ATSAML10D15A-MUT - 32KB Flash Cortex-M23 MCU | Microchip 24-VQFN
料号： ATSAML10D15A-MUT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $3.84 | $3.84 |
| 10 | $3.45 | $34.50 |
| 100 | $2.91 | $291.00 |
| 500 | $2.45 | $1,225.00 |
| 1,000 | $2.12 | $2,120.00 |
ATSAML10D15A-MUT 概述
A microcontroller (MCU) is a single-chip processor that integrates a CPU core, volatile memory (SRAM), non-volatile program memory (Flash), and programmable peripherals into one package. The Cortex-M23 is the smallest and most energy-efficient ARMv8-M baseline processor, sitting below Cortex-M0+/M4 in the ARM Cortex-M family hierarchy (Cortex-M23 -> Cortex-M0 -> Cortex-M microcontroller -> embedded processor). SAM L10 extends that baseline with Microchip's proprietary peripherals such as the Peripheral Touch Controller (PTC) and TrustZone-M security.
Key features of the ATSAML10D15A-MUT include the 32 KB Flash program memory, 8 KB SRAM, a Peripheral Touch Controller for capacitive sensing, a 12-bit ADC and DAC, multiple SERCOM serial interfaces, an ISO7816 smart-card interface, and the Event System for low-latency inter-peripheral signalling. The wide 1.62-3.63 V supply range and integrated op-amp further reduce external component count.
Architecturally the device uses an ARMv8-M baseline core with single-cycle I/O access via the AHB-APB bridge, a low-power Always-On (AON) domain for RTC and counter, and a brown-out detector tied to the Power Manager. The Cortex-M23 also brings TrustZone-M hardware isolation for secure firmware partitions - rarely seen at this flash tier.
Typical applications include battery-powered IoT sensors, secure smart-card terminals, capacitive-touch user interfaces, low-power wearables, and home/building automation nodes where sleep-mode current dominates battery life.
Designers should budget decoupling (one 100 nF plus one 1 uF ceramic per VDD pin), verify the 24-VQFN thermal pad is soldered to a continuous ground pour for thermal/electrical performance, and confirm the chosen toolchain (MPLAB X IDE / XC32 / Microchip Studio + Keil / IAR) supports TrustZone-M if used.
This page consolidates distributor pricing, verified drop-in alternatives, and practical design notes that complement (not duplicate) the manufacturer datasheet.
直接替换替代料： ATSAML10D15A-MUT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： ATSAML10D15A-MUT （相同外形与封装尺寸） ——差异在于 ADC, RoHS Status, SRAM, DAC, Package.
快速对比工具——选择替代料号进行并排对比：
ATSAML10D16A-MUT
✅ 直接替换✓ 有现货
$2.51 / 个
查看数据手册 →ATSAML11D15A-MUT
✅ 直接替换📋 参考替代料（不在目录中）
ATSAML10D15A-MU
✅ 直接替换📋 参考替代料（不在目录中）
ATSAML10D15A-MZT
✅ 直接替换📋 参考替代料（不在目录中）
ATSAML10D14A-MF
✅ 直接替换✓ 有现货
$2.18 / 个
查看数据手册 →ATSAML10D15A-MUT 最大额定值与电气特性
| Core | ARM Cortex-M23 (ARMv8-M baseline, with TrustZone-M) |
| Maximum CPU Clock | 32 MHz |
| Flash Program Memory | 32 KB (32K x 8) |
| SRAM | 8 KB |
| 封装 | 24-VQFN (4x4 mm) |
| Operating Voltage (VDD) | 1.62 V to 3.63 V |
| Active Mode Current | < 25 uA/MHz |
| Sleep Mode Current | < 100 nA |
| 工作温度 | -40 C to +85 C |
| 安装类型 | Surface Mount |
| ADC | 12-bit (SAR) |
| DAC | 10-bit (per Microchip SAM L10 family) |
| Touch Controller | Peripheral Touch Controller (PTC) - capacitive sensing |
| Serial Interfaces | SERCOM (configurable as USART/SPI/I2C) |
| Smart Card Interface | ISO7816 |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
ATSAML10D15A-MUT 引脚配置
| 引脚 1 | PA00 — GPIO / XIN (crystal oscillator input) |
| 引脚 2 | PA01 — GPIO / XOUT (crystal oscillator output) |
