ATSAMD20E15B-MUT - 48MHz Cortex-M0+ MCU 32KB Flash | Microchip
Référence : ATSAMD20E15B-MUT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 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 Présentation
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.
Alternatives de remplacement direct pour ATSAMD20E15B-MUT — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAMD20E15B-MUT (même facteur de forme et même empreinte) — différant par ADC, Package, Operating Temperature, SRAM, Core.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAMD20E16B-MUT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATSAMD20E14B-MUT
✅ Remplacement direct✓ En stock
$0.95 / unité
Voir la fiche technique →ATSAMD20E15B-AUT
✅ Remplacement direct✓ En stock
$2.52 / unité
Voir la fiche technique →ATSAMD20E15B-MU
✅ Remplacement direct✓ En stock
$1.1 / unité
Voir la fiche technique →ATSAMD20E17B-MUT
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATSAMD20E15B-MUT Valeurs maximales et caractéristiques électriques
| 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 |
| Boîtier | 32-pin VQFN (5x5 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -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 |
| Statut RoHS | Compliant |
Guide de configuration des broches du ATSAMD20E15B-MUT 32-pin vqfn (5x5 mm)
Configuration des broches du ATSAMD20E15B-MUT (boîtier 32-pin vqfn (5x5 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour ATSAMD20E15B-MUT.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
ATSAMD20E15B-MUT convient pour 6 applications: 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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
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.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAMD20E15B-MUT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | 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) |
Principaux différenciateurs
- 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))
Notes de conception
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.
Informations de conformité
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.
