ATSAMD10D13A-SSUT - ARM Cortex-M0+ MCU, 48MHz, 8KB Flash | Microchip
MPN: ATSAMD10D13A-SSUT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $1.24 | $1.24 |
| 10 | $1.12 | $11.20 |
| 100 | $0.98 | $98.00 |
| 500 | $0.86 | $430.00 |
| 1,000 | $0.75 | $750.00 |
| 3,000 | $0.68 | $2,040.00 |
ATSAMD10D13A-SSUT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and programmable peripherals. The Cortex-M0+ is ARM's smallest and most energy-efficient application processor core, optimized for low-power embedded designs; it sits at the entry level of the Cortex-M family (M0/M0+ → M3 → M4 → M7), which itself is part of the broader 32-bit embedded processor hierarchy. Microcontrollers therefore belong to the embedded computing → processor → microcontroller → Cortex-M0+ taxonomy.
Key features of the ATSAMD10D13A-SSUT include a Serial Communication Manager (SERCOM) block configurable as I²C/SPI/UART, a 12-bit 350 ksps ADC, 10-bit DAC, multiple timers (TC/TCC), a Real-Time Clock, and full-speed USB 2.0 device support. The integrated Event System allows deterministic peripheral-to-peripheral signaling without CPU intervention, and the Peripheral Touch Controller (PTC) supports capacitive touch buttons, sliders, and proximity sensing.
Architecturally, the SAM D10D uses a single-cycle hardware multiplier, single-cycle 32-bit MAC, and Microchip's proprietary low-power SleepWalking technology. Power consumption is below 70 µA/MHz in active mode and drops to sub-µA levels in deep-sleep retention, enabling multi-year battery life in sensor products.
Typical applications include home-automation nodes, smart-metering endpoints, consumer wearables, low-cost sensor hubs, and industrial HMI sub-modules. The 20-pin SOIC footprint simplifies hand-soldering and rework for prototyping while remaining compatible with high-volume SMT lines.
When designing with this part, pay attention to the SERCOM pin-mux table—the same physical pin can serve multiple functions, so firmware planning and PCB routing must be done together. Decoupling VDDIN with a 100 nF ceramic capacitor within 5 mm of the pin is mandatory for ADC and USB accuracy.
This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes that go beyond what is found in the standalone manufacturer datasheet, helping engineers select, source, and qualify the part faster.
Drop-in alternatives for ATSAMD10D13A-SSUT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
ATSAMD11D14A-SSUT
✅ Drop-In📋 Reference alternative (not in catalog)
ATSAMD10D13A-SSNT
✅ Drop-In📋 Reference alternative (not in catalog)
ATSAMD10D14A-SSUT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
ATSAMD10D13A-SSUT Maximum Ratings & Electrical Characteristics
| Core Processor | ARM Cortex-M0+ |
| Core Architecture | 32-bit RISC |
| Series | SAM D10D |
| Maximum Clock Frequency | 48 MHz |
| CoreMark/MHz | 2.46 |
| Program Memory (Flash) | 8 KB (8K x 8) |
| SRAM | 4 KB |
| Supply Voltage (VDDIN) | 1.62 V to 3.63 V |
| I/O Voltage (VDDIO) | 1.62 V to 3.63 V |
| Operating Temperature | -40 °C to +85 °C (Industrial) |
| Package | 20-pin SOIC (300-mil) |
| Mounting Type | Surface Mount |
| ADC | 12-bit, up to 350 ksps |
| DAC | 10-bit |
| Communication | SERCOM (I²C / SPI / UART), Full-Speed USB 2.0 Device |
| Timers | TC, TCC, RTC |
| Touch | Peripheral Touch Controller (PTC) |
| RoHS Status | Compliant (Green) |
| MSL Level | 3 (per JEDEC J-STD-020) |
ATSAMD10D13A-SSUT Pin Configuration
| Pin 1 | PA02 — General-purpose I/O / ADC AIN0 / SERCOM alt |
| Pin 2 | PA03 — General-purpose I/O / ADC AIN1 / VREFA / SERCOM alt |
| Pin 3 | PA04 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 4 | PA05 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 5 | PA06 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 6 | PA07 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 7 | PA08 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 8 | PA09 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 9 | PA10 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 10 | GND — Ground reference |
| Pin 11 | PA11 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 12 | PA14 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 13 | PA15 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 14 | PA16 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 15 | PA17 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 16 | PA18 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 17 | PA19 — General-purpose I/O / SERCOM alt / TC alt |
| Pin 18 | RESET — Active-low reset input |
| Pin 19 | VDDIO — I/O voltage supply |
| Pin 20 | VDDIN — Main supply input |
Typical Applications
ATSAMD10D13A-SSUT is suitable for 7 applications: Home Automation Sensor Nodes, Smart Metering Endpoints, Consumer Wearables, Industrial HMI Sub-modules, Low-Cost USB HID Devices, Capacitive Touch User Interfaces, IoT Wireless Sensor Hubs.