| 引脚 3 | GND — Ground |
| 引脚 4 | VDD — Digital supply voltage (1.62-3.63 V) |
| 引脚 5 | PA02 — GPIO / AIN0 (ADC input) |
| 引脚 6 | PA03 — GPIO / AIN1 (ADC input) |
| 引脚 7 | PA04 — GPIO / AIN2 / VREFA |
| 引脚 8 | PA05 — GPIO / AIN3 |
| 引脚 9 | PA06 — GPIO / AIN4 |
| 引脚 10 | PA07 — GPIO / AIN5 |
| 引脚 11 | PA08 — GPIO / AIN6 / SERCOM0 PAD0 |
| 引脚 12 | PA09 — GPIO / AIN7 / SERCOM0 PAD1 |
| 引脚 13 | PA10 — GPIO / AIN8 / SERCOM0 PAD2 |
| 引脚 14 | PA11 — GPIO / AIN9 / SERCOM0 PAD3 |
| 引脚 15 | PA14 — GPIO / SERCOM2 PAD0 |
| 引脚 16 | PA15 — GPIO / SERCOM2 PAD1 |
| 引脚 17 | PA16 — GPIO / SERCOM1 PAD0 |
| 引脚 18 | PA17 — GPIO / SERCOM1 PAD1 |
| 引脚 19 | PA18 — GPIO / SERCOM3 PAD0 |
| 引脚 20 | PA19 — GPIO / SERCOM3 PAD1 |
| 引脚 21 | PA22 — GPIO / SERCOM1 PAD2 |
| 引脚 22 | PA23 — GPIO / SERCOM1 PAD3 |
| 引脚 23 | PA24 — GPIO / SERCOM3 PAD2 |
| 引脚 24 | PA25 — GPIO / SERCOM3 PAD3 |
典型应用
ATSAML10D15A-MUT 适用于 6 应用s: Battery-Powered IoT Sensor Nodes, Capacitive Touch User Interfaces, Smart-Card / ISO7816 Terminals, Low-Power Wearable Health Bands, Home / Building Automation Endpoints, Industrial Control Panel Modules.
Battery-Powered IoT Sensor Nodes
The ATSAML10D15A-MUT's <100 nA sleep current and <25 uA/MHz active current make it ideal for battery-powered IoT sensor nodes that sleep most of the time and wake briefly to transmit. The 32 KB Flash fits a small LoRaWAN or Zigbee stack plus application logic, and the 12-bit ADC reads battery voltage for fuel-gauging. Place the MCU between a 1.62-3.63 V coin-cell or Li-ion source and the radio module, with the Always-On domain holding RTC state across deep-sleep. Compared with Cortex-M0+ alternatives it consumes roughly 50% less sleep current thanks to the AON power domain.
推荐
Capacitive Touch User Interfaces
The integrated Peripheral Touch Controller (PTC) supports self- and mutual-capacitance sensing for buttons, sliders, and wheels without external touch ICs. The Cortex-M23's hardware divide and TrustZone-M let the secure firmware own the touch logic while non-secure code handles HMI. Drive a 3.3 V LDO rail with 100 nF + 1 uF decoupling directly to each VDD pin and route the PTC lines as guarded copper pours. Compared with discrete touch solutions, ATSAML10D15A-MUT eliminates the secondary IC and reduces BOM cost by ~$0.40 per board.
推荐
Smart-Card / ISO7816 Terminals
The ATSAML10D15A-MUT's hardware ISO7816 interface with direct smart-card clock and I/O control makes it well-suited for POS terminals, e-identification readers, and EMV payment modules. TrustZone-M isolates the cryptographic PIN-handling firmware from the application layer - a regulatory requirement for PCI PTS terminals. Use the on-chip 12-bit ADC to monitor the card-supply voltage and DAC to bias the card signal lines. Compared with Cortex-M0+ alternatives, the integrated ISO block removes 2-3 external components and cuts BOM cost.
推荐
Low-Power Wearable Health Bands
Sub-100 nA sleep current, integrated 12-bit ADC for heart-rate and SpO2 sensor readout, and the 24-VQFN (4x4 mm) footprint enable wearable health bands that run for weeks on a coin cell. The Cortex-M23's hardware divider speeds FFT-style heart-rate-variability algorithms while still consuming <25 uA/MHz. Pair with an external I2C biosensor and a low-energy BLE module (radio stays off-chip). Compared with Cortex-M4 alternatives, ATSAML10D15A-MUT achieves ~30% longer battery life by skipping M4's DSP overhead.
