ATSAML11E16A-MF - 32MHz Cortex-M23 MCU 64KB Flash | Microchip
N.º da peça: ATSAML11E16A-MF ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.92 | $3,92 |
| 10 | $3.55 | $35,50 |
| 100 | $2.99 | $299,00 |
| 500 | $2.65 | $1.325,00 |
| 1.000 | $2.32 | $2.320,00 |
| 3.000 | $2.05 | $6.150,00 |
ATSAML11E16A-MF Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable peripherals. The Cortex-M23 is an ARMv8-M baseline core optimized for energy-efficient embedded applications. Positioned in the SAM L11 lineup between simpler Cortex-M0+ devices and higher-performance Cortex-M4 parts, the ATSAML11E16A-MF emphasizes deterministic execution, low power, and hardware-rooted security, making it suitable for IoT endpoints, secure sensors, and battery-powered medical devices.
Key features include a 64KB Flash program memory (64K x 8 organization), 16KB SRAM, TrustZone for ARMv8-M with secure/non-secure partitioning, a True Random Number Generator (TRNG), secure key storage, chip-level tamper resistance, and a rich peripheral set including ADC, SERCOM, timers, and an on-chip temperature sensor. The AEC-Q100 qualification makes it suitable for automotive body and chassis applications. The integrated Power-on Reset (POR), brown-out detector, and 12-bit 1Msps ADC simplify BOM while supporting sensor fusion and analog monitoring tasks.
Architecturally, the SAM L11 uses a single-cycle I/O bus and a low-latency interrupt controller (NVIC) to deliver deterministic response. Hardware cryptographic accelerators for AES and SHA offload secure boot and TLS operations from the CPU, while TrustZone isolates firmware IP from third-party application code.
Typical applications include secure IoT sensor nodes, smart metering, wireless connectivity co-processors (LoRa, BLE, sub-GHz), wearable health monitors, automotive body controllers, and HMI touch interfaces. Compared with the SAML10 family, the SAML11 adds TrustZone, more SRAM, and dedicated crypto primitives; versus Cortex-M0+ MCUs it provides higher MIPS per MHz with deterministic interrupt handling.
When designing with this part, ensure the VQFN-5x5 thermal pad is soldered to a sufficient copper pour for heat dissipation, and follow Microchip application note TB3196 for TrustZone partition configuration. Decoupling: place 100 nF X7R on each VDD pin and a 4.7 uF bulk capacitor within 10 mm of the IC.
This page synthesizes distributor pricing, AEC-Q100-qualified drop-in alternatives, and practical TrustZone configuration guidance not consolidated in the manufacturer datasheet.
Alternativas drop-in para ATSAML11E16A-MF — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com ATSAML11E16A-MF (mesmo formato e footprint) — diferindo em Operating Temperature, Package, Security, ADC, Active Current.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAML11E16A-AUTKPH
✅ Drop-In✓ Em estoque
$3.1 / unidade
Ver ficha técnica →ATSAML11E16A-AFT
✅ Drop-In✓ Em estoque
$2.85 / unidade
Ver ficha técnica →ATSAML11E16A-MFT
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
ATSAML11E15A-MFT
✅ Drop-In✓ Em estoque
$1.89 / unidade
Ver ficha técnica →ATSAML11D16A-MFTKPH
✅ Drop-In✓ Em estoque
$2.55 / unidade
Ver ficha técnica →ATSAML10E16A-MF
✅ Drop-In✓ Em estoque
$2.21 / unidade
Ver ficha técnica →ATSAML11E16A-MF Classificações máximas e características elétricas
| Core | ARM Cortex-M23 |
| Core Architecture | ARMv8-M Baseline |
| Frequência máxima de clock | 32 MHz |
| Bit Width | 32-bit |
| Flash Memory | 64 KB (64K x 8) |
| SRAM | 16 KB |
| Operating Voltage Range | 1.62 V to 3.63 V |
| Active Current | < 25 uA/MHz |
| Sleep Current | < 100 nA |
| Encapsulamento | 32-VQFN (5x5 mm) with Exposed Pad |
| Tipo de montagem | Surface Mount |
| Security Feature | ARM TrustZone for ARMv8-M |
| Temperatura de operação | -40C to +125C |
| AEC-Q100 | Qualified |
| Status RoHS | Compliant |
