ATSAMC20E16A-AUTS2 - 48MHz Cortex-M0+ MCU 64KB Flash TQFP-32 | Microchip
Référence : ATSAMC20E16A-AUTS2 ✓ Actif| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $4 | $4,00 |
| 10 | $3.65 | $36,50 |
| 100 | $3.12 | $312,00 |
| 500 | $2.78 | $1 390,00 |
| 1 000 | $2.45 | $2 450,00 |
ATSAMC20E16A-AUTS2 Présentation
A microcontroller (MCU) is a single-chip computer containing a CPU core, memory, and programmable peripherals. The Cortex-M0+ is the smallest and most energy-efficient ARM core, designed for low-power embedded applications; it belongs to the ARM Cortex-M family within the broader 32-bit RISC processor hierarchy. The SAM C20 series is part of Microchip's 5V-tolerant MCU portfolio, bridging legacy 5V systems with modern 32-bit performance.
Key features include a high-accuracy 48 MHz internal RC oscillator, 32KB of Flash emulation using the integrated NVM controller, hardware CRC, and a powerful peripheral touch (PTC) controller. The 32-pin TQFP package provides easy prototyping and PCB routing while supporting up to 26 programmable I/O pins with 5V tolerance. The AEC-Q100 Grade 1 qualification ensures reliability under automotive temperature and vibration stress.
Typical applications include industrial sensor nodes, automotive body electronics, building automation, CAN-FD network endpoints, motor control peripherals, and low-power IoT edge devices. The combination of 5V tolerance and CAN-FD support makes it particularly suitable for industrial fieldbus networks transitioning from legacy CAN to CAN-FD.
When designing with this part, leverage the Atmel Studio/Microchip Studio IDE and the ASF4 library framework. Pay attention to pin multiplexing via the SERCOM and TCC peripherals - configuration requires careful pin map planning. The internal 48 MHz oscillator eliminates the need for an external crystal in cost-sensitive designs.
Alternatives de remplacement direct pour ATSAMC20E16A-AUTS2 — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec ATSAMC20E16A-AUTS2 (même facteur de forme et même empreinte) — différant par ADC, RoHS Status, Operating Temperature, Package, MSL Level.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
ATSAMC21E16A-AUT
✅ Remplacement direct✓ En stock
$2.78 / unité
Voir la fiche technique →ATSAMC20E15A-AUT
✅ Remplacement direct✓ En stock
$1.78 / unité
Voir la fiche technique →ATSAMC20E16A-AUT
✅ Remplacement direct✓ En stock
$1.96 / unité
Voir la fiche technique →ATSAMD20E16A-CFN
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATSAMD21E16A-AU
✅ Remplacement direct📋 Alternative de référence (hors catalogue)
ATSAMC20E16A-AUTS2 Valeurs maximales et caractéristiques électriques
| Core Processor | ARM Cortex-M0+ |
| Core Size | 32-Bit |
| Fréquence d'horloge maximale | 48 MHz |
| Program Memory Size | 64 KB (64K x 8) Flash |
| RAM Size | 8 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| Plage de température de fonctionnement | -40C to +85C (Industrial) |
| Boîtier / Format | 32-TQFP (7x7 mm) |
| Type de montage | Surface Mount |
| Number of I/O Pins | Up to 26 programmable I/O |
| ADC | 12-bit, up to 350 ksps |
| Connectivity | SERCOM (UART/SPI/I2C), CAN-FD, I2S |
| AEC-Q100 Qualification | Grade 1 (-40C to +125C capable) |
| Statut RoHS | Compliant |
| Packaging | Tape & Reel (TR) |
Configuration des broches de ATSAMC20E16A-AUTS2
| Broche 1 | PA00 — GPIO/SERCOM/I2C |
| Broche 2 | PA01 — GPIO/SERCOM/I2C |
| Broche 3 | PA02 — GPIO/AIN0/ADC |
| Broche 4 | PA03 — GPIO/AIN1/ADC |
| Broche 5 | PA04 — GPIO/AIN2/VREFA |
| Broche 6 | PA05 — GPIO/AIN3/VREFB |
| Broche 7 | PA06 — GPIO/SERCOM/I2C |
| Broche 8 | PA07 — GPIO/SERCOM/I2C |
| Broche 9 | VDD — Power supply 2.7V-5.5V |
| Broche 10 | GND — Ground |
| Broche 11 | PA08 — GPIO/SERCOM/I2C |
| Broche 12 | PA09 — GPIO/SERCOM/I2C |
| Broche 13 | PA10 — GPIO/SERCOM/I2C |
| Broche 14 | PA11 — GPIO/SERCOM/I2C |
| Broche 15 | PA14 — GPIO/XCLK |
| Broche 16 | PA15 — GPIO/GCLK |
