About the Digi Connect ME family of embedded modules Digi Connect ME and Wi-ME embedded modules
Digi Connect ME, Wi-ME, ME 9210, Wi-ME 9210 Hardware Reference Manual
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Digi Connect ME and Wi-ME embedded modules
Embedded modules provide fully transparent device connectivity over industry-standard Ethernet
connections and allow both equipment manufacturers and systems integrators to network-enable
products at a fraction of the time and cost required to develop a custom solution. They provide a
highly flexible and compact single component solution with a serial port, GPIO, and a robust on-board
TCP/IP stack and 10/100 BASE-T Ethernet support or wireless interface. From medical systems to
building control and industrial automation, in virtually any application where embedded device
connectivity over Ethernet or wireless connectivity is needed, embedded modules are the ideal choice,
delivering high-performance functionality.
Built on Digi's leading 32-bit NET+ARM processor technology, the Digi Connect ME family of embedded
modules offer serial-to-Ethernet functionality through Digi’s Plug-and-Play Firmware firmware, or the
freedom and flexibility of professional embedded software development provided by the easy-to-use,
cost-effective and complete Digi JumpStart Kits™ for NET+OS and Microsoft.NET Micro Framework.
Digi Connect ME and Digi Connect Wi-ME modules use the powerful Digi NS7520 processor with an
ARM7TDMI core running at 55 MHz. They provide integrated wired or wireless networking and serial
device connectivity in a compact connector-style form factor. The Digi Connect ME 9210 module is the
latest, fully form factor and pin compatible, members of the Digi Connect ME family providing 75 MHz
ARM9 core performance based on the Digi NS9210 processor. In addition to higher performance with
integrated Ethernet connectivity, the Digi Connect ME 9210 offers higher serial data rates, SPI
functionality, and the unique option of application-specific interfaces using the programmable FIMs on
the NS9210.
Note Unless mentioned specifically by name, products are referred to as the embedded modules or
modules. Individual naming is used to differentiate product specific features. Similarly, information
about the Digi Connect ME applies to the Digi Connect ME 9210.
Types of modules
There are two types of modules. One module utilizes Digi Plug-and-Play Firmware, while the second is
customizable with the option to develop a firmware application in.NET MF or NET+OS. If you are
developing your firmware application in NET+OS, you will be using a module with a JTAG interface.
Note JTAG is a commonly used term that is also referred to as IEEE 1149.1, an industry standard test
protocol. JTAG is an abbreviation for the European Joint Test Action Group, which invented the first
versions of the IEEE 1149.1 interface. The JTAG interface, along with the other development tools,
enables you to download, run and debug programs on the module.
The following figures show the two types of modules.
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