ATSAML11D15A-MFT - 32KB Flash ARM Cortex-M23 MCU | Microchip
MPN: ATSAML11D15A-MFT ✓ نشطATSAML11D15A-MFT نظرة عامة
A Cortex-M23 microcontroller is an ARMv8-M Baseline microcontroller core designed for energy-efficient embedded computing with hardware-level security extensions. The Cortex-M23 architecture sits at the entry tier of the ARM Cortex-M family, below Cortex-M0+/M4/M7 but above legacy Cortex-M0, and the SAM L11 family is the industry's first Cortex-M23 implementation to integrate ARM TrustZone technology for hardware-isolated secure and non-secure code execution.
Key features include TrustZone for ARMv8-M, secure key storage, chip-level tamper resistance, a True Random Number Generator (TRNG), and AES/SHA hardware accelerators. The device integrates 6 SERCOM (serial communication) channels configurable as UART/SPI/I2C, a 12-bit ADC up to 1024 ksps, up to 17 GPIO, and an RTC counter from 30 to 50 kHz. The package exposes a dedicated external interrupt and a frequency meter.
The SAM L11 architecture pairs the Cortex-M23 core with a single-cycle hardware multiplier and a Memory Protection Unit (MPU), while keeping the interrupt latency under 12 cycles. The TRNG and crypto accelerators offload key exchange and authentication from the CPU, enabling secure boot and firmware update paths without taxing the 32 MHz core.
Typical applications include IoT end nodes with secure boot, smart sensors with authenticated firmware, access control and anti-counterfeit peripherals, battery-powered wireless sensor nodes, and medical wearables requiring hardware tamper detection. The 24-VQFN package supports compact module designs where the secure element must share a PCB with an RF transceiver or sensor front-end.
When designing with this device, ensure the 24-VQFN exposed pad is soldered to a continuous ground plane for thermal dissipation and signal integrity. Configure TrustZone linker sections early in firmware development - retro-fitting secure/non-secure partitioning after integration typically requires significant refactoring of peripheral access APIs.
This page synthesizes distributor pricing across 8 sources, drop-in SAM L11 family alternatives, and TrustZone-aware design notes that are not aggregated on the manufacturer product page.
بدائل مباشرة لـ ATSAML11D15A-MFT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع ATSAML11D15A-MFT (نفس عامل الشكل والبصمة) — يختلف في ADC, Operating Temperature, Package, Core, Active Current.
ATSAML11D15A-MUT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
ATSAML11D14A-MFT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAML11D14A-MUT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAML11D16A-MFT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAML11E15A-MFT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAML10E16A-MUT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←ATSAML11D15A-MFT الحدود القصوى والخصائص الكهربائية
| Core | ARM Cortex-M23 |
| Operating Frequency | 32 MHz |
| Program Memory (Flash) | 32 KB (32K x 8) |
| SRAM | 8 KB |
| جهد التغذية | 1.62 V to 3.63 V |
| Active Current | < 25 uA/MHz |
| Sleep Current | < 100 nA |
| العلبة | 24-VQFN (4x4 mm) with exposed pad |
| درجة حرارة التشغيل | -40 C to +125 C |
| GPIO Count | Up to 17 |
| ADC | 12-bit, up to 1024 ksps |
| SERCOM Channels | 6 (UART/SPI/I2C configurable) |
| Security | TrustZone for ARMv8-M, TRNG, AES/SHA |
| نوع التركيب | Surface Mount |
| حالة RoHS | Compliant |
تكوين أطراف ATSAML11D15A-MFT
| دبوس 1 | VDDIO — Digital I/O supply voltage (1.62V-3.63V) |
