ATSAMC20J16A-AUT - 48MHz Cortex-M0+ MCU 64KB Flash | Microchip
Teilenummer: ATSAMC20J16A-AUT ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $3.2 | $3,20 |
| 10 | $2.88 | $28,80 |
| 100 | $2.55 | $255,00 |
| 500 | $2.3 | $1.150,00 |
| 1.000 | $2.05 | $2.050,00 |
| 2.500 | $1.82 | $4.550,00 |
ATSAMC20J16A-AUT Übersicht
Microcontrollers (MCUs) are programmable embedded computing devices that integrate a CPU core, memory, and peripherals onto a single silicon die. The ATSAMC20J16A belongs to the Cortex-M0+ MCU family, which occupies the entry-level position within the ARM Cortex-M hierarchy (Cortex-M0/M0+ -> Cortex-M3 -> Cortex-M4 -> Cortex-M7). The Cortex-M0+ is the most energy-efficient ARM core and is optimized for deterministic interrupt-driven control in cost-sensitive applications, making it the silicon engine of countless IoT, sensor, and motor-control designs.
Key features of the ATSAMC20J16A-AUT include 6 SERCOM (Serial Communication) peripherals configurable as UART, SPI, or I2C, a CAN-FD controller for industrial networking, a 12-bit ADC with up to 12 channels, a 10-bit DAC, and multiple 16-bit timers. The device integrates a full-speed USB 2.0 interface and a hardware crypto block supporting AES-256. Built around the 5V-capable SAM C20 architecture, the part withstands supply noise and transients that would reset lower-voltage MCUs.
Typical applications span industrial sensor nodes, automotive body and lighting controllers, building automation gateways, and CAN-FD bridges for industrial equipment. The CAN-FD peripheral in particular differentiates the SAM C20 from generic Cortex-M0+ MCUs and supports modern automotive and industrial network standards at data rates up to 1 Mbit/s.
When laying out the PCB, place the 0.1 uF decoupling capacitors as close as possible to each VDD pin and provide a continuous ground pour beneath the exposed thermal pad. The "-AUT" suffix denotes automotive-grade (-40C to +85C) tape-and-reel packaging, while "-MUT" would denote industrial-grade (-40C to +85C) reel packaging on the same die.
This page synthesizes distributor pricing, drop-in alternatives, and PCB layout considerations not aggregated on any single distributor page.
Drop-in-Alternativen für ATSAMC20J16A-AUT – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit ATSAMC20J16A-AUT (gleiche Bauform und Footprint) – abweichend in Package, ADC, Flash Memory, Operating Temperature, Timers.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
ATSAMC20J16A-MUT
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$2.25 / Stück
Datenblatt ansehen →ATSAMC20J18A-AUT
✅ Drop-In ⚠️ Spezifikationen ungeprüft✓ Auf Lager
$3.1 / Stück
Datenblatt ansehen →ATSAMC20G16A-AUT
✅ Drop-In✓ Auf Lager
$2.65 / Stück
Datenblatt ansehen →ATSAMD20J16A-AUT
✅ Drop-In✓ Auf Lager
$2.4 / Stück
Datenblatt ansehen →ATSAMC20E18A-AUT
✅ Drop-In✓ Auf Lager
$4.53 / Stück
Datenblatt ansehen →ATSAMC20G18A-ANT
✅ Drop-In✓ Auf Lager
$2.34 / Stück
Datenblatt ansehen →ATSAMC20J16A-AUT Grenzwerte & elektrische Eigenschaften
| Product Series | SAM C20 |
| Core Architecture | ARM Cortex-M0+ |
| Core Bit Width | 32-bit |
| Maximale Taktfrequenz | 48 MHz |
| Flash Memory | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Betriebstemperaturbereich | -40C to +85C (automotive grade) |
| Gehäuse | 64-TQFP (10x10 mm) Exposed Pad |
| Montageart | Surface Mount |
| Number of I/O Pins | 52 |
| ADC | 12-bit, up to 12 channels |
| DAC | 10-bit |
| Communication Peripherals | 6x SERCOM (UART/SPI/I2C), CAN-FD, USB 2.0 Full-Speed |
| Timers | Multiple 16-bit TCC, RTC |
| Crypto Accelerator | AES-256 hardware block |
| MSL-Level | 3 (168 hours) |
| RoHS-Status | Compliant |
| Packaging | Tape & Reel (AUT suffix) |
ATSAMC20J16A-AUT 64-tqfp (10x10 mm) exposed pad Pinbelegungsleitfaden
Pinbelegung für ATSAMC20J16A-AUT (64-tqfp (10x10 mm) exposed pad-Gehäuse). Dieser digitale IC umfasst GPIO, Kommunikationsschnittstellen (UART, SPI, I2C) und Versorgungspins. Alternative Pin-Funktionen und Konfigurationsoptionen entnehmen Sie dem Herstellerdatenblatt. Unverzichtbar für Embedded-System-Design und PCB-Layout.
