ATSAML10E16A-AFT - 32MHz Cortex-M23 MCU, 64KB Flash | Microchip
Référence : ATSAML10E16A-AFT ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $3.78 | $3,78 |
| 10 | $3.4 | $34,00 |
| 100 | $2.95 | $295,00 |
| 500 | $2.55 | $1 275,00 |
| 1 000 | $2.18 | $2 180,00 |
ATSAML10E16A-AFT Présentation
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash for code, SRAM for data), and a rich set of peripherals on one die. The ATSAML10E16A-AFT belongs to the ARM Cortex-M family of microcontrollers, a hierarchy that spans from low-power Cortex-M0+ cores up through Cortex-M4/M7 parts with DSP and FPU. The SAM L10 series specifically targets ultra-low-power embedded designs, drawing on the Cortex-M23 core's TrustZone-M security extension and Microchip's proprietary peripherals, including an enhanced Peripheral Touch Controller (PTC) for capacitive sensing.
Key features include industry-leading power efficiency: less than 25 uA/MHz in active mode and less than 100 nA in sleep mode, making this part well-suited for battery-powered IoT endpoints. It integrates advanced analog such as a 12-bit ADC and 10-bit DAC, plus operational amplifiers, multiple SERCOM (serial communication) interfaces, an ISO7816 smart card interface, and a configurable Event System for peripheral-to-peripheral signaling without CPU involvement.
The architecture combines a single-core Cortex-M23 with TrustZone-M hardware isolation, enabling secure and non-secure code partitioning for IoT security applications. The 32 MHz clock and 64KB Flash provide sufficient headroom for connected sensor nodes, low-power wireless stacks, and Human-Machine Interface (HMI) products with touch input.
Typical applications include IoT sensor nodes, capacitive touch user interfaces, smart card / secure element readers, wearable health monitors, industrial HMI panels, and battery-powered metering devices. In each of these use cases, the sub-100 nA sleep current extends coin-cell battery life to multi-year durations.
When designing with the ATSAML10E16A-AFT, prioritize sleep-mode usage with RTC wake events to maximize battery life. The integrated PTC supports up to 256 buttons without external components, but trace layout must follow Microchip's touch-layout guidelines to maintain moisture immunity and ESD tolerance.
Alternatives de remplacement direct pour ATSAML10E16A-AFT — 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 ATSAML10E16A-AFT (même facteur de forme et même empreinte) — différant par ADC, Operating Temperature, Package, Core Architecture, Program Memory (Flash).
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAML10E15A-AFT
✅ Remplacement direct✓ En stock
$1.2 / unité
Voir la fiche technique →ATSAML10E15A-AF
✅ Remplacement direct✓ En stock
$1.15 / unité
Voir la fiche technique →ATSAML10E15A-MUT
✅ Remplacement direct✓ En stock
$2.74 / unité
Voir la fiche technique →ATSAML11E14A-AFT
✅ Remplacement direct✓ En stock
$2.19 / unité
Voir la fiche technique →ATSAML10E15A-AU
✅ Remplacement direct✓ En stock
$1.92 / unité
Voir la fiche technique →ATSAML10E16A-AFT Valeurs maximales et caractéristiques électriques
| Core Architecture | ARM Cortex-M23 |
| Core Count | Single-Core |
| Largeur du bus de données | 32-bit |
| Maximum CPU Clock | 32 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 16 KB |
| Boîtier | 32-TQFP (7x7 mm) |
| Type de montage | Surface Mount |
| Température de fonctionnement | -40C to +125C |
| Active Mode Current | <25 uA/MHz |
| Sleep Mode Current | <100 nA |
| ADC | 12-bit |
| DAC | 10-bit |
| Peripheral Touch Controller | Enhanced PTC |
| Smart Card Interface | ISO7816 |
| Security Extension | TrustZone-M |
| Statut RoHS | Compliant |
| Niveau MSL | 3 (168 hours) |
| Lead-Free | Yes |
Configuration des broches de ATSAML10E16A-AFT
| Broche 1 | PA00 — General-purpose I/O / SERCOM0 / PTC X0 |
| Broche 2 | PA01 — General-purpose I/O / SERCOM0 / PTC X1 |