| Peripherals | SERCOM, ADC, Timers, RTC, TRNG |
| Nível MSL | MSL3 |
Configuração de pinos do ATSAML11E16A-MF
| Pino 1 | PA00 — GPIO/ICDD0 |
| Pino 2 | PA01 — GPIO/XIN32 |
| Pino 3 | PA02 — GPIO/AIN0 |
| Pino 4 | PA03 — GPIO/REF |
| Pino 5 | GND — Ground |
| Pino 6 | VDDIO — I/O supply voltage |
| Pino 7 | PA04 — GPIO/AIN1 |
| Pino 8 | PA05 — GPIO/AIN2 |
| Pino 9 | PA06 — GPIO/AIN3 |
| Pino 10 | PA07 — GPIO/AIN4 |
| Pino 11 | VDDCORE — Core voltage output |
| Pino 12 | PA08 — GPIO/SERCOM0 PAD0 |
| Pino 13 | PA09 — GPIO/SERCOM0 PAD1 |
| Pino 14 | PA10 — GPIO/SERCOM0 PAD2 |
| Pino 15 | PA11 — GPIO/SERCOM0 PAD3 |
| Pino 16 | GND — Ground |
| Pino 17 | PA14 — GPIO/SERCOM2 PAD0 |
| Pino 18 | PA15 — GPIO/SERCOM2 PAD1 |
| Pino 19 | PA16 — GPIO/SERCOM1 PAD0 |
| Pino 20 | PA17 — GPIO/SERCOM1 PAD1 |
| Pino 21 | PA18 — GPIO/SERCOM3 PAD0 |
| Pino 22 | PA19 — GPIO/SERCOM3 PAD1 |
| Pino 23 | PA22 — GPIO/SERCOM3 PAD2 |
| Pino 24 | PA23 — GPIO/SERCOM3 PAD3 |
| Pino 25 | PA24 — GPIO/USB DP |
| Pino 26 | PA25 — GPIO/USB DM |
| Pino 27 | nRESET — Reset input (active low) |
| Pino 28 | VDDIO — I/O supply voltage |
| Pino 29 | GND — Ground |
| Pino 30 | VDDANA — Analog supply voltage |
| Pino 31 | PA27 — GPIO/XOUT32 |
| Pino 32 | PA28 — GPIO/XIN |
Aplicações típicas
ATSAML11E16A-MF é adequado para 6 aplicaçãos: Secure IoT Sensor Nodes, Smart Metering, Wearable Health Monitors, Automotive Body Controllers, HMI Touch Interfaces, Industrial Wireless Sensor Networks.
Secure IoT Sensor Nodes
The ATSAML11E16A-MF's ARM TrustZone hardware isolation, on-chip TRNG, and cryptographic accelerators make it ideal for secure IoT endpoints that must protect credentials and firmware IP. With less than 25 uA/MHz active and less than 100 nA sleep current, it enables multi-year battery life on coin-cell powered nodes measuring temperature, humidity, or air quality. The 64KB Flash stores TLS stacks and Over-the-Air update bootloaders, while 16KB SRAM supports concurrent secure/non-secure tasks. AEC-Q100 qualification enables deployment in connected automotive sensors where reliability under -40C to +125C is required.
Recomendado
Smart Metering
The ATSAML11E16A-MF's 12-bit ADC, low-power operation, and Tamper-resistant TrustZone secure storage make it well suited for electricity, gas, and water metering applications. Less than 100 nA sleep current extends battery life in AMR/AMI endpoints, while the 1Msps ADC handles multi-channel analog front-end sampling for current/voltage sensing. The 64KB Flash accommodates segmented metering firmware and DLMS/COSEM communication stacks, and the AEC-Q100 grade supports outdoor installations exposed to automotive-grade thermal stress.
Recomendado
Wearable Health Monitors
The ATSAML11E16A-MF suits wearable health devices such as fitness bands, continuous glucose monitors, and pulse oximeters thanks to its sub-25 uA/MHz active consumption and 32-pin QFN 5x5 footprint that fits wristband form factors. The Cortex-M23 core delivers deterministic interrupt response for sensor-fusion tasks, while on-chip SERCOM ports interface I2C/SPI biosensors (PPG, SpO2, body temperature). TrustZone protects PHI (Protected Health Information) on-device, helping designers meet HIPAA-style data isolation requirements without an external secure element.
Recomendado
Automotive Body Controllers
AEC-Q100 qualification, -40C to +125C operation, and the 32-VQFN automotive-grade package make the ATSAML11E16A-MF a strong fit for body controllers managing lighting, RKE receivers, HVAC actuators, and door modules. The 32 MHz Cortex-M23 core handles LIN/CAN-FD message processing, while TrustZone isolates OEM diagnostic routines from third-party telematics code. Hardware AES/SHA accelerates secure firmware update verification over CAN, and less than 100 nA sleep current supports quiescent current budgets required for always-on body modules.
