Inside an MCUWhat a microcontroller contains beyond the processor core, block by block.Electrical EngineeringA CPU surrounded by the peripherals that make it worth using.Core and memoryA CPU core, often an ARM Cortex-MFlash holds code and constantsSRAM holds variables and the stackA clock tree, internal or crystal fedReset and brown-out supervisionPeripheralsGPIO ports with alternate functionsTimers for counting, capture and PWMAn ADC, and sometimes a DACUART, SPI and I2C serial blocksInterrupt controller and DMA enginePeripherals run independently of the core, and most low-power designis about letting them work while the CPU sleeps.Inside an MCUlearnposters.com
Inside an MCU — printable engineering wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Inside an MCU poster

10 entries in 2 groups.

A CPU surrounded by the peripherals that make it worth using.

Peripherals run independently of the core, and most low-power design is about letting them work while the CPU sleeps.

Questions about the Inside an MCU poster

What’s on the Inside an MCU poster?
10 entries in 2 groups. A CPU surrounded by the peripherals that make it worth using. Core and memory: A CPU core, often an ARM Cortex-M, Flash holds code and constants, S…; Peripherals: GPIO ports with alternate functions, Timers for counting, capture and PW…. Peripherals run independently of the core, and most low-power design is about letting them work while the CPU sleeps.
Who is the Inside an MCU poster for?
Inside an MCU belongs to the Electrical Engineering section rather than to a school year, because engineering is not something one grade owns. Anyone learning embedded systems can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Inside an MCU poster?
Use it to map a datasheet's block diagram onto the parts you actually configure. A wall chart earns its place by being glanceable from where the work is happening, so Inside an MCU belongs on the wall where that engineering work actually happens, within glancing distance, rather than filed away.
What other posters go with Inside an MCU?
ADC Resolution, Driving Loads and GPIO & Pull Resistors sit alongside Inside an MCU in the Electrical Engineering section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.ADC ResolutionDriving LoadsGPIO & Pull Resistors
Is the Inside an MCU poster free to download and print?
Yes. Inside an MCU downloads as a free PDF with no account, no email and no watermark, like everything else in the Electrical Engineering section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Inside an MCU poster print at?
Inside an MCU is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Inside an MCU loses nothing.Printing guide

Related posters

Charts that sit alongside Inside an MCU on the same wall.

Browse every Electrical Engineering poster, or start from the full catalogue.