Introduced in 1994, the ARM7™ processor family has been immensely successful, and has helped establish ARM as the architecture of choice in the digital world. Over the years, more than 10 billion ARM7 processor family-based devices have powered a wide variety of cost and power-sensitive applications.

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The ARM9™ processor family enables single processor solutions for microcontroller, DSP and Java applications, offering savings in chip area and complexity, power consumption, and time-to-market. The ARM9 DSP-enhanced processors are well suited for applications requiring a mix of DSP and microcontroller performance.

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The ARM Cortex™-M processor family is an upwards compatible range of energy-efficient, easy to use processors. The ARM Cortex-M3 and Cortex-M0 processors utilize the ARM Thumb®-2 technology which provides excellent code density, and supports a fundamental base of 16-bit Thumb instructions, extended to include more powerful 32-bit instructions. In many cases a C compiler will use the 16-bit version of the instruction unless the operation can be carried out more efficiently using a 32-bit version.

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