ATSAMC20G17A-MUT - 48MHz Cortex-M0+ MCU, 128KB Flash | Microchip
MPN: ATSAMC20G17A-MUT ✓ NakahandaATSAMC20G17A-MUT Ulas
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, data memory, and configurable peripherals. The Cortex-M0+ core is an ultra-low-power 32-bit ARM processor core designed for embedded applications, sitting beneath Cortex-M3/M4/M7 in the ARM hierarchy and ideal for cost-sensitive, energy-aware designs. The SAM C20 sub-family is optimized for 5V-tolerant operation and capacitive touch sensing.
Key features include a single-cycle hardware multiplier, a Micro Trace Buffer for instruction tracing, a Memory Protection Unit (MPU), and a 4KB independent Flash block for EEPROM emulation. The part offers two Analog Comparators with window compare function, an integrated temperature sensor, hardware oversampling/decimation for 13-16-bit ADC resolution, and a 256-channel Peripheral Touch Controller for capacitive touch and proximity sensing.
The ATSAMC20G17A-MUT is drop-in compatible with select SAM D20 and SAM D21 devices, easing migration between 5V-tolerant C20 and 3.3V-focused D20/D21 variants. Up to 38 programmable I/O pins, SERCOM serial communication, and a full-speed USB 2.0 device/host stack round out the peripheral set.
Typical applications include capacitive touch human-machine interfaces (HMI), industrial sensor nodes, building automation controls, white goods and home appliances, low-power IoT edge nodes, and motor control feedback loops in 5V-tolerant systems. The wide 2.7-5.5V input range allows direct connection to 5V rails without external level shifters.
When designing with the ATSAMC20G17A-MUT, ensure the exposed pad is soldered to the ground plane for thermal and electrical performance. Decouple VDD with 100nF ceramic capacitors placed within 2mm of each supply pin, and route the SWDIO/SWCLK signals away from high-frequency switching nodes to avoid debug interference.
This page consolidates distributor pricing, parametric drop-in alternatives, application design notes, and engineering guidance not found in the manufacturer datasheet alone.
Mga alternatibo na pwedeng ilagay na ATSAMC20G17A-MUT — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok ATSAMC20G17A-MUT (parehas na form factor at footprint) — pagkakaiba sa Package, Operating Temperature Range, ADC, Analog Comparators, Core Architecture.
ATSAMC20G18A-MUT
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ATSAMC20G16A-MNT
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMC20G15A-MUT
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMD20G17A-MUT
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ATSAMD20G18A-MUT
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
ATSAMC20E17A-MUT
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →ATSAMC20G17A-MUT Mga Pinakamataas na Rating at Electrical Characteristics
| Core Architecture | ARM Cortex-M0+ |
| Core Bit Width | 32-bit |
| Maksimum na Taktiko ng Oras | 48 MHz |
| Program Memory Size | 128 KB Flash |
| Data Memory Size | 16 KB SRAM |
| EEPROM Emulation | 4 KB independent Flash block |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Hanay ng Temperature na Operasyon | -40C to +85C |
| Packhaging | 48-pin QFN (7x7 mm) with exposed pad |
| Uri ng Pagpapasok | Surface Mount |
| Programmable I/O Pins | Up to 38 |
| Analog Comparators | 2 (with window compare) |
| Peripheral Touch Controller | 256-channel capacitive touch |
| ADC Resolution (with oversampling) | 13-/14-/15-/16-bit hardware decimation |
| Hardware Multiplier | Single-cycle |
| Trace | Micro Trace Buffer |
| Memory Protection Unit | Yes |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng ATSAMC20G17A-MUT 48-pin qfn (7x7 mm) with exposed pad
Pin configuration para sa ATSAMC20G17A-MUT (48-pin qfn (7x7 mm) with exposed pad package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa ATSAMC20G17A-MUT.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
ATSAMC20G17A-MUT ay nararapat para sa 6 aplikasyons: Capacitive Touch HMI for Home Appliances, Industrial 5V Sensor Nodes, Building Automation and HVAC Controllers, Low-Power IoT Edge Nodes, Motor Control Feedback and BLDC Drivers, White Goods and Consumer Appliances.
Capacitive Touch HMI for Home Appliances
The ATSAMC20G17A-MUT is purpose-built for capacitive touch human-machine interfaces. Its integrated 256-channel Peripheral Touch Controller (PTC) handles mutual-capacitance and self-capacitance scanning offloaded from the CPU, enabling reliable touch performance under noisy 5V industrial environments. With 128KB Flash and 16KB SRAM, the device can host full Microchip Touch library stacks plus a small RTOS for HMI state management. The 2.7-5.5V supply range allows direct connection to 5V appliance rails without level shifters, and -40C to +85C operation covers kitchen and laundry environments.
Inirekomenda
Industrial 5V Sensor Nodes
The ATSAMC20G17A-MUT targets industrial sensor nodes operating from 5V rails. Its 2.7-5.5V input tolerates 24V industrial bus drops when paired with a buck regulator, and the Cortex-M0+ at 48MHz provides enough compute to run Modbus RTU or CAN protocols. The 128KB Flash accommodates connectivity stacks while 16KB SRAM supports sensor data buffering. Two analog comparators with window compare enable robust sensor threshold detection without CPU intervention. Up to 38 programmable I/O pins support multiple sensor channels in compact form factor.
