ATSAML11D14A-MUT - 32MHz Cortex-M23 TrustZone MCU 16KB Flash | Microchip
MPN: ATSAML11D14A-MUT ✓ فعالATSAML11D14A-MUT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a processor core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of peripherals including timers, communication controllers, and analog blocks. Within the broader semiconductor taxonomy, an MCU belongs to the embedded processor hierarchy: microcontroller -> embedded processor -> semiconductor IC. The SAM L11 family sits at the low-power, security-focused end of Microchip's SAM portfolio, designed for IoT edge nodes, secure sensors, and battery-operated products that require isolated secure and non-secure code execution domains via TrustZone for ARMv8-M.
Key features of the ATSAML11D14A include a single-cycle hardware multiplier, hardware divider, Nested Vector Interrupt Controller (NVIC), and a Memory Protection Unit (MPU). Secure key storage, chip-level tamper resistance, and a cryptographic accelerator make it well-suited for PSA Level 1 / Level 2 certified designs. Peripherals include SERCOM (configurable serial communication), ADC, DAC, and timers. The device operates over the industrial -40 °C to +85 °C temperature range, suiting consumer, industrial, and metering environments.
Architecturally, the SAM L11 implements the ARMv8-M Baseline profile with TrustZone, providing hardware isolation between secure and non-secure code. The Cortex-M23 core pairs a 2-stage pipeline with deterministic interrupt handling. A low-power Always-On (AON) domain keeps RTC and wake sources alive below 100 nA, while dynamic power scaling adjusts active current to workload. Integrated op amps and a 12-bit 1 Msps ADC ease analog front-end designs.
Typical applications include secure IoT end nodes, smart meters, wireless sensor nodes (BLE/Zigbee host MCUs), medical wearables, secure access control, and industrial HMI. Designers also deploy it in home automation and battery-powered consumer products where 100 nA sleep current extends multi-year coin-cell life.
When designing with this part, ensure that the secure/non-secure memory partitioning and linker configuration align with the TrustZone model — firmware written without the secure attribution scheme loses the device's primary security benefit. Use Microchip MPLAB X IDE with MCC for TrustZone-aware project generation, and verify sleep-mode current on the bench because leakage can dominate at room-temperature corners.
This page synthesizes distributor pricing, drop-in alternatives from the same SAM L11 family and qualified cross-brand equivalents, and practical design notes not found in the manufacturer datasheet.
کے لیے ڈراپ اِن متبادل ATSAML11D14A-MUT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ATSAML11D14A-MUT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Package, Core, ADC, Operating Temperature, Core Architecture.
ATSAML11D15A-MUT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAML11E16A-MUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11D14A-MU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11D14A-YFT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML10D16A-MFT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD11D14A-MUT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAML11D14A-MUT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M23 (ARMv8-M Baseline with TrustZone) |
| Maximum Clock Speed | 32 MHz |
| Core Performance | 2.62 CoreMark/MHz, up to 31 DMIPS |
| Program Flash | 16 KB (16K x 8) |
| SRAM | 8 KB |
| Data Flash | 2 KB |
| Operating Voltage Range | 1.62 V to 3.63 V |
| Active Current | < 25 µA/MHz |
| Sleep Current | < 100 nA |
| Hardware Multiplier | Single-cycle 32-bit |
| Hardware Divider | Yes |
| NVIC | Yes |
| Memory Protection Unit (MPU) | Yes |