Home Automation Sensor Nodes
The ATSAMD10D13A-SSUT's Cortex-M0+ core at 48 MHz and SleepWalking peripherals make it ideal for battery-powered home-automation sensor nodes such as occupancy, temperature, and door/window contact sensors. The 8 KB Flash accommodates ZigBee or BLE-Soft stack stubs while the 12-bit 350 ksps ADC reads multiple analog sensors concurrently. The SERCOM block handles I²C sensor buses, SPI displays, or UART bridges, and the Peripheral Touch Controller adds capacitive user interfaces. Power consumption below 70 µA/MHz in active mode and sub-µA deep-sleep current keep coin-cell batteries alive for 5–10 years, while the 1.62–3.63 V supply supports direct Li-ion regulation.
Recommended
Smart Metering Endpoints
For smart-meter data concentrators, the ATSAMD10D13A-SSUT provides the deterministic Cortex-M0+ processing needed to run metering algorithms and the Event System for hardware-accelerated pulse counting. Its 12-bit ADC is fast enough at 350 ksps to sample voltage and current waveforms simultaneously for basic power-quality calculations. The 4 KB SRAM buffers interval data before transmission, while the SERCOM ports drive RS-485 or wireless M-Bus links. Industrial –40 °C to +85 °C temperature range covers outdoor meter enclosures, and the 1.62–3.63 V range accommodates battery-backed designs.
Recommended
Consumer Wearables
The ATSAMD10D13A-SSUT drives fitness bands and BLE-enabled wearables where size, weight, and battery life are critical. The Cortex-M0+ core consumes only ~30 µA/MHz in active mode, leaving headroom for BLE transceivers and OLED displays. The integrated PTC supports touch-sensitive surfaces for UI, the 10-bit DAC generates audio prompts, and the SERCOM block connects to I²C sensors (heart rate, IMU) or SPI displays. The 20-pin SOIC handles quick prototype rework, while the wide 1.62–3.63 V supply matches Li-ion and coin-cell chemistries directly.
Recommended
Industrial HMI Sub-modules
The ATSAMD10D13A-SSUT fits industrial HMI sub-modules (keypads, status indicators, rotary-encoder controllers) that attach to larger control panels. The Cortex-M0+ core processes matrix key-presses and capacitive-touch inputs at 48 MHz without taxing host PLCs. The 12-bit ADC reads potentiometers and analog sensors, the SERCOM block connects to CAN/RS-485 transceiver chips, and the 8 KB Flash holds configuration profiles. The –40 °C to +85 °C industrial range is mandatory for factory-floor equipment, and the 20-pin SOIC eases IEC 61000-4 EMC compliance work.
Recommended
Low-Cost USB HID Devices
Although the ATSAMD10D13A-SSUT lacks native USB, with one SERCOM configured as USB plus external pull-up resistors it serves as a budget USB HID controller for keyboards, mice, and custom input devices. The Cortex-M0+ core delivers ample bandwidth at 48 MHz for USB polling and key-scan routines, while the 8 KB Flash stores HID descriptors and macro logic. Drop in the ATSAMD11D14A-SSUT for native USB and double Flash if your design grows. Both share the 20-pin SOIC footprint, simplifying PCB reuse across SKUs.
Recommended
Capacitive Touch User Interfaces
The ATSAMD10D13A-SSUT integrates the Peripheral Touch Controller (PTC) which supports driven-shield buttons, sliders, and wheels with no external touch IC. The PTC works while the CPU sleeps via the Event System, so a 16-button keypad draws only a few µA when idle. The SERCOM block drives SPI displays or I²C audio, while the 12-bit ADC reads ambient-light or proximity sensors. The industrial –40 °C to +85 °C range tolerates outdoor or appliance-front-panel use, and the 20-pin SOIC eases hand rework during touch-tuning prototypes.
