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32-bit and 64-bit PowerPC processors have been a favorite of embedded computer designers. To keep costs low on high-volume competitive products, the CPU core is usually bundled into a system-on-chip (SOC) integrated circuit.
Parallax Propeller – a multi-core microcontroller with eight 32-bit RISC cores; Parallella – single-board computer with a manycore coprocessor and field-programmable gate array (FPGA) Pinebook – Notebook from Pine64; SparkFun Electronics – microcontroller development boards, breakout boards; The Bus Pirate – universal bus interface ...
PA-7000 PA-RISC Version 1.0 (32-bit) PA-7100 ... PA-7150; PA-7200; PA-7300LC; PA-8000 PA-RISC Version 2.0 (64-bit) PA-8200; PA-8500 ... Toshiba TLCS microcontrollers ...
The M·CORE-based RISC microcontrollers are 32 bit processors specifically designed for low-power electronics. [7] M·CORE processors, like 68000 family processors, have a user mode and a supervisor mode, and in user mode both see a 32 bit PC and 16 registers, each 32 bits.
These microcontrollers were originally developed by Cygnal. In 2012, the company introduced ARM-based mixed-signal MCUs with very low power and USB options, supported by free Eclipse-based tools. The company acquired Energy Micro in 2013 and now offers a number of ARM-based 32-bit microcontrollers. 8-bit C8051; EFM8 series; 32-bit ARM Cortex-M0 ...
Intel 8020 – Single-Component 8-bit Microcontroller, 1 KB ROM, 64 Byte RAM, 13 I/O ports; Intel 8021 – Single-Component 8-bit Microcontroller, 1 KB ROM, 64 Byte RAM, 21 I/O ports; Intel 8022 – Single-Component 8-bit Microcontroller, With On-Chip A/D Converter; Intel 8035 – Single-Component 8-bit Microcontroller, 64 Byte RAM
Alpha (original name Alpha AXP) is a 64-bit reduced instruction set computer (RISC) instruction set architecture (ISA) developed by Digital Equipment Corporation (DEC). Alpha was designed to replace 32-bit VAX complex instruction set computers (CISC) and to be a highly competitive RISC processor for Unix workstations and similar markets.
The designs were guided, in part, by software architect Earl Killian who designed the MIPS III 64-bit instruction-set extension, and led the work on the R4000 microarchitecture. [2] [3] In 1991 MIPS released the first 64-bit microprocessor, the R4000. However, MIPS had financial difficulties while bringing it to market.