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The first multi-chip microprocessors, the Four-Phase Systems AL1 in 1969 and the Garrett AiResearch MP944 in 1970, were developed with multiple MOS LSI chips. The first single-chip microprocessor was the Intel 4004, released on a single MOS LSI chip in 1971.
Microprocessor control of a system can provide control strategies that would be impractical to implement using electromechanical controls or purpose-built electronic controls. For example, an internal combustion engine's control system can adjust ignition timing based on engine speed, load, temperature, and any observed tendency for knocking ...
While Arm is a fabless semiconductor company (it does not manufacture or sell its own chips), it licenses the ARM architecture family design to a variety of companies. Those companies in turn sell billions of ARM-based chips per year—12 billion ARM-based chips shipped in 2014, [1] about 24 billion ARM-based chips shipped in 2020, [2] some of those are popular chips in their own right.
Because an embedded system typically controls physical operations of the machine that it is embedded within, it often has real-time computing constraints. Embedded systems control many devices in common use. [3] In 2009, it was estimated that ninety-eight percent of all microprocessors manufactured were used in embedded systems.
Game Boy Advance, Nintendo DS, Nintendo DSi, Apple iPod, Lego NXT, Juice Box, Garmin Navigation Devices (1990s – early 2000s) ARM710T: Psion Series 5mx, Psion Revo/Revo Plus/Diamond Mako ARM720T: NXP Semiconductors LH7952x: Zipit Wireless Messenger: StrongARM: Digital SA-110, SA-1100, SA-1110 SA-110
Protective relay is an example of an intelligent electronic device. In the electric power industry, an intelligent electronic device (IED) is an integrated microprocessor-based controller of power system equipment, such as circuit breakers, transformers and capacitor banks. [1]
Example: AVR128DA64 – 64-pin DA-series with 128k flash. All devices in the AVR Dx family include: an Async Type D timer that can run faster than the CPU; 12-bit ADC; 10-bit DAC; AVR DA-series (early 2020) – The high memory density makes these MCUs well suited for both wired and wireless communication-stack-intensive functions.
PIC10F32x devices feature a mid-range 14-bit wide code memory of 256 or 512 words, a 64-byte SRAM register file, and an 8-level deep hardware stack. These devices are available in 6-pin SMD and 8-pin DIP packages (with two pins unused). One input only and three I/O pins are available. A complex set of interrupts are available.