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+=== Atmel ===
+
+ * AVR 8bit RISC microcontroller (ATmega 103L, ATmega 128, ATmega 64, and many others)
+
+=== Motorola/Freescale ===
+
+ * M68K family (including M68000, M68030, M68040 and M68060)
+
+ * Coldfire 32bit CISC microcontroller (including MCF5272 and MCF5282)
+
+ * 68HC705 8bit microcontroller family (several models)
+
+ * DSP56K (DSP56805 and DSP56807E) - Used extensively for stepper motor control,
+ data acquisition and other mechanical devices.
+
+=== Intel ===
+
+ * 80C196 - 16bit microcontroller;
+
+ * 80x86 - Not properly a microcontroller, but used for some embedded Linux applications nevertheless.
+
+=== ARM ===
+
+ * Motorola Dragonball MX-1/MX-L - Helped porting kernel 2.6 to it.
+
+ * Intel PXA250/PXA255 - Wrote Linux kernel drivers for this chip
+
+ * Atmel's AT91SAM7C3 - Small embedded application for the FreeRTOS real-time kernel.
+
+ * (many others, evaluation only)
+
+
+=== Texas Instruments ===
+
+ * DSP TI54 series, employed for high-speed signal processing such as an FSK modem.
+
+
+=== Zylog ===
+
+ * Z80, mostly for experimental purposes.