Recommended
IoT Wireless Sensor Hubs
The ATSAMD10D13A-SSUT pairs with sub-GHz or BLE modules as a low-power sensor hub for IoT deployments. The 48 MHz Cortex-M0+ aggregates I²C/SPI sensors via SERCOM, runs local filtering, and forwards data via UART to wireless modules. SleepWalking wakes the CPU only on peripheral interrupts, dropping deep-sleep current below 1 µA. The 12-bit ADC supports battery-voltage monitoring for accurate state-of-charge, and the wide 1.62–3.63 V supply operates directly from Li-ion or regulated 3.3 V rails.
Recommended
Recommended Products Summary
Engineering reference data for ATSAMD10D13A-SSUT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | ATSAMD11D14A-SSUT | ATSAMD10D13A-SSNT | ATSAMD10D14A-SSUT |
|---|---|---|---|---|
| Package | 20-SOIC (300-mil) | 20-SOIC (300-mil) — same | 20-SOIC (300-mil) — same | 20-SOIC (300-mil) — same |
| Brand | Microchip Technology | Microchip Technology — same | Microchip Technology — same | Microchip Technology — same |
| Core Processor | ARM Cortex-M0+ | ARM Cortex-M0+ — same | ARM Cortex-M0+ — same | ARM Cortex-M0+ — same |
| Maximum Clock Frequency | 48 MHz | 48 MHz — same | 48 MHz — same | 48 MHz — same |
| Flash Memory | 8 KB | 16 KB (+100%) | 8 KB (0%) | 16 KB (+100%) |
| SRAM | 4 KB | 4 KB (0%) | 4 KB (0%) | 4 KB (0%) |
| Supply Voltage | 1.62 V to 3.63 V | 1.62 V to 3.63 V — same | 1.62 V to 3.63 V — same | 1.62 V to 3.63 V — same |
| Native USB | No (SERCOM-based) | Yes (USB 2.0 FS Device) | No (SERCOM-based) — same | No (SERCOM-based) — same |
| Operating Temperature | −40 °C to +85 °C (Industrial) | −40 °C to +85 °C (Industrial) | −40 °C to +85 °C (Industrial) | −40 °C to +85 °C (Industrial) |
Key Differentiators
- Dual upgradability without PCB rework (vs ATSAMD11D14A-SSUT)
- Cost-optimized 8 KB Flash for high-volume sensor SKUs (vs ATSAMD10D14A-SSUT)
- Industrial green compliance and supply longevity (vs Discontinued PIC16Fxxx 8-bit MCUs)
Design Notes
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of the VDDIN pin and another 100 nF within 5 mm of VDDIO. Add a 4.7 µF bulk capacitor on VDDIN for ADC and USB accuracy. For low-Idle designs, the SAM D10D deep-sleep current drops below 1 µA only if all GPIOs are configured as inputs with no floating pins; tie unused pins to GND through 10 kΩ resistors or leave firmware-configured as output-low.
Route the SWDIO and SWCLK signals (PA30/PA31 on larger SAM D variants; on 20-pin check the pin-mux for SWD availability) as short, impedance-controlled traces with a ground guard on each side. Keep ADC traces away from switching nodes and place the ADC reference decoupling (0.1 µF + 10 µF) close to the VREF pin to achieve the 12-bit ENOB. A solid ground plane beneath the SOIC package improves thermal and EMI performance.
Do not assume each SERCOM pad maps to a fixed peripheral—the pin-mux is software-configurable per the SAM D10 pin-mux table. Always re-validate the SERCOM assignment in MPLAB X after pin assignment changes. When migrating from the ATSAMD10D13A-SSUT to the ATSAMD11D14A-SSUT, the USB DP/DM pins must be enabled and the 48 MHz PLL reconfigured via the DFLL; bootloader firmware differs between D10 and D11.
For PTC touch designs, route the Y-line and X-line traces as short, parallel, and guarded on both sides by ground pours. Keep the touch-trace capacitance below 5 pF/cm and avoid routing under the chip's exposed pad (where present). Use a hatched ground plane beneath touch sensors rather than solid copper, to reduce parasitic capacitance and improve touch sensitivity. Estimated: each 1 mm trace adds ~0.3 pF to the touch channel.
Compliance Information
RoHS-compliant Green per the Microchip SAM D10 datasheet; lead-free reflow profile per JEDEC J-STD-020 MSL3. AEC-Q100 qualification not required for industrial-grade products; choose SAM D20/DA automotive variants for AEC-Q100.
