ATSAML11E16A-MUT - Cortex-M23 32MHz 64KB Flash MCU | Microchip
MPN: ATSAML11E16A-MUT ✓ Hoạt độngATSAML11E16A-MUT Tóm tắt
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 (timers, ADC, communication interfaces, GPIO) on one die. MCUs belong to the broader family of embedded processors and dominate low-power, real-time control applications. The Cortex-M23 is Arm's smallest and most energy-efficient TrustZone-capable core, positioned between the Cortex-M0+ (no TrustZone) and the Cortex-M33 (with DSP and FPU), making the SAM L11 ideal for secure, low-power IoT endpoints. The 'SAM' family hypernym chain: SAM L11 -> Cortex-M23 MCU -> ARM-based microcontroller -> embedded processor -> semiconductor IC.
Key differentiating features include ARM TrustZone for hardware-enforced isolation between secure and non-secure code, a Secure Boot Loader, a hardware Crypto Accelerator (AES-128/256, SHA-256, TRNG), up to 51 GPIO, a 12-bit 1 MSPS ADC, and a 10-bit 350 kSPS DAC. The 32-VQFN package has a thermal resistance of approximately 30 C/W, and the device supports Sleep, Standby, and Backup modes with fast wake-up times below 2 us from Sleep. It is qualified to industrial temperature grade (-40C to +85C) and is RoHS compliant.
Typical applications include secure IoT sensor nodes, smart meters, wearable health monitors, secure authentication peripherals, home automation hubs, and battery-powered edge AI inference devices. The TrustZone and crypto accelerator make it especially suited for products requiring end-to-end secure firmware update (SUOTA) and tamper-resistant credential storage.
When designing with this MCU, allocate at least one decoupling capacitor (100 nF) per VDD pin and place the exposed pad (EP) to a large ground copper pour for thermal dissipation. For secure applications, configure the TrustZone Attribute Unit (TAU) during boot to lock peripheral and memory access rights, and use the Boot ROM Secure Boot Loader to verify application firmware signatures before execution. Programming is supported by Microchip Studio, MPLAB X IDE, and Atmel START.
Bộ thay thế dễ dàng lắp đặt cho ATSAML11E16A-MUT — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với ATSAML11E16A-MUT (cùng hình factor và footprint) — khác nhau ở Package, ADC, Active Current, Operating Temperature, Security Features.
ATSAML11D16A-MUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML11E15A-MUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML11E16A-MFTKPH
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML10E16A-MUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML11E14A-MUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML10E15A-MUT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →ATSAML11E16A-MUT Tỷ lệ tối đa & tính chất điện
| Core Architecture | ARM Cortex-M23 |
| Core Features | TrustZone-M, MPU, NVIC, WIC |
| Maximum CPU Frequency | 32 MHz |
| Flash Memory | 64 KB |
| SRAM | 16 KB |
| Supply Voltage Range | 1.62 V to 3.63 V |
| Active Mode Current | < 25 uA/MHz |
| Sleep Mode Current | < 100 nA |
| Hộp | 32-VQFN (5x5 mm) with exposed pad |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| ADC | 12-bit, up to 1 MSPS |
| DAC | 10-bit, 350 kSPS |
| Communication Interfaces | SERCOM (I2C/SPI/UART), I2S |
| Security Features | ARM TrustZone-M, AES-128/256, SHA-256, TRNG, Secure Boot |
| Trạng thái RoHS | Compliant |
| Packaging | Tape & Reel |
Cấu hình chân ATSAML11E16A-MUT
| Chân 1 | PA00 — GPIO / SERCOM0 / ADC AIN0 |
| Chân 2 | PA01 — GPIO / SERCOM0 / ADC AIN1 |
| Chân 3 | PA02 — GPIO / SERCOM0 / ADC AIN2 |
| Chân 4 | PA03 — GPIO / SERCOM0 / ADC AIN3 / VREFA |
| Chân 5 | PA04 — GPIO / SERCOM0 / ADC AIN4 |
| Chân 6 | PA05 — GPIO / SERCOM0 / ADC AIN5 |
| Chân 7 | PA06 — GPIO / SERCOM0 / ADC AIN6 |
| Chân 8 | PA07 — GPIO / SERCOM0 / ADC AIN7 |
| Chân 9 | VDDIO — Digital I/O supply voltage |
| Chân 10 | GND — Ground |
| Chân 11 | PA08 — GPIO / SERCOM2 / I2S FS |
| Chân 12 | PA09 — GPIO / SERCOM2 / I2S MCK |
| Chân 13 | PA10 — GPIO / SERCOM2 / I2S SCK |
| Chân 14 | PA11 — GPIO / SERCOM2 / I2S SDO |
| Chân 15 | PA12 — GPIO / SERCOM2 / ADC AIN12 |
| Chân 16 | PA13 — GPIO / SERCOM2 / ADC AIN13 |
