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left speechmarkWe have used other system-on-module suppliers. - Direct Insight were by far the best for delivery and technical support. Direct Insight’s support was invaluable in our first foray into Windows CE.right speechmark

Paul Bramley
Technical Director
Metrosol Limited




TRITON, Direct InisghtTRITON - TX25, the ultra-low-cost ARM9 module

TX25, the ultra-low-cost ARM9 moduleProduction-quality system-on-module (SOM) based on 400MHz Freescale i.MX25
TRITON TX25 is an ultra-low-cost SBC module, implemented on a board with form-factor smaller than a credit card (68mm x 26mm), and ready to be incorporated into your low or medium volume product manufacture or prototype. TRITON-TX25 modules are based on a 400MHz Freescale i.MX257 (optionally i.MX258) ARM9 processor with 64MB SDRAM and 128MB Flash, and come complete with a StarterKit development system, and a production quality implementation of Windows CE 6.0 or Linux 2.6.

TRITON TX25 includes a comprehensive set of peripherals and interfaces. These include USB 2.0 Host and on-the-go, Ethernet, SD Card, UARTs, LCD controller, keypad controller, I2C, I2S, AC'97, SPI, CAN and GPIO

Reducing your time to market
For development purposes, the TRITON TX25 module plugs into a StarterKit-5 baseboard, and powers up running Windows CE 6.0 or Linux 2.6. The StarterKit allows you to begin application development immediately on a platform which is actually a superset of your final production hardware and software. A simple custom baseboard derived from the StarterKit design is then created to suit your application. The production quality Board Support Package (BSP) which is supplied as part of the package is rebuilt accordingly, the module is plugged in, and the production platform is complete. The custom baseboard can be designed by you, or by our services group, but by keeping the high-speed multilayer electronics on the module, this task is made relatively inexpensive and quick.

Longevity and Pin-Compatibility
Guaranteed lifetime is a key reason to choose TRITON family products, some of which have already been shipping for over 10 years. For our i.MX based products longevity guarantees are underwritten my Freescale, who offer 10 to 15 year minimum lifetimes for the i.MX ARM-based range. We expect to shadow the Freescale lifetimes and additionally offer our customers a contractual 7-year longevity guarantee for TRITON-TX-modules. Further security is provided by the pin-compatible nature of the range, which means that suitable baseboard designs can take all the modules from this family, including those based on i.MX25, i.MX27, i.MX28, i.MX51 and i.MX53, and allows older modules to be replaced by the latest designs, with new features, better price-performance, and renewed longevity.

The widest range of Interfaces
The TRITON TX25 module provides an extensive range of interfaces . As well as RS-232, Ethernet, SPI, SSP, I2C, I2S, AC'97, USB 2.0 OTG and Host, and SD Card are provided. TX25 is the only TRITON module to provide a CAN interface. The LCD controller supports resolutions up to 800 x 600, although we recommend that above 640x480 (VGA) the TRITON-TX28 is used for performance reasons.

The table below shows the resources available from the complete development system, and whether those resources are provided in hardware by the microcontroller, or by additional circuitry on the module or development baseboard:

Freescale i.MX25
i.MX257 /i.MX258
Processor Clock Max (MHz)
NAND Flash (MB)
UART (RS232)
up to 5 UARTs, 2x RS232 on baseboard
Ethernet 10/100 BaseT
PHY on module
I2C Interface
driver supplied
LCD Controller
via 40-pin header
Supplied LCD
optional touch screen
SSP (synchronous serial incl. AC97, I2S)
SD card/SDIO (4-bit)
1-Wire Interface
USB Host
PHY on module
USB Client
PHY on module
PWM Controller
backlight control
on baseboard
Touch Screen Interface
on baseboard
internal to i.MX25
3.0 - 5.5v
or via USB
Temperature Range
-40 to +85C
68 x 26mm
Windows CE 6.0

StarterKit-5 Development System
The StarterKit-5 provides a complete development environment based on TRITON-TX25, running Linux 2.6 or Windows Embedded CE 6.0 out-of-the-box. The whole system is USB-powered, so requires no external PSU (except when used with optional touch-screen).

The development system consists of a baseboard which provides connectors for all the module interfaces, and includes additional peripherals such as an SGTL5000 audio codec, TSC2007 touchscreen controller and video DAC. A range of resistive and capacitive touch screens are available for optional supply with StarterKit-5.

For production purposes, you will require a custom baseboard, and we are happy to offer baseboard design and manufacture as a service.

Further Information and Pricing
Contact our experienced team with your detailed questions - we'll be happy to help. For pricing, please use the Price Request form below.

Ordering Information
Simply order the StarterKit-5 for TRITON-TX25 development system via our online shop, and it should be with you in a couple of days. We look forward to providing you with knowledgeable, professional support to create your product. If you have questions, please don't hesitate to contact us by calling Direct Insight on +44 1295 768800 9am to 5.30pm UK time, emailing info at, or by using the "Ask a Question" form below.

Production-ready module comparison table
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# Literature Centre #

Online Documentation at our Literature Centre...See our Literature Centre for documents and other associated files for this product group.


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