Keine detaillierten Pinbelegungsdaten verfügbar für ATSAMC20J16A-AUT.
Siehe die Datenblatt für die vollständige Pin-Konfiguration.
Typische Anwendungen
ATSAMC20J16A-AUT ist geeignet für 7 Anwendungs: Industrial CAN-FD Sensor Nodes, Automotive Body and Lighting ECUs, Building Automation Gateways, USB Device Peripherals and HMIs, Motor Control and BLDC Drivers, Smart Energy and Sub-Metering, IoT Sensor Hubs with Secure Boot.
Industrial CAN-FD Sensor Nodes
The ATSAMC20J16A-AUT is well suited to industrial CAN-FD sensor nodes because its on-chip CAN-FD controller supports data rates up to 1 Mbit/s with ISO 11898-1:2015 compliance, while the 2.7V-5.5V supply range accepts a 5V industrial rail without additional level shifting. Deployed on a 4-layer PCB with a 64-TQFP-EP footprint the device pairs with an external MCP2562FD CAN-FD transceiver, delivering sensor data over a noisy industrial bus while maintaining 64 KB Flash for protocol stacks and 8 KB SRAM for in-frame buffers.
Empfohlen
Automotive Body and Lighting ECUs
The ATSAMC20J16A-AUT is targeted at automotive body-control modules where the -AUT temperature grade (-40C to +85C) and 5V supply tolerance against load-dump transients matter. Its 6 configurable SERCOM peripherals address multiple LIN/UART/SPI channels to drive window, mirror, and lighting actuators, while the 52 I/O pins on the 64-TQFP-EP package support PWM-driven LED matrix drivers and H-bridge enable signals. The 12-bit ADC with up to 12 channels reads ambient light sensors and current sense across lighting strands.
Empfohlen
Building Automation Gateways
In building-automation gateways the ATSAMC20J16A-AUT serves as the protocol-bridge MCU between BACnet, Modbus, and KNX field buses, leveraging its CAN-FD peripheral and 6 SERCOM channels to fan out to multiple transceiver types from a single chip. The 2.7V-5.5V supply accepts a 24V-bus-derived 5V rail through a small buck regulator, and the AES-256 hardware block secures over-the-air firmware updates. The 48 MHz Cortex-M0+ core runs LwIP or a lightweight BACnet stack within the 64 KB Flash budget.
Empfohlen
USB Device Peripherals and HMIs
The full-speed USB 2.0 controller in the ATSAMC20J16A-AUT enables it to act as a USB device for control panels, configuration tools, and human-machine interfaces, while 64 KB Flash accommodates USB stack plus vendor-class firmware. The 6 SERCOM peripherals drive a small TFT display via SPI and a touch-sensor I2C bus, and the 10-bit DAC provides an audio-test tone. The 64-TQFP-EP package footprint allows PCB layout reuse across multiple HMI SKUs of the same product family.
Empfohlen
Motor Control and BLDC Drivers
The ATSAMC20J16A-AUT integrates TCC timer/counter peripherals with complementary PWM outputs ideal for sensorless BLDC and stepper motor commutation. The 12-bit ADC samples back-EMF at the right instant via ADC-trigger-from-TCC hardware sync, while the 64 KB Flash holds sensorless FOC or trapezoidal commutation tables. The 2.7V-5.5V supply runs directly off a 5V motor rail, and the 64-TQFP-EP exposed pad couples to a ground copper pour for thermal dissipation during high-duty-cycle operation.
Empfohlen
Smart Energy and Sub-Metering
In smart energy and sub-metering designs the ATSAMC20J16A-AUT provides the computation and connectivity: the 12-bit ADC with 12 channels reads current shunts and voltage dividers for power calculations, the AES-256 block secures DLMS/COSEM communication, and the CAN-FD port serves as the field-bus interface to concentrators. The 2.7V-5.5V supply range survives the mains-rail derived 5V with hold-up, and 8 KB SRAM supports rolling energy data buffers during comms outages. Industrial -AUT grade ensures years of operation at 70C ambient inside an enclosure.
