buttons
4 Power LED
5 General purpose LEDs
6 USB connector
7 Current measurement pin headers
10
8 Reset button
9 Peripheral power supply
11 USB hub IC
12 Break out pin header
13 FT2232 IC (JTAG and UART0)
14 5V input/output control
15 Arduino socket
16 JTAG signals
17 SPDT control pin header
18 PAN9520 module
User Guide Rev. 1.0
Function
Connected to GPIO 19 and GPIO 20, which can be
used for USB.
3.11 USB-IO Switch
Button SW1 to be used for controlling the Boot Mode
at start-up or as general-purpose button in
application.
3.7 User Buttons
SW1/IO0 at Start-Up
Buttons SW2 to SW4 are for general purpose.
3.7 User Buttons
LED that indicates power on +3V3 net.
LEDs 1 to 3 can be used for general purpose.
3.6 User LEDs
USB connector for FT232 (UART1) and FT2232
(JTAG and UART0).
If no jumper is connected to pin 7 and pin 10, these
pins can be used for current measurement.
3.10 Current Measurement
Resets the PAN9520.
Pin header to control the supply of peripheral devices
as FT232 and FT2232.
3.14 Disabling Peripherals
USB hub for connecting FT232 and FT2232 to the
USB connector.
All GPIOs of the PAN9520 are connected to these
headers.
3.5 Breakout Pin Header
USB to dual port IC (port0: JTAG, port1: UART0)
Configures, if 5 V pins are connected via a diode
(input) or directly (input and/or output).
3.3 Powering Options
3.9 Arduino Board/Shield Configuration
Arduino compatible socket.
3.8 Arduino Interface
Pin header for connecting JTAG signals (FT2232 or
external debugger) to the module's pins.
Pin header for controlling the SPDT RF switch on the
PAN9520.
3.15 PAN9520 RF Switch (SPDT) Control
PAN9520 802.11 b/g/n embedded Wi-Fi module
3 PAN9520 ETU
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