ATSAMD20E15B-MUT - 48MHz Cortex-M0+ MCU 32KB Flash | Microchip
Teilenummer: ATSAMD20E15B-MUT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $2.95 | $2,95 |
| 10 | $2.66 | $26,60 |
| 100 | $2.34 | $234,00 |
| 500 | $2.05 | $1.025,00 |
| 1.000 | $1.85 | $1.850,00 |
| 3.000 | $1.62 | $4.860,00 |
ATSAMD20E15B-MUT Übersicht
A microcontroller (MCU) is a single-chip computer that integrates a processor core, program memory (Flash), working memory (SRAM), and a rich set of peripherals into one IC. The Cortex-M0+ is ARM's smallest and most energy-efficient core, optimized for deterministic interrupt response and minimal die area. Within the broader hierarchy, the ATSAMD20E15B-MUT is a 32-bit MCU -> ARM Cortex-M microcontroller -> embedded microcontroller -> integrated circuit. Compared to legacy 8-bit MCUs such as PIC16, it delivers substantially higher computational throughput, more deterministic interrupt latency, and full 32-bit Thumb-2 instruction support.
Key features include 48 MHz maximum CPU clock, 32 KB Flash, 4 KB SRAM, up to 6 SERCOM (serial communication) interfaces configurable as UART/SPI/I2C, a 12-bit 350 ksps ADC with up to 10 channels, a 10-bit DAC, and the Peripheral Touch Controller supporting buttons, sliders, wheels, and proximity sensors. The device operates from 1.62 V to 3.63 V and offers multiple low-power sleep modes with sub-microamp deep-sleep current, enabling battery-powered designs.
The ATSAMD20E15B-MUT leverages the Cortex-M0+ single-cycle IO bus for deterministic GPIO access and the Microchip Event System for inter-peripheral signaling without CPU intervention. Hardware cryptographic and true-random-number peripherals are not present on this device; security-sensitive applications should consider the SAML11 or SAME54 families instead.
Typical applications include capacitive touch user interfaces for appliances, smart home sensor nodes, low-cost industrial control modules, battery-powered metering devices, and consumer wearables. The integrated PTC dramatically reduces BOM cost by eliminating mechanical buttons.
When designing with this part, allocate the PTC pins to dedicated GPIO to avoid crosstalk with ADC inputs, and follow the SAM D20 datasheet reference decoupling network (1x 100 nF + 1x 4.7 uF) within 3 mm of the VDD pins to meet the noise floor of the 12-bit ADC.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the standalone manufacturer datasheet.
Drop-in-Alternativen für ATSAMD20E15B-MUT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAMD20E15B-MUT (gleiche Bauform und Footprint) – abweichend in ADC, Package, Operating Temperature, SRAM, Core.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAMD20E16B-MUT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAMD20E14B-MUT
✅ Drop-In✓ Auf Lager
$0.95 / Stück
Datenblatt ansehen →ATSAMD20E15B-AUT
✅ Drop-In✓ Auf Lager
$2.52 / Stück
Datenblatt ansehen →ATSAMD20E15B-MU
✅ Drop-In✓ Auf Lager
$1.1 / Stück
Datenblatt ansehen →ATSAMD20E17B-MUT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAMD20E15B-MUT Grenzwerte & elektrische Eigenschaften
| Core | ARM Cortex-M0+ (32-bit) |
| Maximum CPU Frequency | 48 MHz |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 4 KB |
| Operating Voltage Range | 1.62 V to 3.63 V |
| Gehäuse | 32-pin VQFN (5x5 mm) |
| Montageart | Surface Mount |
| Betriebstemperatur | -40C to +85C (Industrial) |
| SERCOM Interfaces | Up to 6 (configurable UART/SPI/I2C) |
| ADC | 12-bit, up to 350 ksps, up to 10 channels |
| DAC | 10-bit, 1 channel |
| Peripheral Touch Controller (PTC) | Yes (buttons, sliders, wheels, proximity) |
| Timers/Counters | TC x 3, TCC x 1, RTC x 1 |
| GPIO | Up to 26 |
| RoHS-Status | Compliant |
ATSAMD20E15B-MUT 32-pin vqfn (5x5 mm) Pinbelegungsleitfaden
Pinbelegung für ATSAMD20E15B-MUT (32-pin vqfn (5x5 mm)-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für ATSAMD20E15B-MUT.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
ATSAMD20E15B-MUT ist geeignet für 6 Anwendungs: Capacitive Touch HMI for Home Appliances, Smart Home Sensor Node (Zigbee/BLE gateway endpoint), Industrial Metering and Data Logger, Consumer Wearable Fitness Tracker, Low-Cost Industrial Control Module (PLC I/O expansion), Battery-Powered IoT Beacon or Asset Tracker.
