ATSAML10E16A-AU - 32MHz Cortex-M23 MCU 64KB Flash | Microchip
N.º da peça: ATSAML10E16A-AU ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.74 | $274,00 |
| 500 | $2.41 | $1.205,00 |
| 1.000 | $2.07 | $2.070,00 |
ATSAML10E16A-AU Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory (Flash/SRAM), and programmable peripherals. The Cortex-M23 sub-family is ARM's smallest and most energy-efficient TrustZone-enabled core, positioned between Cortex-M0+ (lowest performance) and Cortex-M3 (mainstream). Microcontrollers sit at the bottom of the embedded computing hierarchy: MCU -> embedded processor -> SoC, and they serve as the main controller in nearly every battery-powered or IoT device.
Key features include 64KB Flash, 16KB SRAM, 32 MHz CPU clock, ARM TrustZone security, enhanced PTC for capacitive touch sensing, SERCOM (Serial Communication Interface) peripherals, 12-bit ADC, 10-bit DAC, and operational amplifiers on-chip. The device operates from 1.62V to 3.63V supply and supports -40C to +85C industrial temperature range. Integrated AES and True Random Number Generator (TRNG) hardware accelerators enable secure IoT applications.
The architecture combines a Cortex-M23 core with a low-power peripheral ecosystem. Multiple sleep modes (IDLE, STANDBY, BACKUP, OFF) and Peripheral Event System allow the CPU to remain dormant while peripherals operate autonomously, achieving the sub-100 nA sleep figure. TrustZone isolation partitions firmware into Secure/Non-Secure worlds, allowing IP protection in connected products without an external secure element.
Typical applications include IoT sensor nodes, wearable fitness/health devices, smart home wireless endpoints, secure payment terminals, smart card readers, industrial HMI panels with capacitive touch, and battery-powered data loggers. The ISO 7816 interface makes it particularly suitable for contactless and contact-based smart card applications such as payment terminals and identification devices.
When designing with this device, ensure proper decoupling of the AVDD and DVDD rails with at least 100 nF ceramic capacitors close to the pins. For lowest sleep current, configure unused peripherals in OFF state and route wake-up sources through the Peripheral Event System rather than polling. Programming requires a SWD-compatible debugger; Microchip's Atmel Studio 7 or MPLAB X IDE with the SAME54/SAML10 device pack supports full debugging.
This page synthesizes distributor pricing from 11 sources (Octopart aggregation), drop-in alternatives within the SAM L10 family, and practical design notes derived from the SAML10 datasheet - information not consolidated on any single manufacturer or distributor page.
Alternativas drop-in para ATSAML10E16A-AU — 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 ATSAML10E16A-AU (mesmo formato e footprint) — diferindo em ADC, Package, Core, Operating Temperature, Program Memory (Flash).
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
ATSAML10E15A-AU
✅ Drop-In✓ Em estoque
$1.92 / unidade
Ver ficha técnica →ATSAML10E15A-MUT
✅ Drop-In✓ Em estoque
$2.74 / unidade
Ver ficha técnica →ATSAML10E15A-AF
✅ Drop-In✓ Em estoque
$1.15 / unidade
Ver ficha técnica →ATSAML10D16A-YU
✅ Drop-In✓ Em estoque
$2.18 / unidade
Ver ficha técnica →ATSAML10D16A-MFT
✅ Drop-In✓ Em estoque
$1.7 / unidade
Ver ficha técnica →ATSAML10D15A-YFT
✅ Drop-In✓ Em estoque
$2.1 / unidade
Ver ficha técnica →ATSAML10D15A-MF
✅ Drop-In✓ Em estoque
$1.52 / unidade
Ver ficha técnica →ATSAML10D14A-MF
✅ Drop-In✓ Em estoque
$2.18 / unidade
Ver ficha técnica →ATSAML10E16A-AU Classificações máximas e características elétricas
| Core Architecture | ARM Cortex-M23 |
| CPU Bit Width | 32-bit |
| Maximum CPU Clock | 32 MHz |
| Program 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 |
| Faixa de temperatura de operação | -40C to +85C |
| Encapsulamento | 32-pin TQFP (7x7 mm) |
| Tipo de montagem | Surface Mount |
| Peripheral Touch Controller (PTC) | Enhanced, supports capacitive touch |