| TrustZone for ARMv8-M | Yes |
| آپریٹنگ درجہ حرارت | -40 °C to +85 °C |
| پیکیج | 24-VQFN (4x4 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
| Bit Width | 32-bit |
ATSAML11D14A-MUT پن کنفیگریشن
| پن 1 | PA00 — GPIO / XIN (external clock input) |
| پن 2 | PA01 — GPIO / XOUT (external clock output) |
| پن 3 | GND — Ground |
| پن 4 | VDDIO — Digital I/O supply voltage |
| پن 5 | VDDANA — Analog supply voltage |
| پن 6 | GND — Ground |
| پن 7 | PA02 — GPIO / ADC input |
| پن 8 | PA03 — GPIO / ADC reference |
| پن 9 | PA04 — GPIO / SERCOM |
| پن 10 | PA05 — GPIO / SERCOM |
| پن 11 | PA06 — GPIO / SERCOM |
| پن 12 | PA07 — GPIO / SERCOM |
| پن 13 | PA08 — GPIO / SERCOM / I2C |
| پن 14 | PA09 — GPIO / SERCOM / I2C |
| پن 15 | PA10 — GPIO / SERCOM / TCC |
| پن 16 | PA11 — GPIO / SERCOM / TCC |
| پن 17 | PA14 — GPIO / SWD clock (programming/debug) |
| پن 18 | PA15 — GPIO / SWD data (programming/debug) |
| پن 19 | RESET — Active-low reset input |
| پن 20 | PA27 — GPIO / external interrupt |
| پن 21 | PA28 — GPIO / external interrupt |
| پن 22 | PA30 — GPIO / SERCOM |
| پن 23 | PA31 — GPIO / SERCOM |
| پن 24 | GND_EPAD — Exposed pad / thermal pad (must be soldered to GND) |
عام استعمالات
ATSAML11D14A-MUT کے لیے موزوں ہے 6 ایپلیکیشنs: Secure IoT Sensor Nodes, Smart Electricity Meters, Battery-Powered Medical Wearables, Home Automation Controllers, Industrial HMI Keypad Panels, Secure Access Control Readers.
Secure IoT Sensor Nodes
The ATSAML11D14A-MUT's TrustZone for ARMv8-M, secure boot, and PSA Level 1 certifiable security make it a natural host MCU for IoT sensor nodes that authenticate to cloud services. The <25 µA/MHz active and <100 nA sleep currents allow coin-cell-powered nodes to run for years; the Cortex-M23 at 32 MHz runs TLS handshakes and RSA/ECC verification through the integrated cryptographic accelerator. Paired with an external ATECC608B secure element, the design achieves hardware root-of-trust and tamper-resistant key storage suitable for AWS IoT, Azure Sphere, and Matter commissioning flows.
تجویز کردہ
Smart Electricity Meters
The ATSAML11D14A-MUT is well-suited for residential and commercial smart meters because its Cortex-M23 + TrustZone isolates the metering firmware from the communication stack, preventing remote tampering with billing data. The 12-bit 1 Msps ADC handles simultaneous voltage and current sampling for class-0.5 metering accuracy, and the low-power Always-On domain keeps RTC and tamper detection alive below 100 nA during sleep. The 1.62–3.63V supply accepts direct Li-ion or 3.6V Li-SOCl2 battery operation; pair with ADE9153A for shunt-based current sensing.
تجویز کردہ
Battery-Powered Medical Wearables
For continuous-monitoring medical wearables (glucose patches, pulse oximeters, wearable ECG), the ATSAML11D14A-MUT's 100 nA sleep current is critical to achieving 7–14 day battery life on small Li-Po cells. The Cortex-M23 at 32 MHz computes FFT-based heart-rate-variability and SpO2 algorithms with sufficient headroom for future firmware updates; TrustZone isolates patient health data (PHI) from the BLE stack to satisfy HIPAA-style data handling expectations. The integrated 12-bit ADC reads pulse-ox sensor photodiode outputs directly, eliminating an external ADC.
تجویز کردہ
Home Automation Controllers
The ATSAML11D14A-MUT runs Matter, Zigbee, or Z-Wave host stacks for smart-home hubs and Matter Thread Border Routers with TrustZone isolating commissioning credentials. Its Cortex-M23 at 32 MHz handles network commissioning flows, OTA firmware verification, and rule-based scene logic while keeping the radio interface responsive. The 24-VQFN (4x4 mm) footprint fits into compact wall-switch and outlet form factors; the 2KB Data Flash stores commissioning tokens and device pairing data with hardware write protection.
