ATSAML10E14A-AU - Cortex-M23 MCU 16KB Flash 32MHz | Microchip
Teilenummer: ATSAML10E14A-AU ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $3.11 | $3,11 |
| 10 | $2.84 | $28,40 |
| 100 | $2.51 | $251,00 |
| 500 | $2.22 | $1.110,00 |
| 1.000 | $1.95 | $1.950,00 |
ATSAML10E14A-AU Übersicht
A microcontroller (MCU) is a single-chip computer that combines a CPU core, memory (Flash and SRAM), and programmable peripherals. The ATSAML10E14A-AU uses the ARM Cortex-M23 core, the smallest and most energy-efficient implementation of the Armv8-M architecture, designed for deeply embedded applications that need deterministic interrupt response at very low active current. Within the broader taxonomy, the ATSAML10E14A-AU sits at: microcontroller -> 32-bit MCU -> ARM Cortex-M microcontroller -> low-power MCU -> SAM L10 family -> industrial/IoT edge node class.
Key features of the ATSAML10E14A-AU include an enhanced peripheral touch controller (PTC) for capacitive sensing, a 12-bit ADC, multiple SERCOM (serial communication) interfaces that can be configured as UART, SPI, or I2C, an ISO 7816 smart-card interface, a hardware event system for inter-peripheral signalling without CPU wake-up, and SleepWalking peripherals that wake the CPU only when meaningful events occur. The device operates from 1.62 V to 3.63 V and supports industrial temperature grade (-40C to +85C, denoted by the trailing "A" in the part number).
Architecturally, the ATSAML10E14A-AU leverages a low-leakage process, multiple power domains, and aggressive clock gating to achieve sub-uA deep-sleep currents. The Cortex-M23 core includes a single-cycle hardware divide and TrustZone-M ready hooks, while the SAM L11 (not L10) adds full TrustZone for Armv8-M security partitioning. Designers benefit from the event system and SleepWalking because they let a sensor be polled while the CPU stays asleep, dramatically reducing average system power.
Typical applications include battery-powered IoT sensor nodes, wearable health monitors, smart cards and secure token readers (using the ISO 7816 interface), low-power wireless sensor end-nodes paired with sub-GHz or BLE transceivers, home automation touch-button panels, and industrial metering endpoints where multi-year battery life is required. The wide operating voltage also makes the part attractive as a companion MCU for energy-harvesting designs.
When designing with this device, prioritise low-power modes from day one: route all wake-up sources through the event system, use SleepWalking for peripheral-triggered wake, and select the lowest-power oscillator that still meets timing. The 32-pin TQFP footprint is hand-solder friendly and is supported by the Microchip MPLAB X IDE, MCC code generator, and the Atmel START / Microchip Studio toolchains.
This page synthesises distributor pricing, verified drop-in alternatives from the same Microchip SAM L10/L11 family, and practical design notes that go beyond what is printed in the manufacturer datasheet, helping engineers select, source, and program the ATSAML10E14A-AU with confidence.
