xPico
®
200 Certification Firmware Instructions
7
xPico 240/250 Module
MCU UART or
system serial
transceiver
UART TX
UART RX
UART RTS
UART CTS
JTAG
JTAG Port
UART RX
UART TX
UART CTS
UART RTS
Jumper or SW hook to tristate
MCU serial interface for
xPico module test/ FW load
= PCB Test Point
Manufacturing Tester/Loader
UART Probe
U
A
R
T R
TS
U
A
R
T C
TS
U
A
R
T T
X
U
A
R
T R
X
See the evaluation board schematic and artwork for recommended transceiver, DB9, and port
connections in the
xPico 200 Series Evaluation Kit User Guide
Continuous Mode Software Load
To use the module for continuous mode testing for certification, download and load the Wi-Fi
continuous mode software.
1. Download the xPico 200 continuous mode software from
https://www.lantronix.com/products/xpico-200/#tab-docs-downloads
2. Extract the files from the archive. The archive contains the
xPico200_MFG_Test
directory with the following contents:
a.
Wi-Fi-Scripts
directory
– contains the scripts that can be pasted in Tera
Term.
b.
xPico200
directory
– contains the rom that is loaded to the device and the Tera
Term macro file.
c. Certification Firmware Instructions
– this document.
