ATSAML11E15A-MU - 32KB Flash Cortex-M23 MCU w/ TrustZone | Microchip
MPN: ATSAML11E15A-MU ✓ فعالATSAML11E15A-MU جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals such as timers, communication interfaces, and analog blocks. The Cortex-M23 is an ARMv8-M Baseline core that introduces TrustZone for ARMv8-M, the smallest and most energy-efficient implementation of hardware-isolated trusted execution. The SAM L11 family from Microchip sits inside the wider 32-bit MCU hierarchy (ARM Cortex-M -> 32-bit MCU -> microcontroller -> semiconductor), and it is positioned as Microchip's ultra-low-power secure MCU line for IoT endpoints.
The ATSAML11E15A-MU integrates secure key storage, chip-level tamper resistance, hardware crypto accelerators (AES, SHA, TRNG), and an enhanced Peripheral Touch Controller (PTC) for capacitive touch and proximity sensing. Its 6 SERCOM (serial communication) interfaces can each be configured as UART, I2C, or SPI, giving designers flexibility to mix protocol needs. The device supports 1.62 V to 3.63 V supply voltage and an industrial operating temperature range of -40 C to +85 C.
Typical applications include secure IoT sensor nodes, connected medical devices, smart-home controllers, low-power wireless endpoints (LoRa/BLE/Zigbee host MCUs), and touch-based human-machine interfaces. The combination of TrustZone isolation and <25 uA/MHz active power allows secure firmware updates and authenticated sensor telemetry on a coin-cell or Li-Ion battery for years.
When designing with this part, allocate sufficient Flash for a TrustZone-aware linker script (Secure / Non-Secure split), and reserve one SERCOM for a debug UART or external memory. Bypass VDD with 100 nF and 4.7 uF ceramic capacitors placed within 3 mm of the supply pins. The QFN package requires a small thermal pad for ground reference and improved electrical performance.
This page synthesizes distributor pricing as of 2026-09-22, Microchip same-family alternatives with shared QFN-32 footprints, drop-in replacement guidance, and PCB/design notes that are not duplicated on the manufacturer datasheet landing page.
کے لیے ڈراپ اِن متبادل ATSAML11E15A-MU — 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 ATSAML11E15A-MU (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Core Architecture, Package, Operating Temperature, ADC, Active Current.
ATSAML11E15A-MFT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11E15A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11E15A-AFT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11E14A-MU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11E15A-AUKPH
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAML11E15A-MU زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M23 with TrustZone (ARMv8-M Baseline) |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 32 KB (32K x 8) |
| SRAM | 8 KB |
| Supply Voltage (VDD) | 1.62 V to 3.63 V |
| Active Mode Current | <25 uA/MHz |
| Sleep Mode Current | <100 nA |
| آپریٹنگ درجہ حرارت | -40 C to +85 C |
| پیکیج | 32-pin VQFN (5x5 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| SERCOM Modules | 6 (configurable as UART/I2C/SPI) |
| Crypto Acceleration | AES, SHA, TRNG (hardware) |
| Touch Controller | Enhanced Peripheral Touch Controller (PTC) |
| TrustZone | Yes (ARMv8-M TrustZone) |
| RoHS اسٹیٹس | Compliant |
ATSAML11E15A-MU پن کنفیگریشن
| پن 1 | VDD — Main supply voltage input (1.62 V to 3.63 V) |
| پن 2 | GND — Ground reference |
| پن 3 | PA00 — General purpose I/O / SERCOM pad |
| پن 4 | PA01 — General purpose I/O / SERCOM pad |
| پن 5 | PA02 — General purpose I/O / SERCOM pad |
