System on a chip SoC : R8A66983BG
System on a chip SoC
A system on a chip or system on chip (SoC or SOC) is an integrated circuit (commonly called a "chip") that integrates all components of a computer or other electronic system. It may contain digital, analog, mixed-signal, and often radio-frequency functions—all on a single substrate. SoCs are very common in the mobile computing market because of their low power-consumption. A typical application is in the area of embedded systems.
The contrast with a microcontroller, SoC integrates microcontroller (or microprocessor) with advanced peripherals like graphics processing unit (GPU), Wi-Fi module or coprocessor.
A typical SoC consists of:
a microcontroller, microprocessor or digital signal processor (DSP) core – multiprocessor SoCs (MPSoC) having more than one processor core
memory blocks including a selection of ROM, RAM, EEPROM and flash memory
timing sources including oscillators and phase-locked loops
peripherals including counter-timers, real-time timers and power-on reset generators
external interfaces, including industry standards such as USB, FireWire, Ethernet, USART, SPI
analog interfaces including ADCs and DACs
voltage regulators and power management circuits
A bus – either proprietary or industry-standard such as the AMBA bus from ARM Holdings – connects these blocks. DMA controllers route data directly between external interfaces and memory, bypassing the processor core and thereby increasing the data throughput of the SoC.
System on a chip SoC
A system on a chip or system on chip (SoC or SOC) is an integrated circuit (commonly called a "chip") that integrates all components of a computer or other electronic system. It may contain digital, analog, mixed-signal, and often radio-frequency functions—all on a single substrate. SoCs are very common in the mobile computing market because of their low power-consumption. A typical application is in the area of embedded systems.
The contrast with a microcontroller, SoC integrates microcontroller (or microprocessor) with advanced peripherals like graphics processing unit (GPU), Wi-Fi module or coprocessor.
A typical SoC consists of:
a microcontroller, microprocessor or digital signal processor (DSP) core – multiprocessor SoCs (MPSoC) having more than one processor core
memory blocks including a selection of ROM, RAM, EEPROM and flash memory
timing sources including oscillators and phase-locked loops
peripherals including counter-timers, real-time timers and power-on reset generators
external interfaces, including industry standards such as USB, FireWire, Ethernet, USART, SPI
analog interfaces including ADCs and DACs
voltage regulators and power management circuits
A bus – either proprietary or industry-standard such as the AMBA bus from ARM Holdings – connects these blocks. DMA controllers route data directly between external interfaces and memory, bypassing the processor core and thereby increasing the data throughput of the SoC.
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