تجویز کردہ
Industrial HMI Keypad Panels
The ATSAML11D14A-MUT drives small industrial HMI keypad and rotary-encoder panels, where TrustZone isolates the configuration UI from the safety-critical control code. The Cortex-M23 + DMA handles capacitive touch scanning through the PTC peripheral, while the SERCOM ports drive OLED displays or character LCDs via SPI. The -40 °C to +85 °C industrial operating range suits factory-floor enclosures, and the 24-VQFN's small footprint enables behind-display placement on compact panels.
تجویز کردہ
Secure Access Control Readers
The ATSAML11D14A-MUT powers RFID/NFC door readers where TrustZone protects the cryptographic master keys and prevents firmware extraction from a stolen reader. Its Cortex-M23 + crypto accelerator verifies MIFARE DESFire, EV1, and EV2 credentials in <80 ms — fast enough for tap-and-go door access. The 100 nA sleep current supports battery-backed readers that survive AC mains outages; pair with PN512 NFC frontend for ISO 14443 A/B communication up to 10 cm read range.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAML11D14A-MUT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAML11D15A-MUT | ATSAML11E16A-MUT | ATSAML11D14A-MU | ATSAML11D14A-YFT | ATSAML10D16A-MFT |
|---|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 16 KB | 32 KB | 64 KB | 16 KB | 16 KB | 16 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 8 KB | 8 KB | 8 KB |
| TrustZone | Yes (ARMv8-M) | Yes (ARMv8-M) | Yes (ARMv8-M) | Yes (ARMv8-M) | Yes (ARMv8-M) | No (Cortex-M23 without TrustZone) |
| Core | Cortex-M23 | Cortex-M23 | Cortex-M23 | Cortex-M23 | Cortex-M23 | Cortex-M23 |
| Maximum Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 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 |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +105 °C (extended) | -40 °C to +85 °C |
اہم امتیازی خصوصیات
- Industry's first Cortex-M23 MCU with TrustZone for ARMv8-M (بمقابلہATSAML10D16A-MFT)
- Pin-compatible with 32KB and 64KB Flash siblings (بمقابلہATSAML11D15A-MUT)
- 100 nA sleep vs 1 µA+ typical Cortex-M0+ competitors (بمقابلہATSAMD11D14A-MUT)
ڈیزائن نوٹس
Estimated: at VDD=3.3V, clock=32 MHz, all peripherals on, the ATSAML11D14A-MUT draws approximately 0.8 mA active (<25 µA/MHz * 32 MHz). In Standby sleep with RTC running, current drops below 100 nA, enabling multi-year coin-cell operation. Use the SUPC controller to switch to the 32.768 kHz crystal oscillator for RTC and wake sources during sleep to avoid waking the DFLL main clock. Place a 1 µF X7R decoupling capacitor within 3 mm of VDDANA and another on VDDIO; add a 100 nF for high-frequency noise suppression.
Estimated: at typical IoT duty cycles (1% active, 99% sleep), the average power dissipation is below 100 µW and junction temperature rise is negligible. The 24-VQFN's exposed pad (pin 24) must be soldered to a copper pour of at least 25 mm² to meet the thermal resistance spec of 39 °C/W (4-layer JEDEC EIA/JESD51 test board). In continuous active mode at 32 MHz the device consumes ~2.7 mW — still well within thermal limits. Verify sleep-mode current on the bench because PCB leakage paths on I/O pins can easily exceed 100 nA and dominate the device's own quiescent draw.
Estimated: Firmware written without TrustZone-aware memory partitioning loses the device's primary security benefit. Configure linker scripts to split Flash and SRAM into secure (S) and non-secure (NS) regions per ARMv8-M, and use the SAU (Security Attribution Unit) to enforce isolation. Do not leave the SWD pins (PA14/PA15) exposed in production — disable SWD via NVM bits and use secure boot to prevent firmware extraction. Use Microchip MPLAB X IDE with the MCC TrustZone configurator to generate correct startup files; manual edits to startup_saml11.c often break the secure/non-secure attribution model.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page; lead-free reflow compatible; industrial -40°C to +85°C operating range. Not AEC-Q100 qualified — use ATSAML11D14A-E (automotive grade) variants for AEC-Q100 applications. PSA Certified Level 1 ready; refer to Microchip's PSA Level 2 certification reports for tamper-resistance claims.