Inirekomenda
Building Automation and HVAC Controllers
Building automation and HVAC control systems benefit from the ATSAMC20G17A-MUT's wide 5V tolerance, integrated touch sensing, and ample peripheral set. The 256-channel PTC supports capacitive sliders and proximity sensors used in modern thermostat interfaces, while SERCOM peripherals enable RS-485 communication with HVAC actuators. The Cortex-M0+ core runs control algorithms at 48MHz with deterministic interrupt latency. The 48-QFN package is well-suited for compact panel-mount designs, and the industrial -40C to +85C range covers outdoor and equipment-room installations.
Inirekomenda
Low-Power IoT Edge Nodes
IoT edge nodes leverage the ATSAMC20G17A-MUT's low-power Cortex-M0+ architecture and 5V tolerance for battery-powered or energy-harvested devices. The MCU supports Sleep, Standby, and Hibernate modes, enabling wake-on-touch or wake-on-sensor strategies. The 128KB Flash stores BLE 5.0 or LoRaWAN protocol stacks, while 16KB SRAM supports sensor data buffering. The integrated temperature sensor enables on-board thermal monitoring without external components. The Memory Protection Unit (MPU) supports secure firmware isolation for OTA updates.
Inirekomenda
Motor Control Feedback and BLDC Drivers
The ATSAMC20G17A-MUT can be used as a feedback controller in small BLDC and stepper motor systems. The 2 analog comparators with window compare detect back-EMF zero crossings for sensorless commutation, while the hardware 13-16-bit oversampled ADC measures phase currents with high resolution. The 48MHz Cortex-M0+ executes commutation routines with sub-microsecond response times, and the 5V tolerance simplifies integration with gate drivers. The exposed pad QFN package provides good thermal dissipation for sustained PWM operation at high switching frequencies.
Inirekomenda
White Goods and Consumer Appliances
White goods such as washing machines, dishwashers, and refrigerators require robust 5V MCUs with capacitive touch interfaces. The ATSAMC20G17A-MUT's PTC provides waterproof capacitive button panels, its industrial temperature range handles under-cabinet or under-counter installations, and the 128KB Flash stores multilingual UI firmware. The integrated temperature sensor enables appliance thermal monitoring without external components. The 38 programmable I/O pins drive multiple relays, valves, and indicator LEDs in compact white-goods designs.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for ATSAMC20G17A-MUT — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | ATSAMC20G18A-MUT | ATSAMC20G16A-MNT | ATSAMC20G15A-MUT | ATSAMD20G17A-MUT | ATSAMC20E17A-MUT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-QFN (7x7 mm) | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same | 48-QFN (7x7 mm) - same |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Max Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 128 KB | 256 KB | 64 KB | 32 KB | 128 KB | 128 KB |
| SRAM | 16 KB | 32 KB | 8 KB | 4 KB | 16 KB | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V (5V-tolerant I/O) | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 1.62 V to 3.6 V (3.3V) | 2.7 V to 5.5 V |
| Peripheral Touch Controller | 256-channel PTC | 256-channel PTC | 256-channel PTC | 256-channel PTC | No PTC (D20 family) | 256-channel PTC (enhanced) |
| Programmable I/O Pins | Up to 38 | Up to 38 | Up to 38 | Up to 38 | Up to 38 | Up to 26 (32-pin variant) |
Pangunahing mga Pagkakaiba
- 5V-tolerant I/O across all digital pins (kumpara saATSAMD20G17A-MUT)
- 256-channel Peripheral Touch Controller integrated (kumpara saATSAMD20G17A-MUT)
- Optimal memory profile for connectivity stacks (kumpara saATSAMC20G16A-MNT)
Talaan ng Disenyo
Solder the exposed thermal pad of the 48-QFN package to a continuous ground plane spanning at least 50% of the package footprint. The exposed pad provides both the main ground return path and thermal dissipation; insufficient soldering causes erratic behavior and elevated junction temperature. Place 100nF X7R ceramic decoupling capacitors within 2mm of each VDD pin and 4.7uF bulk capacitors near the supply input.
Route SWDIO and SWCLK debug signals away from high-frequency switching nodes such as PWM outputs and oscillator traces. Keep SWD trace lengths under 100mm and add a 100 ohm series termination if the trace exceeds 50mm. The Micro Trace Buffer output requires clean signal integrity for accurate instruction tracing during firmware development and debug sessions.
When migrating firmware from ATSAMD20 to ATSAMC20, verify all GPIO pins configured as inputs are 5V-tolerant. The C20 family accepts 5V on digital I/O even when VDD is 3.3V, but peripherals connected to analog inputs must respect the VDD-rail headroom. Do not exceed the 5.5V absolute maximum on any pin, including during hot-plug events, or permanent latch-up may occur.
Impormasyon ng Pagsunod sa Kautusan
RoHS and lead-free compliance per Microchip product page and DigiKey listing. AEC-Q100 not applicable - this is a commercial/industrial grade part (-40C to +85C); automotive designs should select the ATSAMC20G17A-MUT VAO variant if available.