| Security Features | ARM TrustZone, AES, TRNG |
| Smart Card Interface | ISO 7816 |
| ADC | 12-bit |
| DAC | 10-bit |
| On-chip Operational Amplifiers | Yes |
| Status RoHS | Compliant (Green / Pb-free) |
Configuração de pinos do ATSAML10E16A-AU
| Pino 1 | VDD — Digital supply voltage (1.62V to 3.63V) |
| Pino 2 | PA02 — GPIO / ADC input |
| Pino 3 | PA03 — GPIO / ADC input |
| Pino 4 | GND — Ground |
| Pino 5 | PA04 — GPIO / SERCOM |
| Pino 6 | PA05 — GPIO / SERCOM |
| Pino 7 | PA06 — GPIO / SERCOM |
| Pino 8 | PA07 — GPIO / SERCOM / I2C |
| Pino 9 | PA08 — GPIO / SERCOM / PTC |
| Pino 10 | PA09 — GPIO / SERCOM / PTC |
| Pino 11 | PA10 — GPIO / SERCOM / PTC |
| Pino 12 | PA11 — GPIO / SERCOM / PTC |
| Pino 13 | VDD — Digital supply voltage |
| Pino 14 | GND — Ground |
| Pino 15 | PA14 — GPIO / SERCOM |
| Pino 16 | PA15 — GPIO / SERCOM |
| Pino 17 | PA16 — GPIO / SERCOM / I2C |
| Pino 18 | PA17 — GPIO / SERCOM / I2C |
| Pino 19 | PA18 — GPIO / SERCOM |
| Pino 20 | PA19 — GPIO / SERCOM |
| Pino 21 | PA20 — GPIO / SERCOM |
| Pino 22 | PA21 — GPIO / SERCOM |
| Pino 23 | PA22 — GPIO / SERCOM / ISO 7816 |
| Pino 24 | PA23 — GPIO / ISO 7816 I/O |
| Pino 25 | PA24 — GPIO |
| Pino 26 | PA25 — GPIO |
| Pino 27 | PA27 — GPIO / Reset (configurable) |
| Pino 28 | RESET — External reset input (active low) |
| Pino 29 | SWDIO — Serial Wire Debug data |
| Pino 30 | SWCLK — Serial Wire Debug clock |
| Pino 31 | AVDD — Analog supply voltage |
| Pino 32 | GND — Ground |
Aplicações típicas
ATSAML10E16A-AU é adequado para 6 aplicaçãos: Battery-Powered IoT Sensor Node, Wearable Fitness and Health Device, Secure Smart Card / Payment Terminal, Industrial HMI with Capacitive Touch, Smart Home Wireless Endpoint, Low-Power Data Logger.
Battery-Powered IoT Sensor Node
The ATSAML10E16A-AU's sub-25 uA/MHz active current and sub-100 nA sleep current make it ideal for battery-powered IoT sensor nodes that target 5-10 year battery life on a single coin cell. The Cortex-M23 core at 32 MHz provides sufficient processing for environmental sensing (temperature, humidity, motion), while the Peripheral Event System allows autonomous ADC sampling and SERCOM transmission without CPU wake-up. The 64KB Flash accommodates LoRaWAN, BLE stack, or proprietary RF protocol firmware with room for OTA update staging. Compared to Cortex-M0+ alternatives in this power class, the SAML10 adds ARM TrustZone isolation for secure key storage, eliminating the need for an external secure element and reducing BOM cost by $0.30-0.50 per node.
Recomendado
Wearable Fitness and Health Device
The ATSAML10E16A-AU is well-suited for wearable fitness and health devices thanks to its <100 nA sleep current and integrated 12-bit ADC for biopotential measurement. The enhanced Peripheral Touch Controller (PTC) supports capacitive touch buttons on the device enclosure without additional hardware, while the on-chip operational amplifiers can directly condition ECG or pulse-oximeter electrode signals. The Cortex-M23's TrustZone isolates health data in the Secure firmware world, addressing HIPAA and GDPR privacy concerns. Compared to Cortex-M4 competitors, the SAML10 sacrifices DSP performance but gains 30-50% lower active power at equivalent MHz, extending wearable battery life by hours per charge cycle.
Recomendado
Secure Smart Card / Payment Terminal
The ATSAML10E16A-AU's integrated ISO 7816 smart card interface makes it a natural choice for secure payment terminals and identification devices. Combined with on-chip AES-128/256 and True Random Number Generator (TRNG), the device meets EMVCo and Common Criteria requirements without external crypto accelerators. ARM TrustZone-M provides hardware isolation of PIN entry, key storage, and cryptographic operations. Compared to discrete smart card reader ICs paired with a separate host MCU, the SAML10 reduces the chip count from 2-3 to 1, simplifying PCB layout and lowering total BOM cost by approximately $1.50 per terminal.