Capacitive Touch HMI for Home Appliances
The ATSAMD20E15B-MUT's integrated Peripheral Touch Controller (PTC) supports buttons, sliders, wheels, and proximity sensing without external touch ICs, enabling BOM cost reduction in washing machines, induction cooktops, and microwave ovens. With 48 MHz Cortex-M0+ throughput and 32 KB Flash, the MCU can drive a touch UI plus a small TFT or segment LCD while handling motor control via the TCC timer. The 12-bit ADC samples potentiometer or temperature inputs for closed-loop cooking control, and the six SERCOM ports expose UART to the main controller and I2C to EEPROM. Industrial -40C to +85C range guarantees operation inside hot appliance enclosures.
Empfohlen
Smart Home Sensor Node (Zigbee/BLE gateway endpoint)
The ATSAMD20E15B-MUT's six configurable SERCOM interfaces let one MCU host a UART-attached Zigbee or BLE module while serving as the application processor for temperature, humidity, and occupancy sensors. The 1.62 V to 3.63 V operating range and sub-microamp deep-sleep modes enable coin-cell battery operation for 3-5 years. The 12-bit ADC with internal bandgap reference delivers accurate battery-voltage monitoring for low-battery alerts. The Cortex-M0+ core plus 4 KB SRAM is sufficient for Zigbee 3.0 endpoint or BLE beacon firmware without RTOS overhead, and the 32 KB Flash fits full-stack profiles.
Empfohlen
Industrial Metering and Data Logger
For electricity, water, or gas meters, the ATSAMD20E15B-MUT provides the 12-bit ADC resolution and 350 ksps throughput needed to sample CT or Hall-effect current sensors at 4 kHz while the Cortex-M0+ core performs RMS and energy calculations. The RTC with 32.768 kHz crystal support maintains time-of-use metering across power interruptions, and the 32 KB Flash stores 90+ days of 15-minute interval logs in the 4 KB SRAM plus external EEPROM. The wide -40 C to +85 C industrial range is required for outdoor cabinet installations, and the integrated touch controller enables tamper-detect cover switches without mechanical wear.
Empfohlen
Consumer Wearable Fitness Tracker
The ATSAMD20E15B-MUT's compact 5x5 mm VQFN package, low-power sleep modes, and integrated peripherals make it suitable for compact wrist-worn fitness bands. The 12-bit ADC reads optical heart-rate sensor signals from a PPG photodiode, the 10-bit DAC drives LED brightness for pulse oximetry, and the six SERCOM ports connect to BLE SoCs, IMUs, and SPI displays. Deep-sleep current below 1 uA extends battery life to 7+ days on a 100 mAh Li-Po cell. The 32 KB Flash accommodates the BLE profile stack plus heart-rate algorithm, while 4 KB SRAM is sufficient for sensor fusion buffers.
Empfohlen
Low-Cost Industrial Control Module (PLC I/O expansion)
As an I/O expansion slice for a larger PLC or distributed control system, the ATSAMD20E15B-MUT provides 6 SERCOM ports (UART/SPI/I2C) for fieldbus connectivity (Modbus RTU, CAN, RS-485), 26 GPIO for digital inputs and outputs, and the 12-bit ADC for analog sensor reading. The -40 C to +85 C industrial temperature range and 3.3 V tolerance on 5 V tolerant GPIO (with external clamping) suits factory floor installations. The 32 KB Flash holds Modbus stack plus custom logic, and the TCC timer generates PWM for valve or motor control.