| پن 6 | PA03 — General purpose I/O / SERCOM pad |
| پن 7 | PA04 — General purpose I/O / SERCOM pad |
| پن 8 | PA05 — General purpose I/O / SERCOM pad |
| پن 9 | PA06 — General purpose I/O / SERCOM pad |
| پن 10 | PA07 — General purpose I/O / SERCOM pad |
| پن 11 | PA08 — General purpose I/O / SERCOM pad |
| پن 12 | PA09 — General purpose I/O / SERCOM pad |
| پن 13 | PA10 — General purpose I/O / SERCOM pad |
| پن 14 | PA11 — General purpose I/O / SERCOM pad |
| پن 15 | PA14 — General purpose I/O / SERCOM pad |
| پن 16 | PA15 — General purpose I/O / SERCOM pad |
| پن 17 | PA16 — General purpose I/O / SERCOM pad |
| پن 18 | PA17 — General purpose I/O / SERCOM pad |
| پن 19 | PA18 — General purpose I/O / SERCOM pad |
| پن 20 | PA19 — General purpose I/O / SERCOM pad |
| پن 21 | PA20 — General purpose I/O / SERCOM pad |
| پن 22 | PA21 — General purpose I/O / SERCOM pad |
| پن 23 | PA22 — General purpose I/O / SERCOM pad |
| پن 24 | PA23 — General purpose I/O / SERCOM pad |
| پن 25 | PA24 — General purpose I/O / SERCOM pad |
| پن 26 | PA25 — General purpose I/O / SERCOM pad |
| پن 27 | PA27 — General purpose I/O / SERCOM pad |
| پن 28 | PA28 — General purpose I/O / SERCOM pad |
| پن 29 | RESET — Active-low reset input |
| پن 30 | SWDIO — Serial Wire Debug data |
| پن 31 | SWCLK — Serial Wire Debug clock |
| پن 32 | GND — Ground reference |
عام استعمالات
ATSAML11E15A-MU کے لیے موزوں ہے 6 ایپلیکیشنs: Secure IoT Sensor Nodes, Battery-Powered Medical Wearables, Smart Home Hubs and Touch Panels, Industrial Sensor Edge Nodes, Connected Automotive Sub-systems, Capacitive Touch Human-Machine Interface.
Secure IoT Sensor Nodes
The ATSAML11E15A-MU is purpose-built for secure IoT sensor endpoints, where its <25 uA/MHz active current and <100 nA sleep current enable multi-year battery life on a coin cell or Li-Ion pack. Integrated hardware AES/SHA/TRNG plus ARM TrustZone isolation allow firmware to authenticate telemetry to the gateway and accept authenticated over-the-air firmware updates. With 32 KB Flash it can host a small TLS stack, an application layer, and a TrustZone-aware secure bootloader concurrently. Six SERCOMs map to UART, I2C, or SPI for any sensor or sub-GHz radio frontend. Estimated active-mode runtime at 10% duty cycle and 3.3 V typically exceeds 5 years on a 240 mAh CR2032.
تجویز کردہ
Battery-Powered Medical Wearables
Wearable medical devices (continuous glucose monitors, pulse oximeters, smart patches) demand a low-power 32-bit MCU with deterministic real-time response and reliable firmware security. The ATSAML11E15A-MU delivers sub-100 nA sleep retention while keeping RTC and SRAM alive for instant wake on sensor interrupt. TrustZone protects patient-identifiable data buffers and firmware integrity, while the enhanced Peripheral Touch Controller on certain package variants supports on-skin capacitive buttons without an external touch IC. The QFN-32 (5x5 mm) footprint keeps the BOM area small enough for a wrist-worn form factor.
تجویز کردہ
Smart Home Hubs and Touch Panels
In wall-mount smart-home control panels and appliances, the ATSAML11E15A-MU serves as the secure host MCU running the user interface logic, touch scanning, and secure commissioning. Its enhanced PTC supports up to 12 self-capacitance touch channels for sliders and buttons without an external touch controller, lowering BOM cost. TrustZone isolates commissioning credentials (Wi-Fi/BLE pairing keys) from the main application, so firmware exploits cannot exfiltrate them. The 32 KB Flash budget fits an LVGL-style UI plus an MQTT/HTTP bridge, and 8 KB SRAM is sufficient for screen-frame buffers under partial-update schemes.
