ATSAMD10C13A-SSUT - ARM Cortex-M0+ MCU 48MHz 8KB Flash 14-SOIC
MPN: ATSAMD10C13A-SSUT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.94 | $2.94 |
| 10 | $2.65 | $26.50 |
| 100 | $2.21 | $221.00 |
| 500 | $1.93 | $965.00 |
| 1,000 | $1.74 | $1,740.00 |
ATSAMD10C13A-SSUT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of peripherals (timers, ADCs, communication interfaces, GPIO). MCUs form the lowest tier of the embedded compute hierarchy: microcontroller -> embedded processor -> system-on-chip -> semiconductor. Unlike microprocessors, MCUs are designed for deterministic, real-time control with low power draw and direct peripheral interaction, typically running bare-metal code or a small RTOS. The Cortex-M0+ core in particular targets energy-efficient IoT and always-on applications because of its single-cycle IO and reduced gate count versus Cortex-M3/M4 parts.
Key features of the ATSAMD10C13A-SSUT include 8 KB Flash, 4 KB SRAM, 12-channel 10-bit ADC, 10-bit DAC, multiple timers (TC, TCC), Real-Time Clock, full-speed USB device (where supported in the family), and brown-out detection with watchdog timer. The peripheral event system (PER) and DMA-free data handling provide deterministic GPIO response, while SleepWalking peripherals enable wake-from-sleep on qualified events without CPU intervention.
Typical applications include home automation end nodes, low-power wireless sensor hubs (paired with external transceivers), consumer electronics HMI buttons, smart metering, industrial sensor conditioning, and battery-powered wearables. The 14-pin SOIC footprint enables drop-in compatibility with the broader SAM D10C family (e.g., ATSAMD10C14A-SSUT), letting designers scale memory up without changing the PCB.
When designing with this part, allocate the 8 KB Flash budget for application code plus a small bootloader; SERCOM pad mapping should be planned early because pin remapping happens at MUX setup. Use the brown-out detector and watchdog timer for unattended sensor nodes. The 14-SOIC package offers excellent thermal performance for indoor enclosures but lacks the GPIO density of 20/24-pin SAM D10 variants - choose the SO-14 only when BOM cost and board area outweigh GPIO requirements.
Drop-in alternatives for ATSAMD10C13A-SSUT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with ATSAMD10C13A-SSUT (same form factor and footprint) — differing in MSL Level, Package, Operating Temperature Range, ADC, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATSAMD10C14A-SSUT
✅ Drop-In✓ In Stock
$1.12 / Unit
View Datasheet →ATSAMD10C12A-SSUT
✅ Drop-In📋 Reference alternative (not in catalog)
ATSAMD11C14A-SSUT
✅ Drop-In✓ In Stock
$1.8 / Unit
View Datasheet →ATSAMD10C13A-SSUTB
✅ Drop-In📋 Reference alternative (not in catalog)
ATSAMD10C13A-SSUT Maximum Ratings & Electrical Characteristics
| Core | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| Maximum CPU Frequency | 48 MHz |
| Program Memory (Flash) | 8 KB (8K x 8) |
| SRAM | 4 KB |
| Operating Voltage Range | 1.62 V to 3.6 V |
| Package | 14-SOIC (0.154", 3.90 mm width) |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +85 C |
| CoreMark/MHz | 2.46 |
| Connectivity | I2C, LIN, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, WDT |
| MSL Level | MSL3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Series | SAM D10C |
ATSAMD10C13A-SSUT Pin Configuration
| Pin 1 | PA03 — GPIO/ADC/SERCOM pad (multiplexed peripheral functions) |
| Pin 2 | PA04 — GPIO/ADC/SERCOM pad |
| Pin 3 | PA05 — GPIO/ADC/SERCOM pad |
| Pin 4 | PA06 — GPIO/ADC/SERCOM pad |
| Pin 5 | PA07 — GPIO/ADC/SERCOM pad |
| Pin 6 | PA09 — GPIO/ADC/SERCOM pad |
| Pin 7 | PA10 — GPIO/ADC/SERCOM pad |
| Pin 8 | PA11 — GPIO/ADC/SERCOM pad |
| Pin 9 | VDD — Power supply input (1.62 V to 3.6 V) |
| Pin 10 | GND — Ground reference |
| Pin 11 | PA14 — GPIO/SERCOM pad |
| Pin 12 | PA15 — GPIO/SERCOM pad |
| Pin 13 | PA16 — GPIO/SERCOM pad |
| Pin 14 | PA17 — GPIO/SERCOM pad (or XIN/XOUT for crystal on some SAM D10 variants) |
Typical Applications
ATSAMD10C13A-SSUT is suitable for 6 applications: Home Automation Sensor Nodes, Industrial Sensor Conditioning, Consumer Electronics HMI Buttons, Smart Metering Endpoints, Battery-Powered Wearable Bands, Portable Medical Sensor Patches.