| Chân 17 | PA14 — GPIO / SERCOM2 / ADC AIN14 |
| Chân 18 | PA15 — GPIO / SERCOM2 / ADC AIN15 |
| Chân 19 | PA16 — GPIO / SERCOM1 / I2C SDA |
| Chân 20 | PA17 — GPIO / SERCOM1 / I2C SCL |
| Chân 21 | PA18 — GPIO / SERCOM1 |
| Chân 22 | PA19 — GPIO / SERCOM1 |
| Chân 23 | PA20 — GPIO / SERCOM3 |
| Chân 24 | PA21 — GPIO / SERCOM3 |
| Chân 25 | PA22 — GPIO / SERCOM3 / SWDIO |
| Chân 26 | PA23 — GPIO / SERCOM3 / SWCLK |
| Chân 27 | PA24 — GPIO / SERCOM3 |
| Chân 28 | PA25 — GPIO / SERCOM3 |
| Chân 29 | RESET — Reset input, active low |
| Chân 30 | VDDANA — Analog supply voltage |
| Chân 31 | VSW — DC-DC converter switch node |
| Chân 32 | VDD — Core supply voltage |
Ứng dụng tiêu biểu
ATSAML11E16A-MUT phù hợp cho 6 Áp dụngs: Secure IoT Sensor Node, Wearable Health Monitor, Smart Meter / Utility Endpoint, Smart Home / Building Automation, Secure Authentication Peripheral, Industrial Sensor / Edge AI Node.
Secure IoT Sensor Node
The ATSAML11E16A-MUT is ideally suited for battery-powered secure IoT sensor nodes that transmit sensitive telemetry over LoRaWAN, BLE, or sub-GHz radio. Its ARM TrustZone-M isolates the secure credential storage and key handling from application code, while the hardware AES-128/SHA-256 accelerator offloads TLS 1.3 handshake computation from the 32 MHz Cortex-M23 core. Active current below 25 uA/MHz and sleep current under 100 nA enable multi-year operation on a single CR2032 coin cell. The 12-bit 1 MSPS ADC captures sensor data with high dynamic range, and the 32-VQFN 5x5 mm footprint fits inside miniature sensor housings.
Được đề xuất
Wearable Health Monitor
For wearable health monitors such as fitness bands, continuous glucose monitors (CGM), and smartwatches, the ATSAML11E16A-MUT delivers the right balance of compute, security, and battery life. The Cortex-M23 at 32 MHz executes sensor fusion and on-device analytics while consuming less than 25 uA/MHz. TrustZone protects biometric data and ensures HIPAA/GDPR-relevant patient privacy at the chip level. The 12-bit ADC interfaces with PPG, ECG, and temperature sensors; the 10-bit DAC drives haptic feedback or buzzer waveforms. Sleep mode under 100 nA with RAM retention allows always-on heart-rate monitoring on a single 80 mAh Li-Po cell lasting 7-10 days.
Được đề xuất
Smart Meter / Utility Endpoint
In smart electricity, water, and gas meters, the ATSAML11E16A-MUT serves as the secure metrology and communication controller. Its hardware crypto accelerator secures DLMS/COSEM or Wireless M-Bus communication, while TrustZone isolates revenue-metering code from utility application logic to prevent tampering. The wide 1.62-3.63 V supply range accommodates direct battery operation and energy harvesting sources. Industrial temperature grade (-40C to +85C) and 100 nA sleep current enable 10-20 year battery life. The 32-VQFN package with exposed pad supports reflow soldering on compact meter PCBs.
Được đề xuất
Smart Home / Building Automation
The ATSAML11E16A-MUT powers secure smart-home devices such as connected door locks, thermostats, and Matter/Thread/Zigbee end nodes. TrustZone-M isolates the secure commissioning flow (NFC/battery-based pairing) from the main application, while AES-128 hardware encryption secures Matter/Thread commissioning exchanges. Multiple SERCOM peripherals (I2C/SPI/UART) interface with environmental sensors, motor drivers for locks/valves, and Wi-Fi/BLE co-processors. Sub-100 nA sleep current with RTC wake enables battery-operated door locks lasting over a year on 4xAA cells.
Được đề xuất
Secure Authentication Peripheral
FIDO2 security keys, USB authenticators, and hardware root-of-trust dongles leverage the ATSAML11E16A-MUT for chip-level credential protection. The secure boot ROM verifies firmware signatures on every power-up, preventing malicious code injection. AES-256/SHA-256/TRNG hardware accelerators perform the cryptographic operations required for FIDO2/WebAuthn, OpenPGP, and PIV smart-card profiles at sub-100 ms latency. The 32-VQFN 5x5 mm package fits inside USB-A key fobs, and the Cortex-M23's small die area keeps unit cost low for high-volume consumer authentication products.
