8/16 bit Microcontrollers
Rabbit Semiconductor provides low-cost, quick-to-market solutions for a variety of networked embedded systems. Rabbit's RabbitCore microprocessor core modules and customizable single-bard computer solutions offer fast and powerful development solutions with a variety of form factors, I/O configurations, and memory. These solutions are used in building security, point of sale, parking systems, telecommunications, vehicle and ship systems, container tracking and a broad variety of similar applications. Rabbit bundles hardware and software together, creating an engineer-friendly development environment.

The Renesas R8C microcontroller is an easy to learn core with sophisticated peripherals. With an 8-bit data path and a 16-bit ALU, the Renesas R8C has quickly become one of the most popular 8-bit solutions available.

Flash Microcontrollers; Broad-range supplier
A joint merger of Hitachi and Mitsubishi product lines, Renesas boasts an impressive array of semiconductor products. A very broad-range manufacturer of semiconductors including microcontrollers, discretes, Flash, SRAM. 8-bit thru 32-bit cores. Excellent development tool support. The combined microcontroller product portfolio includes the H8, SuperH, R8C, M16C, R32C, and much much more!
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Manufacturer of 16-bit and 32-bit DSPs with fair development tool support. Wide variety of precision analog components, as well as the MicroConverter, an 8051 microcontroller with a 12-bit A/D converter.

8051, AT91, AVR, AVR32 Microcontrollers
Atmel manufactures the popular 8051, the AT91 ARM7, Atmel AVR 8-bit RISC, and the AT57 dual CPU DSP. Flash varieties of most Atmel microcontrolelrs are available. Wide development tools support is available for the 8051 & AT91. Atmel's 8-bit AVR has many devotees. The Atmel AVR32 is an MCU/DSP hybrid that has a 7-stage pipeline with parallel out-of-order execution.

Fast Flash Microcontrollers
Manufactures a line of high-performance Flash 8051 microcontrollers, 50 MIPS peak at 50 MHz, as well as "secure" microcontrollers, an 8051 with a watch battery to keep the SRAM alive. Extensive development tools support. Now a division of Maxim Integrated Products.

Microcontrollers, Broad Range Supplier
Popular manufacturer of a wide variety of analog and digital semiconductors, including a number of microcontroller families ranging from 8-bit to 32-bit. A partial list includes the 68HC05, 68HC11, 68HC908, 68HC11, 68HC12, 68000, 68020, 68030, 68040, Coldfire, MCore, PowerPC, DSP56800, and lots more. Formerly known as Motorola.

Now known as Renesas Technology.

C16x, C500, TriCore. Broad Range Supplier
8-bit microcontrollers based on the 8051. 16-bit ROM & OTP microcontrollers with outstanding development tool support. CAN and USB microcontrollers. A broad-range supplier of a wide variety of semiconductor products.

Pentiums, High Performance Chipsets
Popular manufacturer of Pentium PC microprocessors (of course), in addition to motherboards, PC chipsets, server RAID controller, microcontrollers, PCI bridges, ethernet products, Flash memory, and a wide range of connectivity chips.

8-bit Microcontrollers, Interface Chips
Over 1.8 Billion Flash MCUs Shipped!
PICmicro� microcontrollers (MCUs); analog/interface products; Serial EEPROMs; microID� RFID tags; KEELOQ� security devices; and the dsPIC� family of Digital Signal Controllers. Very good Development Tools. Microchip had shipped their One Billionth Flash Microcontroller by June 2005.

CompactRISC and COP8 Flash Microcontrollers,
Manufacturers an excellent very low power microcontroller, the CompactRISC. Besides being feature-rich, available modules include Bluetooth, USB, and CAN.