| Broche 3 | PA02 — General-purpose I/O / SERCOM0 / PTC Y0 |
| Broche 4 | PA03 — General-purpose I/O / SERCOM0 / PTC Y1 |
| Broche 5 | PA04 — General-purpose I/O / SERCOM0 / PTC Y2 |
| Broche 6 | PA05 — General-purpose I/O / SERCOM0 / PTC Y3 |
| Broche 7 | PA06 — General-purpose I/O / SERCOM0 / PTC Y4 |
| Broche 8 | PA07 — General-purpose I/O / SERCOM0 / PTC Y5 |
| Broche 9 | VDD — Digital supply voltage |
| Broche 10 | VSS — Digital ground |
| Broche 11 | PA08 — General-purpose I/O / SERCOM2 / PTC X8 |
| Broche 12 | PA09 — General-purpose I/O / SERCOM2 / PTC X9 |
| Broche 13 | PA10 — General-purpose I/O / SERCOM2 / PTC X10 |
| Broche 14 | PA11 — General-purpose I/O / SERCOM2 / PTC X11 |
| Broche 15 | PA14 — General-purpose I/O / SERCOM2 / PTC Y12 |
| Broche 16 | PA15 — General-purpose I/O / SERCOM2 / PTC Y13 |
| Broche 17 | PA16 — General-purpose I/O / SERCOM1 / PTC X4 |
| Broche 18 | PA17 — General-purpose I/O / SERCOM1 / PTC X5 |
| Broche 19 | PA18 — General-purpose I/O / SERCOM1 / PTC X6 |
| Broche 20 | PA19 — General-purpose I/O / SERCOM1 / PTC X7 |
| Broche 21 | PA22 — General-purpose I/O / SERCOM1 / PTC Y8 |
| Broche 22 | PA23 — General-purpose I/O / SERCOM1 / PTC Y9 |
| Broche 23 | PA24 — General-purpose I/O / SERCOM3 / PTC Y10 |
| Broche 24 | PA25 — General-purpose I/O / SERCOM3 / PTC Y11 |
| Broche 25 | PA27 — General-purpose I/O / SERCOM3 |
| Broche 26 | RESET — Active-low reset input |
| Broche 27 | SWDIO — Serial Wire Debug I/O |
| Broche 28 | SWCLK — Serial Wire Debug clock |
| Broche 29 | VDDIO — I/O supply voltage |
| Broche 30 | VSS — Ground |
| Broche 31 | PA30 — General-purpose I/O / SERCOM1 / SWD data |
| Broche 32 | PA31 — General-purpose I/O / SERCOM1 |
Applications typiques
ATSAML10E16A-AFT convient pour 6 applications: IoT Sensor Node with Coin-Cell Battery, Capacitive Touch User Interface, Smart Card / Secure Element Reader, Wearable Health Monitor, Industrial HMI Control Panel, Battery-Powered Utility Meter.
IoT Sensor Node with Coin-Cell Battery
The ATSAML10E16A-AFT is purpose-built for battery-powered IoT sensor endpoints where multi-year battery life is mandatory. Its sub-100 nA sleep current and sub-25 uA/MHz active consumption enable coin-cell sensor nodes that measure temperature, humidity, or motion and transmit periodically over BLE or sub-GHz radio. The 64 KB Flash is sufficient for LoRaWAN, Zigbee, or proprietary wireless stacks when paired with an external transceiver, while the integrated 12-bit ADC reads analog sensor outputs directly. Place the MCU in deep sleep between sensor readings and use the RTC to wake at fixed intervals; this duty-cycling pattern extends battery life into the 5-10 year range.
Recommandé
Capacitive Touch User Interface
The integrated Peripheral Touch Controller (PTC) supports up to 256 touch buttons without external components, making the ATSAML10E16A-AFT ideal for capacitive touch keypads, sliders, and proximity sensors. The 32 MHz Cortex-M23 core processes touch scans in real time while consuming less than 25 uA/MHz, enabling always-on touch wake-up from deep sleep. Combined with the integrated op-amps and 12-bit ADC, the same chip can drive both touch electrodes and analog sensor front-ends. Designers should follow Microchip's touch-layout guidelines for moisture immunity and ensure proper ground guarding around button traces.
Recommandé
Smart Card / Secure Element Reader
The hardware ISO7816 smart card interface integrated into the ATSAML10E16A-AFT supports direct connection to contact-based smart cards used in payment terminals, ID verification, and access control. The 64 KB Flash accommodates EMV application stacks and transaction logging. The Cortex-M23 with TrustZone-M enables secure partitioning of card-handling code from application code. The 16 KB SRAM is sufficient for EMV transaction buffers. Pair the MCU with an external TDA8035 or similar smart card supply IC and protection diodes for ESD compliance.
