< > [Programming](../index.html) > MCU
##MCU
ATmega328/P
<p align="center">
<img src="ATmega328_P.png" width="50%" height="50%">
<br>
[Block Diagram](http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-42735-8-bit-AVR-Microcontroller-ATmega328-328P_Datasheet.pdf)
</p>
##SoC
System-on-Chip a chip with 1 or more processing cores, an MCU with more peripherals onboard functionalities.
<p align="center">
<img src="psco6.png" width="50%" height="50%">
<br>
[PSoC 6 Dual-Core MCU Architecture](http://www.cypress.com/products/32-bit-arm-cortex-m4-psoc-6)
</p>
##DSP
Digital Signal Processor is an MCU designed to process digital signal such as audio, image, etc.
<p align="center">
<img src="dsp.png" width="50%" height="50%">
<br>
Basic Diagram
</p>
##PLC
Programmable Logic Controller is an industrial digital computer to control manufacturing with high reliability and diagnosis.
<p align="center">
<img src="PLC.jpg" width="50%" height="50%">
<br>
Basic Diagram
</p>
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