推荐
Home / Building Automation Endpoints
The ATSAML10D15A-MUT serves as the local control MCU in battery-powered door/window sensors, smart thermostats, and HVAC damper actuators. Its 1.62-3.63 V supply tolerates 2xAA cells down to end-of-life voltage without a boost converter. The Event System routes GPIO changes directly to the ADC/DAC without CPU wake-up, saving tens of microamps per interrupt. Compared with Cortex-M0+ parts, the integrated PTC and Event System eliminate a touch controller and a wake-up controller, reducing PCB area by ~25%.
推荐
Industrial Control Panel Modules
The ATSAML10D15A-MUT is used in industrial control panels for low-power HMI, sensor preprocessing, and secure parameter storage. TrustZone-M protects calibration constants in the secure region while the application code runs in non-secure mode - a critical feature for IEC 61508 SIL-2 designs. The 32 KB Flash is enough for simple supervisory logic, and the 12-bit ADC reads 4-20 mA loops via an external shunt. Compared with Cortex-M0+ alternatives, ATSAML10D15A-MUT adds hardware isolation that simplifies IEC 61508 certification by ~15%.
推荐
推荐产品汇总
工程参考数据： ATSAML10D15A-MUT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | ATSAML10D16A-MUT | ATSAML11D15A-MUT | ATSAML10D15A-MU | ATSAML10D15A-MZT | ATSAML10D14A-MF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Core | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 + crypto | ARM Cortex-M23 | ARM Cortex-M23 | ARM Cortex-M23 |
| Flash | 32 KB | 64 KB (+100%) | 32 KB (same) | 32 KB (same) | 32 KB (same) | 16 KB (-50%) |
| SRAM | 8 KB | 16 KB (+100%) | 8 KB (same) | 8 KB (same) | 8 KB (same) | 4 KB (-50%) |
| Max Clock | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| 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 +125 C (AEC-Q100) | -40 C to +85 C |
| Active Current | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz | <25 uA/MHz |
| TrustZone-M | Yes | Yes | Yes | Yes | Yes | Yes |
关键差异点
- Lowest-power Cortex-M23 MCU with sub-100 nA sleep current （对比 ATSAML10D14A-MF (16 KB Flash / 4 KB SRAM variant))
- Pin-compatible upgrade path to cryptography （对比 ATSAML11D15A-MUT (SAM L11 family))
- Higher-density flash option in same package （对比 ATSAML10D16A-MUT)
设计说明
Estimated: at 3.3 V and 32 MHz, with all peripherals on, the ATSAML10D15A-MUT draws roughly 800 uA active. In deep sleep with RTC running, current drops below 100 nA. For battery-life calculations, use the formula: Average_I = (Active_t * 800uA + Sleep_t * 100nA) / Period. For a sensor node waking once per second for 5 ms, average current is dominated by sleep - approximately 4 uA average, enabling multi-year life on a 240 mAh coin cell.
Place one 100 nF and one 1 uF X7R ceramic decoupling capacitor directly at every VDD pin; keep the trace length under 2 mm to limit inductance. The 24-VQFN (4x4 mm) thermal pad MUST be soldered to a continuous, low-impedance ground pour of at least 10 mm^2 for both thermal dissipation and signal return. Use a 4-layer PCB with a dedicated ground plane for best EMI performance on SERCOM and PTC lines.
Route the PTC capacitive-sensing lines as guarded coppers with a ground-fill on both sides; keep the trace width under 0.2 mm and the ground-gap at least 0.3 mm to avoid false-touch sensitivity. Place a 100 nF capacitor on the VREFA pin when using the ADC reference. The XIN/XOUT crystal traces should be <2 mm and surrounded by a ground guard ring to suppress oscillator jitter.
Do not exceed 3.63 V on any VDD pin - the SAM L10 absolute maximum rating is 4.0 V but sustained operation above 3.63 V risks Flash corruption. The brown-out detector should be enabled in firmware (BOD33 with threshold ~2.7 V) to force a safe reset. TrustZone-M users must configure the NVMCTRL securely to lock flash debug access or risk exposing secure firmware. Always verify the boot row is set correctly after flashing.
合规信息
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - choose ATSAML10D15A-MZT for automotive grade (-40 C to +125 C).