Recomendado
HMI Touch Interfaces
Capacitive touch button sliders, gesture pads, and small TFT interfaces benefit from the ATSAML11E16A-MF's SERCOM peripherals, PTC (Peripheral Touch Controller), and DMA-driven event system that offloads touch scanning from the CPU. The 64KB Flash stores touch tuning parameters and gesture recognition libraries, while the Cortex-M23 deterministic interrupts ensure sub-10 ms touch response. The compact 5x5 mm QFN package supports dense PCB layouts behind glass panels, and less than 25 uA/MHz enables battery-powered remote controls with multi-year coin-cell life.
Recomendado
Industrial Wireless Sensor Networks
The ATSAML11E16A-MF pairs naturally with sub-GHz transceivers (LoRa, Wireless M-Bus, Z-Wave, Zigbee) in industrial WSN gateways measuring tank levels, pipeline pressures, and machine vibration. Its hardware crypto accelerators accelerate DTLS handshake during provisioning, while TrustZone isolates device certificates. The 32 MHz Cortex-M23 with single-cycle I/O delivers deterministic sensor polling intervals crucial for predictive maintenance algorithms. Less than 100 nA sleep current and 1.62V minimum supply enable direct battery operation from single LiSOCl2 cells used in remote installations.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAML11E16A-MF — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAML11E16A-AUTKPH | ATSAML11E16A-AFT | ATSAML11E16A-MFT | ATSAML11E15A-MF | ATSAML11D16A-MFTKPH | ATSAML10E16A-MF |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | 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 | 32-VQFN (5x5 mm) - same | 32-VQFN (5x5 mm) - same |
| Flash Memory | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB | 64 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 8 KB |
| ARM TrustZone | Yes | Yes | Yes | Yes | Yes | Yes | No |
| AEC-Q100 | Yes | Yes | Yes | No | Yes | Yes | Yes |
| Operating Temperature | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +125C | -40C to +85C | -40C to +125C |
| Crypto Accelerators | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG | AES, SHA, TRNG | TRNG only |
| Pin-to-Pin Compatible | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Principais diferenciais
- Industry's lowest-power Cortex-M23 with TrustZone (vs ATSAML10E16A-MF)
- AEC-Q100 Grade 1 automotive qualification (vs ATSAML11E16A-MFT)
- Best-in-class 100 nA sleep current with RTC retention (vs ATSAML11D16A-MFTKPH)
- Hardware cryptographic accelerators (vs Generic Cortex-M0+ MCU)
- Single-cycle I/O bus for deterministic interrupts (vs Cortex-M0+ MCU)
Notas de projeto
The ATSAML11E16A-MF integrates a 1.2V LDO from VDDIO/VDDANA to VDDCORE - no external core regulator is required. Place a 4.7uF X5R bulk capacitor on VDDIO within 10 mm and a 100 nF X7R decoupling capacitor on each VDDIO/VDDANA pin. For sleep currents below 1 uA, disable all SERCOM peripherals and switch unused GPIO to input with pull-up before issuing WFI.
The 32-VQFN 5x5 mm package has an exposed thermal pad (EP) that MUST be soldered to a continuous ground copper pour of at least 25 mm^2 to meet thermal ratings. At maximum active load (32 MHz, all peripherals enabled, GPIO toggling), the device dissipates roughly 12 mW - well within the 0.5W thermal envelope, but poor EP soldering can elevate junction temperature by 10-15C and shift ADC readings.
Route the 32 kHz crystal traces (PA01/XIN32 and PA31/XOUT32) as short as possible (< 5 mm), surrounded by a grounded guard ring. Keep the crystal within 5 mm of the MCU and shield it from high-speed digital traces. The DFP (Device Firmware Upgrade) USB pins (PA24/PA25) require 90-ohm differential routing if USB is used; otherwise leave as GPIO.
Common pitfalls with the ATSAML11E16A-MF: (1) Forgetting to set the NVMCTRL.FUSES.SECCTRL register to enable TrustZone - the MCU will boot as non-secure by default; (2) Configuring PA00/PA28 as ADC inputs while keeping the XIN oscillator running causes 2-3 LSB ADC noise; (3) Using Bit-Bang I2C on SERCOM pads with internal pull-ups causes timing violations above 100 kHz - use SERCOM peripheral instead.
The 12-bit ADC achieves 1 Msps, but to preserve ENOB above 10 bits, place a 10nF C0G/NP0 capacitor on the AIN pin and keep analog traces short. Route AIN traces away from SERCOM switching signals. The internal 1.0V voltage reference has 10 mV total error across temperature; for precision measurements, use the external MCP3911A0 24-bit ADC companion.
Informações de conformidade
AEC-Q100 Grade 1 qualified per Microchip product page. RoHS and REACH compliant. Lead-free and halogen-free packaging per Microchip material declaration.
