
TWR-WIFI-G1011MI
User’s Manual
Rev. 1.0
Freescale Semiconductor Inc. TWRWIFIG1011MIUM

Contents
1 Overview ...................................................................................................................................................... 3
2 Reference Documents .............................................................................................................................. 4
3 Hardware Features ................................................................................................................................... 4
3.1 GS1011MIP Module ........................................................................................................................................................... 4
3.2 System Power ....................................................................................................................................................................... 5
3.3 Special I/O, access headers, etc. .................................................................................................................................... 5
3.4 Elevator Connections ........................................................................................................................................................ 6
4 Jumper Table .............................................................................................................................................. 8
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Revision History

SPI_HOST_WAKEUP
GPIO28
DB9 Connector
(For Programming)
UART
SPI/UART
LED
LED
Elevator Connector
SPI/UART
Freescale
MCU/MPU
GainSpan
GS1011MIP
Low Power
Wi-Fi Module
RS232
XCVR
3.3V
Antenna
1 Overview
The GainSpan Wi-Fi Tower Module (TWR-WIFI-G1011MI) is a low-cost evaluation, demonstration and
development board that features an 802.11b solution from GainSpan. The following list summarizes
the features of the TWR-WIFI-G1011MI:
GainSpan GS1011MIP Wi-Fi module
o Compliant to 802.11b and operates with standard 802.11 b/g/n access points at speeds
up to 11 Mbps
Supports Infrastructure or Adhoc mode
o UART and SPI interfaces
Up to 3 MHz in SPI Slave Mode
Up to 921.6 kbps baud rate on UART
o Full Wi-Fi stack including WPS and optional networking stack and services
o 802.11i Security
WEP, WPA, WPA2-PSK, Enterprise
o Embedded Web Server for Provisioning
o Certified RF Module: FCC/IC, ETSI, RoHS, Compliant with JAPAN regulatory
A block diagram for the TWR-WIFI-G1011MI is shown in the figure below.
Figure 1. TWR-WIFI-G1011MI Block Diagram
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