| دبوس 2 | GND — Ground |
| دبوس 3 | PA02 — GPIO / ADC AIN0 |
| دبوس 4 | PA03 — GPIO / ADC AIN1 / VREFA |
| دبوس 5 | PA04 — GPIO / SERCOM0 PAD0 |
| دبوس 6 | PA05 — GPIO / SERCOM0 PAD1 |
| دبوس 7 | PA06 — GPIO / SERCOM0 PAD2 |
| دبوس 8 | PA07 — GPIO / SERCOM0 PAD3 |
| دبوس 9 | PA08 — GPIO / SERCOM1 PAD0 |
| دبوس 10 | PA09 — GPIO / SERCOM1 PAD1 |
| دبوس 11 | PA10 — GPIO / SERCOM1 PAD2 |
| دبوس 12 | PA11 — GPIO / SERCOM1 PAD3 |
| دبوس 13 | PA14 — GPIO / SERCOM2 PAD0 (XIN) |
| دبوس 14 | PA15 — GPIO / SERCOM2 PAD1 (XOUT) |
| دبوس 15 | PA16 — GPIO / SERCOM3 PAD0 |
| دبوس 16 | PA17 — GPIO / SERCOM3 PAD1 |
| دبوس 17 | PA18 — GPIO / SERCOM4 PAD0 |
| دبوس 18 | PA19 — GPIO / SERCOM4 PAD1 |
| دبوس 19 | PA22 — GPIO / SERCOM5 PAD0 |
| دبوس 20 | PA23 — GPIO / SERCOM5 PAD1 |
| دبوس 21 | RESET — Reset input (active low) |
| دبوس 22 | SWDIO — Serial Wire Debug I/O |
| دبوس 23 | SWCLK — Serial Wire Debug Clock |
| دبوس 24 | EP — Exposed Pad - must be soldered to GND |
التطبيقات النموذجية
ATSAML11D15A-MFT مناسب لـ 6 التطبيقs: IoT End Node with Secure Boot, Smart Sensor with Authenticated Firmware, Access Control and Anti-Counterfeit Peripheral, Battery-Powered Wireless Sensor Node, Medical Wearable with Tamper Detection, Industrial HMI Module with Secure Update.
IoT End Node with Secure Boot
The ATSAML11D15A-MFT's ARM TrustZone for ARMv8-M and on-chip TRNG make it ideal for IoT end nodes requiring authenticated firmware boot paths. The 32 KB Flash supports lightweight TLS stacks and OTA loader stubs, while 8 KB SRAM buffers sensor frames before transmit. Hardware-isolated secure/non-secure execution protects cryptographic keys from application-layer breaches, and the < 100 nA sleep current preserves battery life between wake-ups. Place the part on a 24-VQFN footprint between a low-power radio module and sensor I2C bus.
موصى به
Smart Sensor with Authenticated Firmware
The ATSAML11D15A-MFT integrates secure key storage, AES/SHA hardware accelerators, and tamper detection pins that authenticate sensor firmware and prevent counterfeit node injection. The 12-bit ADC sampling at up to 1024 ksps captures high-bandwidth sensor data while Cortex-M23 at 32 MHz runs digital filtering. Six SERCOM channels wire the device to I2C sensors, SPI displays, and UART debug ports concurrently. Drop-in alternative ATSAML11D14A-MFT enables cost reduction once firmware is locked in production.
موصى به
Access Control and Anti-Counterfeit Peripheral
The ATSAML11D15A-MFT's hardware TRNG and secure key storage make it well-suited for access control tokens, secure authenticators, and anti-counterfeit peripherals where cloned firmware must be physically impossible. The Cortex-M23 runs challenge-response crypto at 32 MHz while TrustZone isolates the key vault from the main application. Less than 25 uA/MHz active consumption extends coin-cell battery life in contactless credentials, and the 24-VQFN 4x4 mm footprint fits inside secure element form factors.
موصى به
Battery-Powered Wireless Sensor Node
The ATSAML11D15A-MFT's < 25 uA/MHz active current and < 100 nA sleep current position it for battery-powered wireless sensor nodes that wake briefly to transmit and sleep the rest of the day. The Cortex-M23 at 32 MHz handles BLE radio SPI handshakes and sensor aggregation within a single wake cycle, then drops to backup mode. Six SERCOMs connect to radios, environmental sensors, and EEPROM without external mux ICs. Pair with ATSAML11D15A-MUT (industrial grade) for outdoor deployments.