Drop-in-Alternativen für ATSAML10E14A-AU – 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 ATSAML10E14A-AU (gleiche Bauform und Footprint) – abweichend in Operating Temperature, ADC, Package, SRAM, Core.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAML10E15A-AU
✅ Drop-In✓ Auf Lager
$1.92 / Stück
Datenblatt ansehen →ATSAML10E16A-AU
✅ Drop-In✓ Auf Lager
$2.07 / Stück
Datenblatt ansehen →ATSAML10D16A-MFT
✅ Drop-In✓ Auf Lager
$1.7 / Stück
Datenblatt ansehen →ATSAML10E14A-AUT
✅ Drop-In✓ Auf Lager
$1.68 / Stück
Datenblatt ansehen →ATSAML10E14A-MFT
✅ Drop-In📋 Referenzalternative (nicht im Katalog)
ATSAML11E16A-AU
✅ Drop-In✓ Auf Lager
$2.78 / Stück
Datenblatt ansehen →ATSAML10E14A-AU Grenzwerte & elektrische Eigenschaften
| Core | ARM Cortex-M23 (32-bit, Armv8-M) |
| Maximum CPU Clock | 32 MHz |
| Flash Program Memory | 16 KB |
| SRAM | 4 KB |
| Gehäuse | 32-pin TQFP (7x7 mm) |
| Operating Voltage (VDD) | 1.62 V to 3.63 V |
| Active Current | < 25 uA/MHz |
| Sleep Current (full SRAM retention) | < 100 nA |
| Betriebstemperatur | -40C to +85C (Industrial, suffix "A") |
| ADC | 12-bit SAR |
| Serial Communication (SERCOM) | Configurable as UART/SPI/I2C (see datasheet for exact count) |
| Touch Controller | Enhanced Peripheral Touch Controller (PTC) |
| Smart Card Interface | ISO 7816 |
| Event System | Yes (inter-peripheral signalling, SleepWalking) |
| Montageart | Surface Mount (Tape & Reel or Tray per suffix) |
| RoHS-Status | Compliant |
ATSAML10E14A-AU Pin-Konfiguration
| Pin 1 | VDDIO — Digital I/O supply voltage |
| Pin 2 | PA02 — GPIO / SERCOM0 / ADC input (shared, see datasheet) |
| Pin 3 | PA03 — GPIO / SERCOM0 |
| Pin 4 | GND — Ground |
| Pin 5 | PA04 — GPIO / SERCOM0 |
| Pin 6 | PA05 — GPIO / SERCOM0 |
| Pin 7 | PA06 — GPIO / SERCOM0 / ADC input |
| Pin 8 | PA07 — GPIO / SERCOM0 / ADC input |
| Pin 9 | VDDIO — Digital I/O supply voltage |
| Pin 10 | GND — Ground |
| Pin 11 | PA08 — GPIO / SERCOM0 / PTC XY |
| Pin 12 | PA09 — GPIO / SERCOM0 / PTC XY |
| Pin 13 | PA10 — GPIO / SERCOM0 / PTC XY |
| Pin 14 | PA11 — GPIO / SERCOM0 / PTC XY |
| Pin 15 | PA14 — GPIO / SERCOM2 / PTC XY |
| Pin 16 | PA15 — GPIO / SERCOM2 / PTC XY |
| Pin 17 | PA16 — GPIO / SERCOM1 / PTC XY |
| Pin 18 | PA17 — GPIO / SERCOM1 / PTC XY |
| Pin 19 | PA18 — GPIO / SERCOM1 / PTC XY |
| Pin 20 | PA19 — GPIO / SERCOM1 / PTC XY |
| Pin 21 | PA22 — GPIO / SERCOM3 / ISO7816 I/O |
| Pin 22 | PA23 — GPIO / SERCOM3 / ISO7816 I/O |
| Pin 23 | PA24 — GPIO / SERCOM3 |
| Pin 24 | PA25 — GPIO / SERCOM3 |
| Pin 25 | RESET — Active-low reset input |
| Pin 26 | SWDIO — Serial Wire Debug I/O |
| Pin 27 | SWCLK — Serial Wire Debug clock |
| Pin 28 | GND — Ground |
| Pin 29 | VDD — Core supply voltage |
| Pin 30 | VDDIO — Digital I/O supply voltage |
| Pin 31 | PA30 — GPIO / SERCOM1 / XIN (32.768 kHz crystal) |
| Pin 32 | PA31 — GPIO / SERCOM1 / XOUT (32.768 kHz crystal) |
Typische Anwendungen
ATSAML10E14A-AU ist geeignet für 7 Anwendungs: Battery-Powered IoT Sensor Node, Smart Card and Secure Token Reader, Wearable Health and Fitness Monitor, Touch Button / Capacitive Keypad Panel, Industrial Metering and Remote Monitoring, Energy-Harvesting Wireless Sensor End-Node, Home Automation Hub Sensor Leaf.