Recommandé
Wearable Health Monitor
Wearable fitness bands, heart-rate monitors, and continuous glucose monitors benefit from the ATSAML10E16A-AFT's sub-100 nA sleep and small 7x7 mm TQFP footprint. The integrated 12-bit ADC samples bioelectric signals (ECG, EMG) and the 10-bit DAC drives bioimpedance measurement excitation. The Cortex-M23 with TrustZone-M partitions personal health data into a secure region. Battery life for a wearable using this MCU typically exceeds two weeks with hourly activity logging. Pair with a low-power BLE SoC such as the RN4871 for smartphone connectivity.
Recommandé
Industrial HMI Control Panel
Industrial human-machine interface panels with capacitive touch buttons and small LCDs benefit from the ATSAML10E16A-AFT's combination of integrated peripherals and extended -40C to +125C operating range. The SERCOM peripherals drive SPI LCDs, I2C sensors, and UART fieldbus simultaneously. The Event System routes peripheral triggers without CPU wake-up, reducing interrupt overhead and overall power. Industrial-grade temperature tolerance allows deployment in factory automation cabinets and outdoor equipment. The 64 KB Flash is sufficient for graphical menu logic with custom fonts.
Recommandé
Battery-Powered Utility Meter
Smart electricity, water, and gas meters require 10-20 year battery life with periodic wireless reporting. The ATSAML10E16A-AFT achieves this with its sub-100 nA sleep current and fast Cortex-M23 wake-up time. The integrated 12-bit ADC reads pulse outputs from meter sensors, while SERCOM interfaces drive LoRa or Wireless M-Bus transceivers for AMI (Advanced Metering Infrastructure). The wide -40C to +125C operating temperature handles outdoor meter enclosures across all climates. TrustZone-M isolates billing-critical code from the rest of the application stack for regulatory compliance.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAML10E16A-AFT — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAML10E15A-AFT | ATSAML10E15A-AF | ATSAML10E15A-MUT | ATSAML11E14A-AFT |
|---|---|---|---|---|---|
| Brand | 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 |
| Core | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 64 KB | 32 KB | 32 KB | 32 KB | 16 KB |
| SRAM | 16 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Active Current | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz |
| Sleep Current | <100 nA | <100 nA | <100 nA | <100 nA | <100 nA |
| TrustZone-M Security | Yes | Yes | Yes | Yes | Yes + AES crypto |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C |
Principaux différenciateurs
- Largest Flash/RAM in SAM L10 E15-tier drop-in alternatives (vs ATSAML10E15A-AFT)
- Larger memory than ATSAML11E14A-AFT for non-security applications (vs ATSAML11E14A-AFT)
- Sub-100 nA sleep current enables coin-cell applications (vs Generic Cortex-M0+ competitors)
Notes de conception
Estimated: With VDD = 3.3 V and CPU running at 32 MHz, the ATSAML10E16A-AFT draws roughly 800 uA active current. In deep sleep with RTC wake enabled, total current drops below 100 nA. For a coin-cell battery (240 mAh CR2032) with 0.1% duty cycle, calculated battery life approaches 8 years. Always use the lowest possible VDD (down to 1.62 V) to minimize active consumption, and avoid leaving peripherals clocked when not in use. Source: Microchip SAM L10 datasheet electrical characteristics.
Decouple VDD with a 100 nF X7R ceramic capacitor placed within 3 mm of the supply pin, and add a bulk 10 uF ceramic or tantalum capacitor on the same net. For the 32-TQFP package, route a complete ground plane on layer 2 under the MCU and stitch vias around the perimeter to minimize EMI. The SWD programming pins (SWDIO, SWCLK) should have 4.7 kohm pullups if the debugger is hot-swappable.
Do not leave unused pins floating - configure them as outputs or enable the internal pull resistors in software. When using the PTC, follow Microchip's Touch Layout Guidelines: keep ground traces at least 1 mm away from touch electrodes, and route the touch lines as short as possible with no sharp 90-degree bends. When waking from deep sleep, allow at least 1 ms for the regulator and 12-bit ADC to stabilize before taking measurements.
Estimated: At 32 MHz active mode drawing 800 uA from 3.3 V, power dissipation is 2.6 mW - thermal management is generally not required. However, in industrial enclosures at +125C ambient, ensure the PCB copper pour is sufficient to conduct heat away from the package. The 32-TQFP has a typical theta_JA of 60 C/W, resulting in negligible 0.16C junction temperature rise under normal operation. Source: standard TQFP-32 thermal ratings.
Informations de conformité
RoHS compliance confirmed by DigiKey listing 9360509. AEC-Q100 qualification is not indicated - this part targets industrial and consumer applications, not automotive. Conflict minerals compliance per Microchip corporate policy.