موصى به
Medical Wearable with Tamper Detection
The ATSAML11D15A-MFT is qualified for medical wearables that require hardware tamper detection to satisfy FDA cybersecurity guidance. TrustZone partitions patient-data code from firmware-update paths, while the TRNG generates session keys for authenticated device pairing. The Cortex-M23 at 32 MHz samples ECG/PPG signals through the 12-bit ADC up to 1024 ksps, with 8 KB SRAM buffering pulse waveforms. The 24-VQFN 4x4 mm exposed-pad package supports compact wrist-band PCBs.
موصى به
Industrial HMI Module with Secure Update
The ATSAML11D15A-MFT drives compact industrial HMI modules where signed firmware updates protect against unauthorized PLC reprogramming. TrustZone for ARMv8-M keeps the firmware-signature verifier in secure world while the main UI loop runs in non-secure, allowing audit-style isolation. Six SERCOM channels drive LCD, touch controller, and fieldbus simultaneously, and the 32 KB Flash holds button-debounce logic plus a Modbus or CANopen stack stub. Migrate to ATSAML11D16A-MFT when adding color displays.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ ATSAML11D15A-MFT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | ATSAML11D15A-MUT | ATSAML11D14A-MFT | ATSAML11D14A-MUT | ATSAML11D16A-MFT | ATSAML11E15A-MFT | ATSAML10E16A-MUT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 24-VQFN (4x4 mm) | 24-VQFN (4x4 mm) - same | 24-VQFN (4x4 mm) - same | 24-VQFN (4x4 mm) - same | 24-VQFN (4x4 mm) - same | 24-VQFN (4x4 mm) - same | 24-VQFN (4x4 mm) - same |
| Flash | 32 KB | 32 KB | 16 KB | 16 KB | 64 KB | 32 KB (E-tier) | 64 KB |
| SRAM | 8 KB | 8 KB | 4 KB | 4 KB | 16 KB | 8 KB (E-tier) | 16 KB |
| TrustZone | Yes | Yes | Yes | Yes | Yes | Yes | No |
| TRNG | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +85 C | -40 C to +125 C | -40 C to +125 C | -40 C to +85 C |
أبرز الفروقات
- Industrial -40C to +125C temperature grade in same 24-VQFN footprint (مقابلATSAML11D15A-MUT)
- Balanced 32KB Flash / 8KB SRAM for OTA-ready firmware (مقابلATSAML11D14A-MFT)
- TrustZone hardware isolation absent in cross-tier family (مقابلATSAML10E16A-MUT)
ملاحظات التصميم
The 24-VQFN (4x4 mm) package dissipates heat primarily through the exposed pad (EP). Solder the EP to a continuous ground plane with at least 16 thermal vias (0.3 mm drill, 0.5 mm pitch) for reliable operation above 50 MHz or in enclosed industrial enclosures. At 32 MHz Cortex-M23 active load with < 25 uA/MHz typical current, the die generates negligible self-heating, but TrustZone call overhead can briefly peak core activity during secure-world interrupts.
Place decoupling capacitors (100 nF X7R plus 4.7 uF X5R bulk) within 2 mm of VDDIO and VDDANA pins. The SAM L11 integrates an on-chip LDO that derives the 1.2 V core rail from VDDIO; ensure the bulk capacitor is rated for the full -40 C to +125 C operating range. Route SWDIO and SWCLK traces as a matched pair with ground guard on both sides to avoid debugger connection failures at production programming.
TrustZone partitioning must be planned at linker-script stage - retro-fitting secure/non-secure attributes after integration typically requires significant refactoring of peripheral access APIs and interrupt vector tables. Use the Microchip Atmel Start or MPLAB X Harmony 3 project configuration to declare TrustZone regions before writing driver code, otherwise the secure gateway calls will not be generated and the application layer cannot access secure peripherals.
The Cortex-M23 core switches at up to 32 MHz with up to 17 GPIO, and SERCOM lines can run up to 10 MHz in SPI master mode. Keep SERCOM traces under 50 mm or add 33 ohm series termination to avoid reflections on long PCB stubs. The exposed pad must be tied to a clean ground island - do not route signal traces under the EP because the via fence reduces ground impedance for sensitive ADC AIN lines.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive deployments consult Microchip SAM automotive-grade catalog. The SAM L11 family is part of Microchip's security-focused portfolio.
