Quick Start Guide
TWR-WIFI-GS1500M
802.11b/g/n Wi-Fi
®
Module
TOWER SYSTEM
Quick Start Guide
Get to Know the TWR-WIFI-GS1500M
Primary
connector
For external
antenna
(optional)
Power
connector
(optional)
Power
switch
Program
switch
GainSpan
GS1500M
Wi-Fi
module
RS232 DB9
connector
Power
connector
(optional)
Secondary
connector
TWR-WIFI-GS1500M
Freescale Tower System
The TWR-WIFI-GS1500M module is part of the Freescale Tower System,
a modular development platform that enables rapid prototyping and tool
re-use through reconfigurable hardware. Take your design to the next
level and begin prototyping with your Tower System today.
2
TOWER SYSTEM
TWR-WIFI-GS1500M
in Initial Caps Can Go
Headline of Features
Features
to
Features GS1500M Wi-Fi module from GainSpan
Two Lines If Necessary
•
Operates with standard 802.11 b/g/n access points at speeds
up to 72 Mb/s
• Supports Infrastructure, Limited AP, Ad hoc or Wi-Fi Direct mode
UART and SPI interfaces:
- Clock rate of up to 1.4 Mb/s in SPI slave mode
- Data rates of up to 921.6 Kb/s on UART
• Full Wi-Fi stack including WPS and optional networking stack
and services
• 802.11i security: WEP, WPA, WPA2-PSK, enterprise
• Certified RF module: FCC, IC, Wi-Fi, RoHS
Fully compliant with EU and meets the R&TTE Directive for Radio
Spectrum Japan Radio Type Approval (i.e. TELEC) and is pre-scan
compliant.
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Quick Start Guide
TWR-WIFI-GS1500M Jumper Options
The following is a list of all jumper options. The default installed jumper settings are
shown in white text within the black boxes.
Jumper Option
SW1
SW6
Power
Supply Input
Mode
Selection
Setting
ELEV PWR
DC PWR
RUN
PRGM
1–2
Description
Power from Tower System 3.3 V
Power from DC power jack (J2)
GS1500M in standard "run" mode
GS1500M in program mode
Connect GS1500M interrupt to Tower IRQ_G
(B56)
Connect GS1500M interrupt to Tower IRQ_E
(B58)
Connect GS1500M interrupt to Tower IRQ_C
(B60)
Connect GS1500M interrupt to Tower IRQ_A
(B62)
Select SPI as serial interface
Select UART as serial interface
Connect GS1500M reset to Tower GPIO9
(A9)
No connection
Connect GS1500M reset to Tower RSTOUT
(A63)
Connect GS1500M reset to Tower GPIO1
(B21)
J1
Interrupt
Selection
3–4
5–6
7–8
J3
SPI/UART
Selection
1–2
2–3
1–2
J4
GS1500M
Reset
Selection
J5
2–3
1–2
2–3
4
TOWER SYSTEM
Jumper Option
J7
Slave SPI
Port CS
Selection
UART
Routing
Selection
Master SPI
Port CS
Selection
Setting
1–2
2–3
1–2
2–3
1–2
2–3
ON
Description
Connect Tower SPI0_CS0 to slave SPI CS
on GS1500M
Connect Tower SPI0_CS1 to slave SPI CS
on GS1500M
Connect GS1500M UART0 to onboard
RS232/DB9
Connect GS1500M UART0 to Tower System
Connect Tower SPI1_CS1 to master SPI CS
on GS1500M
Connect Tower SPI1_CS0 to master SPI CS
on GS1500M
Connect GS1500M power supplies to the
3.3 V supply source
Isolate GS1500M from power supplies.
J11 can be used to measure the energy
consumption of the VBAT, VDDIO and
EN_1V8 supplies to the GS1500M.
J8
J9
J11
Power
Isolation
and Current
Measurement
OFF
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