Empfohlen
Battery-Powered IoT Beacon or Asset Tracker
In asset tracking or proximity beacon designs, the ATSAMD20E15B-MUT spends 99% of its time in deep-sleep below 1 uA and wakes periodically to broadcast BLE advertisements or read sensors. The Cortex-M0+ executes the wake-up sequence in microseconds thanks to the zero-latency NVIC, and the 32 KB Flash stores full BLE beacon firmware including iBeacon, Eddystone, or custom protocols. The RTC maintains time stamping across sleep cycles. Wide voltage operation down to 1.62 V allows direct connection to nearly-depleted single-cell Li-ion or alkaline packs.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAMD20E15B-MUT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ATSAMD20E16B-MUT | ATSAMD20E14B-MUT | ATSAMD20E17B-MUT | ATSAMD20E15B-AUT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-pin VQFN (5x5 mm) | 32-pin VQFN (5x5 mm) - same | 32-pin VQFN (5x5 mm) - same | 32-pin VQFN (5x5 mm) - same | 32-pin VQFN (5x5 mm) - same |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 32 KB | 64 KB (+100%) | 16 KB (-50%) | 128 KB (+300%) | 32 KB (identical) |
| SRAM | 4 KB | 8 KB | 2 KB | 16 KB | 4 KB |
| Operating Voltage | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Automotive Grade (AEC-Q100) | No | No | No | No | Yes |
| Temperature Range | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +125C (Automotive Grade 1) |
Wichtigste Unterscheidungsmerkmale
- Integrated Peripheral Touch Controller eliminates external touch IC (vs. ATSAMD20E14B-MUT (lower-Flash variant in same package))
- Automotive grade option available in same footprint (vs. ATSAMD20E15B-AUT (Q1 automotive variant))
- 6 SERCOM interfaces provide maximum configuration flexibility (vs. ATSAMD20E14B-MUT (same die, lower Flash))
Designhinweise
Estimated: the ATSAMD20E15B-MUT draws roughly 7 mA active at 48 MHz, 1.5 mA at 8 MHz, and below 1 uA in deep-sleep with RTC running. For battery-powered designs, place the MCU in deep-sleep immediately after peripheral servicing and wake via RTC compare or external interrupt. Use the integrated DC-DC converter (where applicable on D20 family) versus the LDO mode for 30-50% active current reduction, but ensure the inductor selection meets datasheet section on DC-DC component requirements (typically 4.7 uH shielded, low DCR).
Place one 100 nF X7R decoupling capacitor within 3 mm of each VDD pin, plus a single shared 4.7 uF bulk capacitor near the package. The exposed pad (EP) of the 32-VQFN must be soldered to a continuous ground plane with at least 8 thermal vias to the inner ground layer for heat dissipation. Avoid routing signal traces beneath the package; the EP is the primary thermal and electrical reference. Keep crystal traces short and symmetric; for HSE use a load capacitor pair matched to the crystal CL specification (typically 8-12 pF).
Do not exceed 3.63 V on any GPIO; the SAM D20 is NOT 5 V tolerant. Use external level shifters (e.g., TXB0108) when interfacing to 5 V logic. The peripheral touch controller pins (PTC) are multiplexed with GPIO and ADC; avoid assigning PTC channels to ADC inputs in the same bank to prevent crosstalk. When migrating from ATSAMD20E15B-MUT to ATSAMD20E14B-MUT for cost reduction, verify that your firmware image is below 16 KB and that no code is allocated to the upper Flash half; otherwise linker errors will occur at build time.
Compliance-Informationen
RoHS compliant per Microchip product page. The -AUT variant is AEC-Q100 Grade 1 qualified for automotive. Standard -MUT is industrial grade only. Halogen-free status not explicitly stated in verified data.