Được đề xuất
Industrial Sensor / Edge AI Node
For industrial edge sensors and predictive-maintenance nodes, the ATSAML11E16A-MUT provides secure compute and connectivity in a 32-VQFN industrial-grade package. The Cortex-M23 plus on-chip crypto enables lightweight edge AI inference (anomaly detection on vibration, temperature, or pressure data) with hardware-secured firmware update. The 12-bit 1 MSPS ADC captures high-bandwidth vibration signals from accelerometers; SERCOM interfaces connect to RS-485 transceivers, IO-Link PHYs, or CAN-FD controllers. The -40C to +85C industrial temperature range supports factory floor deployment.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho ATSAML11E16A-MUT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | ATSAML11D16A-MUT | ATSAML11E15A-MUT | ATSAML11E16A-MFTKPH | ATSAML10E16A-MUT |
|---|---|---|---|---|---|
| Package | 32-VQFN (5x5) | 32-VQFN (5x5) - same | 32-VQFN (5x5) - same | 32-VQFN (5x5) - same | 32-VQFN (5x5) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Cortex-M23 @ 32 MHz | Cortex-M23 @ 32 MHz | Cortex-M23 @ 32 MHz | Cortex-M23 @ 32 MHz | Cortex-M23 @ 32 MHz |
| Flash Memory | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| SRAM | 16 KB | 16 KB | 8 KB | 16 KB | 16 KB |
| TrustZone-M | Yes | No | Yes | Yes | No |
| Hardware Crypto | AES-128/256 + SHA-256 + TRNG | None | AES-128/256 + SHA-256 + TRNG | AES-128/256 + SHA-256 + TRNG | None |
| Supply 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 |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Industry's first Cortex-M23 MCU with hardware TrustZone-M and chip-level tamper resistance (vsATSAML10E16A-MUT)
- Lower active and sleep current than Cortex-M0+/M4 alternatives (vsATSAMG55J19B-MUT (Cortex-M4 @ 120 MHz))
- Drop-in pin compatibility across the entire SAM L10/L11 family (vsATSAML11E15A-MUT (32 KB Flash variant))
Ghi chú thiết kế
Place a 100 nF X7R decoupling capacitor as close as possible to every VDD, VDDANA, and VDDIO pin (within 2 mm trace length). Add a single bulk 4.7 uF X5R capacitor on the VDDANA rail and another 4.7 uF on VDDIO. The exposed thermal pad (EP) on the 32-VQFN package must be soldered to a continuous ground copper pour of at least 25 mm^2 for thermal dissipation. Place the EP via array (at least 9 vias in a 3x3 grid) directly under the pad to maximize heat transfer. Keep high-speed SERCOM signal traces short and routed over a continuous reference ground plane to avoid EMI.
The ATSAML11E16A-MUT integrates a DC-DC buck converter and an LDO. For battery applications drawing less than 10 mA average, use the DC-DC buck mode by connecting an external 4.7 uH inductor between VSW and the LDO input pin; this reduces core current consumption by 30-50% compared to LDO-only mode. For designs where the MCU is always powered from a stable 3.3 V rail, LDO-only mode simplifies the BOM by eliminating the inductor. Estimated: a 3.3 V -> 1.2 V buck conversion at 5 mA load achieves ~85% efficiency versus ~36% for the LDO, saving ~17 mW of dissipation at the same load.
Do not connect the EP (exposed pad) to a non-ground net, or thermal performance will degrade and ground bounce will increase. Do not apply external voltage to any GPIO before VDDIO ramps up, or latch-up may occur. For secure boot to function, NVM Software Calibration Row bits must be configured before the first reset release. When migrating from ATSAML10 to SAM L11, the TrustZone Configuration Register (TZCTRL) defaults to non-secure after reset - explicitly call NVMCTRL_OTPRead() and configure the TrustZone Attribute Unit (TAU) during early boot to lock peripheral access. Pin 22 and 23 (SWDIO, SWCLK) are required for debug access; do not repurpose these unless fuse-locked for production.
The SERCOM peripheral pins support either I2C, SPI, or UART modes configured via software - re-mapping SERCOM channels after PCB layout is straightforward but may require gate-array rerouting on dense boards. For I2C lines above 400 kHz, use 4.7 kohm pull-ups to VDDIO; for I2C Fast Mode Plus (1 MHz) use 1 kohm pull-ups. The 12-bit ADC input impedance is typically 70 kohm at 1 MSPS - drive from a low-impedance op-amp buffer for full-scale accuracy. The SWD debug lines (SWDIO, SWCLK) should be 50-ohm impedance-controlled if traces exceed 50 mm; place a 100 ohm series termination at the MCU end to dampen ringing.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - automotive designs should use ATSAMx7x AEC-Q100 variants. REACH compliant. Lead-free matte-tin finish. Halogen-free per IEC 61249-2-21.