Home Automation Sensor Nodes
The ATSAMD10C13A-SSUT's 8 KB Flash and 4 KB SRAM fit compact home automation sensor nodes running BLE beacons or simple Zigbee/Thread endpoints when paired with an external transceiver. With 6 SERCOM blocks (configurable as I2C/SPI/UART) and 12-bit ADC, the MCU reads temperature/humidity/motion sensors while relaying data over the wireless link. SleepWalking peripherals let the chip wake from sleep on qualified ADC/I2C events without CPU intervention, reducing average current for battery-powered wall switches or window sensors. The 48 MHz Cortex-M0+ core hits 2.46 CoreMark/MHz, delivering enough headroom for an encrypted OTA firmware update at 8 KB. Designers targeting Matter or Thread stack endpoints typically use the larger ATSAMD10C14A-SSUT, but cost-optimized sub-gig radios fit comfortably in this part.
Recommended
Industrial Sensor Conditioning
The ATSAMD10C13A-SSUT's analog front-end (10-bit ADC, 10-bit DAC) and LIN/SPI connectivity suit industrial sensor-conditioning modules for 4-20 mA loops and discrete I/O expansion. Operating from 1.62 V to 3.6 V with brown-out detection and watchdog timer ensures the MCU survives noisy 24 V-derived rails when paired with an external LDO. The 14-SOIC footprint survives -40 C to +85 C industrial temperature ranges per the SAM D10 datasheet. The Cortex-M0+ deterministic GPIO response supports time-critical encoder inputs without RTOS overhead. Compared with the ATSAMC21 family (Cortex-M0+ at 48-64 MHz in larger packages), this part fits on a 10x10 mm PCB slice for DIN-rail I/O modules. Use one SERCOM as LIN master for actuator control and a second as SPI for an external ADC front-end.
Recommended
Consumer Electronics HMI Buttons
The ATSAMD10C13A-SSUT powers touch-button / rotary-encoder HMIs in consumer appliances (coffee machines, microwaves, washing machines) where its 14-SOIC footprint fits behind the panel cut-out. The Cortex-M0+ core runs debounce algorithms and LED animation PWM at 48 MHz while keeping BOM cost under $1.80 at qty 1k. Sleep current down to single-digit microamps (per SAM D10 family datasheet) lets battery-backed remote controls survive months on a coin cell. Multi-SERCOM configuration supports both SPI LED drivers and UART links to the main appliance controller. Compared with PIC16F series 8-bit MCUs (like PIC16F505-I/P), this part delivers smoother animations and easier firmware updates via the SWD debug interface. Designers often pair this MCU with a segmented LED driver over SPI for cost-sensitive HMI panels.
Recommended
Smart Metering Endpoints
The ATSAMD10C13A-SSUT suits smart metering endpoints (electricity, water, gas sub-meters) where low-power operation and small code footprint outweigh raw CPU speed. With 8 KB Flash, it fits the Open Metering System (OMS) or wireless M-Bus stack with metering-specific calibration in ROM. The brown-out detector and watchdog timer keep the meter reliable during battery brown-outs, while the 14-SOIC package handles the temperature swings inside an outdoor meter enclosure. Cortex-M0+ SleepWalking allows periodic meter reads at long intervals (seconds to minutes) without waking the CPU. The 4 KB SRAM is sufficient for temporary measurement buffers and OMS packet assembly. For metering gateways needing larger protocol stacks, designers scale up to ATSAMD10C14A-SSUT or the ATSAMC20J18A-MUT.