Battery-Powered IoT Sensor Node
The ATSAML10E14A-AU fits battery-powered IoT sensor nodes thanks to its <25 uA/MHz active current and <100 nA deep-sleep with full SRAM retention. With Cortex-M23 at 32 MHz the device can run an MQTT-SN or LoRaWAN stack while still meeting multi-year CR2032 coin-cell life targets. SleepWalking peripherals allow the ADC and SERCOM to wake the CPU only on a meaningful threshold-crossing, avoiding continuous polling. This combination makes the ATSAML10E14A-AU a strong drop-in choice for distributed wireless sensor networks where every microamp matters.
Empfohlen
Smart Card and Secure Token Reader
The ATSAML10E14A-AU integrates an ISO 7816 smart-card interface that directly handles the electrical protocol, ATR parsing, and T=0/T=1 transmission without an external bridge IC. Its 16 KB Flash and 4 KB SRAM are sufficient to embed a small PKI applet or NFC peer-to-peer stack, and the Cortex-M23 core executes deterministic crypto routines in tens of microseconds. Combined with the device's low active current, designers can build USB-powered or battery-powered readers that consume minimal standby power while waiting for card insertion.
Empfohlen
Wearable Health and Fitness Monitor
Wearable health monitors demand extreme energy efficiency because the device spends most of its time in standby while still needing on-demand sensor reads. The ATSAML10E14A-AU delivers sub-100 nA sleep current with full SRAM retention, so the device can keep its BLE state machine context and immediately resume without re-initialising after each wake. The 12-bit ADC captures optical PPG or bio-impedance signals, and the enhanced Peripheral Touch Controller (PTC) supports reliable swipe and tap gestures through low-cost PCB electrodes. Wearable OEMs benefit from the 32-TQFP's small 7x7 mm footprint and Microchip's longevity program, which guarantees multi-year supply continuity for medical and fitness SKUs.
Empfohlen
Touch Button / Capacitive Keypad Panel
Home automation control panels, white-goods front panels, and industrial HMI keypads rely on capacitive touch sensing that must work through glass or plastic overlays. The ATSAML10E14A-AU integrates Microchip's enhanced Peripheral Touch Controller (PTC) with both self-capacitance and mutual-capacitance acquisition, plus a driven-shield feature for water-tolerant designs. The Cortex-M23 core handles gesture recognition, debounce, and serial uplinks while the part's <25 uA/MHz active draw keeps wall-powered and battery-powered panels in the same low-power league.
Empfohlen
Industrial Metering and Remote Monitoring
Smart electricity, gas, and water meters often run from a single lithium primary cell for 10+ years, so the MCU must be exceptionally frugal in deep sleep while still waking periodically to drive an LCD or capture a pulse train. The ATSAML10E14A-AU consumes less than 100 nA with full SRAM retention, allowing the metering firmware to keep RTC and pulse counters alive without external RTC chips. Its event system can trigger ADC acquisition from a sensor interrupt, allowing fully autonomous measurements that never wake the CPU, dramatically lowering average current and extending battery life.
Empfohlen
Energy-Harvesting Wireless Sensor End-Node
Energy-harvesting designs (solar, vibration, thermal-gradient) operate from sub-mW average power budgets and demand the lowest quiescent current possible. The ATSAML10E14A-AU's sub-100 nA deep-sleep current keeps the harvested energy reservoir from being drained by the MCU itself, and its 1.62 V minimum VDD allows direct connection to a single-cell harvested supply without boost circuitry. Designers pair it with sub-GHz or BLE transceivers that also enter deep sleep, waking only on scheduled or event-driven interrupts from the Cortex-M23's event fabric. This architecture lets the ATSAML10E14A-AU support maintenance-free IoT nodes in industrial environments.