تجویز کردہ
Industrial Sensor Edge Nodes
Industrial 4.0 edge nodes - process transmitters, flow meters, predictive-maintenance vibration sensors - need a 32-bit MCU that can run cryptographic authentication, communicate over RS-485 or CAN, and survive -40 C to +85 C enclosures. The ATSAML11E15A-MU meets this profile with its industrial temperature grade, hardware AES for OPC-UA or MQTT-TLS payloads, and up to six SERCOMs that can be configured as UART, I2C, or SPI. The -MFT drop-in variant extends the upper limit to +125 C for unventilated enclosures. Estimated active-mode power at 32 MHz is approximately 800 uA at 3.3 V.
تجویز کردہ
Connected Automotive Sub-systems
Within automotive body-electronics and cabin sub-systems (HVAC controls, ambient lighting controllers, seat modules), the AEC-Q100 qualified ATSAML11E15A-AUT drop-in variant of this die provides the same QFN-32 footprint, TrustZone, and SERCOM count. Its hardware crypto accelerators protect CAN/XL message authentication, while the low active current keeps quiescent drain on the 12 V battery in check when the vehicle is parked. Engineers can develop with the industrial-grade ATSAML11E15A-MU in the lab and qualify the production build with the -AUT variant without changing PCB layout.
تجویز کردہ
Capacitive Touch Human-Machine Interface
The ATSAML11E15A-MU's enhanced Peripheral Touch Controller supports both self- and mutual-capacitance scanning, enabling robust touch buttons, sliders, and proximity wakeup on appliances, locks, and industrial HMIs. Hardware-driven PTC scanning offloads the CPU, allowing the core to stay in a low-power sleep state between touches. Combined with TrustZone, designers can implement anti-tamper touch gestures whose calibration coefficients are stored in secure flash. The QFN-32 footprint allows routing of up to 12 touch electrodes directly to the package pins without a matrix multiplexer.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAML11E15A-MU — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAML11E15A-MFT | ATSAML11E15A-AUT | ATSAML11E15A-AFT | ATSAML11E14A-MU |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-VQFN (5x5 mm) | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) |
| SRAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Core Frequency | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| TrustZone | Yes | Yes | Yes | Yes | Yes |
| Operating Temperature | -40 C to +85 C (industrial) | -40 C to +125 C (extended) | -40 C to +85 C (automotive) | -40 C to +125 C (automotive) | -40 C to +85 C (industrial) |
| AEC-Q100 Qualified | No | No | Yes | Yes | No |
| Active Current | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz |
اہم امتیازی خصوصیات
- Higher Flash density at the same package footprint (بمقابلہATSAML11E14A-MU)
- Industrial temperature with pin-to-pin compatibility to AEC-Q100 grade (بمقابلہATSAML11E15A-AUT)
- Lower sleep current than the extended-temperature variant (بمقابلہATSAML11E15A-MFT)
ڈیزائن نوٹس
Estimated: at 3.3 V VDD and 32 MHz active mode, the ATSAML11E15A-MU draws ~800 kA continuously. Place one 100 nF X7R 0402 ceramic bypass capacitor within 3 mm of each VDD pin and one shared 4.7 uF X5R bulk capacitor on the supply rail. For battery-powered designs, route the MCU's VDD through an external load switch or LDO enable pin so unused peripherals can be power-gated during sleep.
The 32-pin VQFN package exposes a central thermal/ground pad on its underside. This pad must be soldered to a ground pour on the top layer for electrical reference and thermal dissipation, with at least 5 thermal vias (0.3 mm drill, 0.5 mm pitch) stitching the pad to the internal ground plane. Failing to solder the e-pad can degrade ADC noise performance and SERCOM signal integrity at higher baud rates.
Do not assume all 32 pins are user I/O - pins 1 and 32 are VDD and GND, and pin 29 is the active-low RESET input which must be pulled high through a 10 kohm resistor for normal operation. The SWDIO/SWCLK pins (30, 31) are required for programming and debug; if your enclosure forbids through-hole access, route them to a 2x5 0.05 inch Tag-Connect footprint to preserve field-recovery capability.
تعمیل کی معلومات
RoHS and REACH compliance confirmed via Microchip product page. The ATSAML11E15A-MU itself is not AEC-Q100 qualified; choose the -AUT variant for automotive applications.