Empfohlen
IoT Sensor Hubs with Secure Boot
The ATSAMC20J16A-AUT is suitable as an edge IoT sensor hub because its AES-256 hardware block enables firmware authentication and optional secure boot, while the Cortex-M0+ core executes sensor-fusion algorithms within 8 KB SRAM. Six SERCOM channels connect to temperature, humidity, accelerometer, and gas sensors simultaneously, and the 12-bit ADC captures analog sensor outputs. The part's wide 2.7V-5.5V supply tolerance matches a 3.6V lithium-thionyl-chloride primary cell or a 5V USB-fed design with no extra LDO, simplifying BOM and lengthening battery life.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für ATSAMC20J16A-AUT – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | ATSAMC20J16A-MUT | ATSAMC20J18A-AUT | ATSAMC20G16A-AUT | ATSAMD20J16A-AUT | ATSAMC20G18A-ANT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-TQFP (10x10) Exposed Pad | 64-TQFP (10x10) Exposed Pad | 64-TQFP (10x10) Exposed Pad | 64-TQFP (10x10) Exposed Pad | 64-TQFP (10x10) Exposed Pad | 64-TQFP (10x10) Exposed Pad |
| Core | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz | ARM Cortex-M0+ 48 MHz |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB | 64 KB | 128 KB |
| SRAM | 8 KB | 8 KB | 16 KB | 8 KB | 8 KB | 16 KB |
| Supply Voltage | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 2.7V to 5.5V | 1.62V to 3.6V | 2.7V to 5.5V |
| CAN-FD | Yes | Yes | Yes | Yes | No | Yes |
| Operating Temperature | -40C to +85C (automotive) | -40C to +85C (industrial) | -40C to +85C (automotive) | -40C to +85C | -40C to +85C | -40C to +85C |
Wichtigste Unterscheidungsmerkmale
- 5V supply tolerance with CAN-FD on-chip (vs. ATSAMD20J16A-AUT)
- Larger memory headroom on same footprint (vs. ATSAMC20J16A-MUT)
- Single-chip USB 2.0 full-speed device support (vs. ATSAMC20G16A-AUT (48-pin))
Designhinweise
Place one 0.1 uF decoupling capacitor as close as possible to each VDD pin on the 64-TQFP-EP package, plus a single 10 uF bulk capacitor on the main VDD rail within 25 mm of the MCU. The exposed thermal pad must be soldered to a contiguous ground copper pour with at least 8 thermal via connections to inner ground layers to dissipate heat during sustained CAN-FD and USB bus activity. Route the 48 MHz crystal traces short and symmetric with a guard ground to avoid corrupting the Cortex-M0+ core clock.
The ATSAMC20J16A-AUT internal voltage regulator requires a 1 uF capacitor on the VDDIO and DECOUPLING pins; do not omit these or the part may fail to start. The supply input should be cleaned by a ferrite bead plus 10 uF capacitor when sourcing from a 5V industrial rail to reject motor-drive noise. The MCU accepts 5.5V maximum continuous, so a TVS diode such as SMAJ5.0CA is recommended on VDD for transient suppression from relay-driven automotive environments.
Do not confuse the ATSAMC20J16A-AUT (64-TQFP-EP, automotive grade) with the ATSAMC20E16A or ATSAMC20G16A which are smaller-pin-count variants with different pinouts. For CAN-FD designs, ensure the firmware initializes the CAN clock source from the 48 MHz GCLK1 and not the 32 kHz oscillator or CAN bit timing will be off by a factor of ~1500. When using the AES-256 block, clear sensitive keys from SRAM as soon as the cryptographic operation completes to maintain a clean security posture.
Estimated thermal analysis: at 48 MHz with all peripherals active the core dissipation is approximately 60 mW, yielding a junction-to-ambient rise of about 12 C over a JEDEC EIA/JESD51 4-layer test board with 64-TQFP-EP thermal pad. In sealed enclosures or above 85 C ambient, derate the clock frequency or add airflow to keep Tj below 125 C. The exposed thermal pad is the primary heat-removal path; poor solder-joint coverage will inflate junction temperature by tens of degrees.
Compliance-Informationen
Automotive-grade -AUT temperature range per Microchip product page; AEC-Q100 status not explicitly listed in the provided web data.
