ATSAMD20E16B-MU

ATSAMD20E16B-MU is Microchip’s SAM D20 family 32‑bit microcontroller (ARM Cortex‑M0+) designed for small, low‑power embedded apps. It runs up to 48 MHz and targets compact, battery‑powered devices.
Key features:
- 16 KB Flash memory and 4 KB SRAM (E16B variant).
- Peripherals: SERCOM blocks for SPI/I2C/UART, a 12‑bit ADC, timers and PWM.
- Clocking and power management suitable for low‑power operation with multiple sleep modes.
- USB Full‑Speed support on many SAM D20 parts (verify for this exact package).
Package:
- MU suffix indicates a compact, small-footprint package; check the datasheet for exact pinout and package type.
Applications:
- Small controllers, USB peripherals, sensors, wearables, and other space‑constrained devices.
Note: Always confirm exact memory, peripherals, and USB availability for this specific variant in the official datasheet.

ATSAMD20E16B-MU is a small, low-power ARM Cortex‑M0+ MCU in a 28‑pin MU package. Key features:
- Core and speed: 32‑bit ARM Cortex‑M0+ up to 48 MHz
- Memory: 16 KB Flash, 4 KB SRAM
- USB: USB 2.0 Full‑Speed device support
- Serial peripherals: Four SERCOM modules (configurable as UART, SPI, I2C)
- Analog: 12‑bit ADC with multiple input channels
- Timers: Four 16‑bit Timer/Counter units plus RTC
- DMA and events: DMA controller and Event System for peripheral-to-peripheral interconnect
- Power and clock: 1.62–3.63 V operation; internal oscillators with 32.768 kHz RTC clock
- Low power: Various sleep modes and brown‑out/POR protection
- Boot: On‑chip boot ROM with bootloader support
- I/O: GPIOs suitable for 28‑pin package
This combination makes it suitable for compact, USB-enabled, low‑power applications with basic analog sensing and multiple communication interfaces.

- Pin count: 32 pins (QFN package, MU suffix)
- Function: Microcontroller unit (MCU) from Microchip/Atmel SAM D20 family, ARM Cortex-M0+ core, used for embedded control with on-chip Flash/RAM and peripherals (I/O, SERCOM, USB in many variants).

- Manufacturer: Microchip Technology Inc.
- What kind of company: A US-based multinational semiconductor company that designs, manufactures, and sells microcontrollers and analog ICs (embedded processing solutions). It acquired Atmel in 2016 and is known for MCUs (PIC, AVR, SAM) and related software.

Key application areas for the ATSAMD20E16B-MU:
- USB-enabled devices and peripherals (USB full‑speed device: HID, CDC/serial, MIDI, etc.)
- Battery-powered IoT sensors, wearables, and portable instruments
- Small consumer electronics (remote controls, meters, keyboards/mice, handheld gadgets)
- Industrial sensing and simple monitoring/control interfaces
- Prototyping, development boards, and educational projects needing USB and low power
These emphasize low cost, low power, and USB connectivity for compact embedded systems.

A 32‑pin QFN package (5×5 mm, 0.8 mm pitch). The MU suffix denotes the 32‑lead QFN option for ATSAMD20E16B.