Empfohlen
Home Automation Hub Sensor Leaf
Smart-home sensor leaves (door/window contact, occupancy, leak, temperature) are battery-powered and require many years of life on a single coin cell. The ATSAML10E14A-AU is well suited here because of its sub-100 nA sleep current with full SRAM retention and its 25 uA/MHz active figure, allowing infrequent but reliable RF transmissions. The enhanced Peripheral Touch Controller supports hidden capacitive wake-up inputs on door/window sensors, and the SERCOM peripherals handle sub-GHz or BLE host uplinks. The 32-TQFP footprint fits easily inside the small form factors required by retrofit smart-home devices.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAML10E14A-AU – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ATSAML10E15A-AU | ATSAML10E16A-AU | ATSAML10D16A-MFT | ATSAML10E14A-AUT | ATSAML10E14A-MFT | ATSAML11E16A-AU |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same |
| Core | ARM Cortex-M23 (32-bit) | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 with TrustZone-M |
| Max CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 16 KB | 32 KB (+100%) | 64 KB (+300%) | 64 KB (+300%) | 16 KB (same) | 16 KB (same) | 64 KB (+300%) |
| SRAM | 4 KB | 4 KB | 8 KB (+100%) | 8 KB (+100%) | 4 KB | 4 KB | 8 KB (+100%) |
| 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 | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Automotive -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C |
| TrustZone-M Security | No (SAM L10) | No (SAM L10) | No (SAM L10) | No (SAM L10) | No (SAM L10) | No (SAM L10) | Yes (SAM L11) |
Wichtigste Unterscheidungsmerkmale
- Industry-leading sub-100 nA deep-sleep current with full SRAM retention (vs. Generic Cortex-M0+ MCU)
- Integrated ISO 7816 smart-card interface on a Cortex-M23 MCU (vs. SAM L11 (which adds TrustZone))
- SleepWalking peripherals and event system wake CPU only on real events (vs. Polled low-power MCU architectures)
- Pin-compatible upgrade path to 32 KB / 64 KB Flash and to SAM L11 TrustZone (vs. Fixed-configuration Cortex-M23 MCUs)
Designhinweise
Estimated: To achieve the <100 nA deep-sleep figure on the ATSAML10E14A-AU, switch unused SERCOMs, ADC, and PTC peripherals to OFF via the run-time clock gating registers in PM.APBCMASK, and configure all unused GPIO as input with pull enabled so floating inputs do not leak. Place a 100 nF decoupling capacitor within 2 mm of each VDD pin, and add a 1 uF bulk capacitor at the package. The 32 kHz external crystal should be a low-load (7 pF) type to minimise oscillator start-up current during wake.
Use a continuous ground plane under the ATSAML10E14A-AU and route the SWDIO/SWCLK lines as a length-matched pair, keeping them away from switching regulator feedback nodes. Place the 32.768 kHz crystal within 5 mm of pins PA30/PA31 and guard it with a ground ring to suppress noise injection from RF or PTC signals. For touch sensing, route the PTC lines with a ground flood but do not flood under the touch electrodes themselves - flood capacitance directly degrades touch sensitivity.
Do not assume that all SAM L10 SAM L11 variants have the same Flash/RAM map - the linker script and ATSAML10E14A-AU header file must match the actual device (16 KB Flash / 4 KB SRAM) or you risk silent Flash overflow. Always run the Microchip errata check before finalising firmware, because early silicon revisions had SleepWalking and ISO 7816 errata that required workarounds in the ASF/Harmony drivers. Finally, do not use the brown-out detector (BOD33) at its default threshold if your application runs near 1.8 V; configure the BOD to a level below your minimum supply.
The TQFP-32 (7x7 mm) package has a theta_JA of approximately 60-70 C/W on a standard 2-layer JEDEC test board, which is more than adequate given the ATSAML10E14A-AU's typical active current of under 1 mA. Estimated worst-case power dissipation at 32 MHz and 3.6 V is approximately 3 mW, yielding a junction temperature rise of under 1 C above ambient. No thermal mitigation (heatsinks, copper pours) is required for typical use, but a flooded ground plane on the top layer improves both thermal and EMC behaviour.
Compliance-Informationen
Per Microchip product page and Mouser listing, the ATSAML10E14A-AU is RoHS-compliant, lead-free, and supplied in green (halogen-free status not explicitly stated - defaulting to 'unknown' per Data Authenticity Rules). The non-automotive (-AU) variant is not AEC-Q100 qualified; the -AUT suffix variant is qualified for automotive.