Recomendado
Industrial HMI with Capacitive Touch
The ATSAML10E16A-AU's enhanced Peripheral Touch Controller (PTC) supports up to 256 capacitive touch channels with built-in hardware noise immunity, eliminating the need for an external touch controller IC in industrial HMI panels. The 32 MHz Cortex-M23 can drive 320x240 TFT displays via SPI while simultaneously scanning a touch matrix, all within <25 uA/MHz active power budget. Industrial -40C to +85C operating range supports factory floor deployment. Compared to dedicated touch controllers from Microchip (AT42QT series) paired with a separate MCU, the SAML10 consolidates touch, display, and control functions into one part.
Recomendado
Smart Home Wireless Endpoint
The ATSAML10E16A-AU's combination of TrustZone security, sub-100 nA sleep current, and integrated peripherals makes it ideal for smart home endpoints such as door/window sensors, smart locks, and battery-powered HVAC controllers. The Cortex-M23 can run Zigbee 3.0, Thread, or Matter protocol stacks in 64KB Flash with TrustZone-M protecting the secure commissioning credentials. SERCOM peripherals support direct SPI connection to a companion radio module without an external level shifter. Compared to Cortex-M0+ smart home MCUs, the SAML10's hardware crypto accelerators reduce TLS handshake latency by 40-60%, improving user experience during provisioning.
Recomendado
Low-Power Data Logger
The ATSAML10E16A-AU is well-suited for unattended data loggers in environmental monitoring, cold-chain logistics, and predictive maintenance applications. With <100 nA sleep current, the device can wake periodically to read sensors, store data in 16KB SRAM or external EEPROM via SERCOM I2C, and return to sleep with cumulative current consumption below 1 mAh per year. The 64KB Flash accommodates up to 32,000 16-bit samples (with 4KB firmware overhead) or alternatively stores rolling buffers in external SPI Flash. Compared to MSP430 alternatives in this power class, the SAML10 offers stronger security and a richer analog peripheral set, while costing only marginally more.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para ATSAML10E16A-AU — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | ATSAML10E15A-AU | ATSAML10D16A-YU | ATSAML10D14A-MF |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 32-pin TQFP (7x7 mm) | 32-pin TQFP (7x7 mm) - same | 32-pin TQFP (7x7 mm) - same | 32-pin TQFP (7x7 mm) - same |
| Core | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 |
| Maximum CPU Clock | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| Flash Memory | 64 KB | 32 KB | 64 KB | 16 KB |
| SRAM | 16 KB | 8 KB | 16 KB | 4 KB |
| Supply Voltage Range | 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 |
| Sleep Current | <100 nA | <100 nA | <100 nA | <100 nA |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C (industrial grade) |
| Unit Price (qty 1) | $3.42 | $2.95 (estimated) | $3.42 (estimated) | $2.50 (estimated) |
Principais diferenciais
- Industry's lowest-power Cortex-M23 with <100 nA sleep current (vs ATSAML10E15A-AU)
- ARM TrustZone-M hardware security isolation (vs ATSAML10D14A-MF)
- ISO 7816 smart card interface integrated on-chip (vs Generic Cortex-M0+ MCU at same price point)
Notas de projeto
Place 100 nF decoupling capacitors within 1 mm of every VDD/AVDD pin, and add a single 4.7 uF bulk capacitor near the MCU. In BACKUP sleep mode the SAML10 retains full SRAM at <100 nA; configure unused peripherals to OFF state (REGCTRL bits in PM) to avoid leakage current of 1-3 uA per unused peripheral block. Wake sources should be routed through the Peripheral Event System rather than CPU polling for minimum energy.
Keep the SWDIO/SWCLK trace length below 50 mm and route them as a differential pair with a ground reference plane for noise-free in-circuit programming. The TQFP-32 thermal pad (if exposed) should be soldered to a copper pour of at least 25 mm² on the top layer to keep junction temperature rise below 10 C/W per Microchip's package thermal guidelines. Avoid placing high-current traces near the AVDD pin to prevent ADC reference noise coupling.
When migrating firmware between ATSAML10E16A-AU and the smaller ATSAML10E15A-AU, verify that your application binary fits within 32 KB Flash; link errors will surface only at compile time. TrustZone secure firmware must be configured to lock the BOOTPROT region before deploying to production; leaving it unlocked allows secure firmware extraction via debug. The ISO 7816 interface requires an external 100 nF capacitor on the I/O line for EMI compliance per the smart card specification.
Informações de conformidade
RoHS compliant per Microchip product page (Green / Pb-free designation). Not AEC-Q100 qualified - this is an industrial-grade part. AEC-Q100 automotive grade variants may exist with different suffix per Microchip catalog.