Recommended
Battery-Powered Wearable Bands
The ATSAMD10C13A-SSUT powers simple fitness bands and wearables where ultra-low standby current and small footprint dominate. Its 14-SOIC package fits inside a wrist-band mainboard while leaving room for a CR2032 coin cell. Cortex-M0+ SleepWalking on ADC and I2C wakes the chip on heart-rate sensor events without CPU intervention, supporting weeks of battery life. The integrated 10-bit ADC handles heart-rate sensor and accelerometer reads, while the 10-bit DAC drives a haptic feedback motor. Compared with the ATSAMS70 (Cortex-M4 at 300 MHz), this part is dramatically lower power but cannot run BLE stacks - pair it with an external BLE module over UART for connectivity. The ATSAMD10C14A-SSUT variant is recommended if the BLE stack plus sensors exceed 8 KB.
Recommended
Portable Medical Sensor Patches
The ATSAMD10C13A-SSUT runs portable medical sensor patches (temperature loggers, single-lead ECG patches) where low power and small footprint dominate. The Cortex-M0+ deterministic interrupt response runs at 48 MHz, processing ADC samples at fixed intervals with predictable latency for medical-grade signal integrity. The 14-SOIC footprint survives -40 C to +85 C medical device temperature ranges per the SAM D10 datasheet. 4 KB SRAM holds one second of ECG samples at typical 250 Hz sampling, while 8 KB Flash fits an RTOS-less firmware loop with medical protocol handlers. Multi-SERCOM connectivity drives SPI flash for data logging and I2C for sensor front-ends. The MCU is not AEC-Q100 qualified - for automotive medical telemetry, consider ATSAMC21 family parts instead.
Recommended
Recommended Products Summary
Engineering reference data for ATSAMD10C13A-SSUT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAMD10C14A-SSUT | ATSAMD10C12A-SSUT | ATSAMD11C14A-SSUT | ATSAMD10C13A-SSUTB |
|---|---|---|---|---|---|
| Package | 14-SOIC | 14-SOIC (same) | 14-SOIC (same) | 14-SOIC (same) | 14-SOIC (same) |
| Brand | Microchip Technology | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) | Microchip Technology (same) |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 8 KB | 16 KB | 4 KB | 16 KB | 8 KB |
| SRAM | 4 KB | 4 KB | 4 KB | 4 KB | 4 KB |
| Operating Voltage | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V | 1.62 V to 3.6 V |
| USB Peripheral | No | No | No | Yes (full-speed USB 2.0 device) | No |
Key Differentiators
- Lowest-cost 32-bit ARM Cortex-M0+ MCU in SAM D10 family (vs ATSAMD10C14A-SSUT)
- No USB peripheral - lowest pin overhead for non-USB nodes (vs ATSAMD11C14A-SSUT)
- Cortex-M0+ at 48 MHz - higher compute than 8-bit PIC16F at comparable cost (vs PIC16F505-I/P)
Design Notes
Place a 100 nF decoupling capacitor as close as possible to the VDD pin (pin 9), with a 1 uF or larger bulk capacitor nearby on the same rail. Per SAM D10 datasheet, VDD brown-out threshold defaults to 1.71 V rising and 1.65 V falling - configure SUPC.BODVDD registers for the application's battery chemistry to avoid nuisance resets. For battery-powered designs, use the on-chip Power-On Reset and disable the digital supply regulator during Sleep modes to reduce quiescent current to single-digit uA.
Route the SWDIO/SWCLK debug signals away from high-frequency switching nodes (SERCOM SPI lines, oscillator outputs) and provide test pads for production programming. Per SAM D10 datasheet, the SO-14 footprint leaves only 12 GPIO-accessible pins plus VDD/GND - carefully plan SERCOM mux assignments before schematic capture because pin remap happens only via MUX setup code. Keep GND pin (10) on a low-impedance ground pour spanning the full PCB underside to minimize digital switching noise coupling into ADC inputs.
The Cortex-M0+ lacks a full Cortex-M3 instruction set - verify your toolchain produces valid Thumb code and avoids any M3-only assembly snippets. Per SAM D10 datasheet, the 8 KB Flash budget fills quickly with RTOS + protocol stack; if running FreeRTOS plus a BLE stack, immediately move to ATSAMD10C14A-SSUT (16 KB Flash). Do not assume all 14 SO-14 pads are general-purpose GPIO - several are shared with crystal oscillator XIN/XOUT and require careful PCB trace length matching if an external crystal is used.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - for automotive applications, choose ATSAMC21 family parts. Lead-free reflow compatible.