| Broche 17 | PA16 — GPIO/SERCOM/I2C |
| Broche 18 | PA17 — GPIO/SERCOM/I2C |
| Broche 19 | PA18 — GPIO/SERCOM/I2C |
| Broche 20 | PA19 — GPIO/SERCOM/I2C |
| Broche 21 | PA20 — GPIO/SERCOM/I2C |
| Broche 22 | PA21 — GPIO/SERCOM/I2C |
| Broche 23 | PA22 — GPIO/SERCOM/I2C |
| Broche 24 | PA23 — GPIO/SERCOM/I2C |
| Broche 25 | PA24 — GPIO/SERCOM/I2C |
| Broche 26 | PA25 — GPIO/SERCOM/I2C |
| Broche 27 | RESET — Reset input (active low) |
| Broche 28 | SWDIO — Debug data |
| Broche 29 | SWCLK — Debug clock |
| Broche 30 | VDD — Power supply |
| Broche 31 | GND — Ground |
| Broche 32 | NC — Not connected |
Applications typiques
ATSAMC20E16A-AUTS2 convient pour 6 applications: Industrial CAN-FD Network Nodes, Automotive Body Electronics Modules, Building Automation Controllers, Low-Power IoT Sensor Hubs, Motor Control Peripheral Boards, Human-Machine Interface (HMI) Controllers.
Industrial CAN-FD Network Nodes
The ATSAMC20E16A-AUTS2's integrated CAN-FD controller and 5V tolerance make it ideal for industrial CAN-FD network endpoints replacing legacy CAN 2.0B nodes. The 48 MHz Cortex-M0+ core processes CAN-FD frames up to 5 Mbps while the 5V I/O interfaces directly with industrial sensors and actuators without level shifters. The 64KB Flash accommodates CANopen or J1939 protocol stacks with room for application logic.
Recommandé
Automotive Body Electronics Modules
The SAM C20 family's AEC-Q100 Grade 1 qualification and 5V tolerance suit body control modules including lighting controllers, mirror adjusters, and seat controllers. The Cortex-M0+ at 48 MHz handles LIN/CAN communication while the 12-bit ADC reads sensor inputs for position feedback. Operating temperature range of -40C to +125C (Grade 1) supports under-hood mounting in automotive designs.
Recommandé
Building Automation Controllers
Building automation systems require 5V tolerant MCUs for HVAC damper actuators, smart thermostats, and access control panels. The ATSAMC20E16A-AUTS2's 5V I/O interfaces with legacy building automation sensors while the SERCOM peripherals support RS-485, I2C, and SPI connectivity to building management networks. The 8KB SRAM handles real-time control loops with predictable latency.
Recommandé
Low-Power IoT Sensor Hubs
Battery-powered sensor hubs benefit from the SAM C20's SleepWalking peripherals and Event System that wake the CPU only on relevant events. The ATSAMC20E16A-AUTS2's 5V tolerance simplifies integration with industrial 24V sensor rails through simple resistor dividers. The 64KB Flash supports over-the-air update bootloaders for field-deployed IoT devices.
Recommandé
Motor Control Peripheral Boards
The TCC (Timer/Counter for Control) peripherals in the ATSAMC20E16A-AUTS2 generate complementary PWM outputs with dead-time insertion for small BLDC and stepper motor drives. The Cortex-M0+ at 48 MHz executes Field-Oriented Control loops for sub-kW motors. The 12-bit ADC samples phase currents at 350 ksps for torque control feedback.
Recommandé
Human-Machine Interface (HMI) Controllers
HMI controllers in industrial equipment use the ATSAMC20E16A-AUTS2 to drive LED indicators, read button matrices, and communicate with main controllers via UART or CAN-FD. The 32-pin TQFP provides sufficient I/O for 7-segment displays and rotary encoders. The PTC (Peripheral Touch Controller) supports capacitive touch buttons without external ICs.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour ATSAMC20E16A-AUTS2 — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | ATSAMC21E16A-AUT | ATSAMC20E15A-AUT | ATSAMD20E16A-CFN | ATSAMD21E16A-AU |
|---|---|---|---|---|---|
| Package | 32-TQFP (7x7 mm) | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same | 32-TQFP (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | Cortex-M0+ 48 MHz | Cortex-M0+ 48 MHz (with HW multiply) | Cortex-M0+ 48 MHz | Cortex-M0+ 48 MHz | Cortex-M0+ 48 MHz |
| Flash | 64 KB | 64 KB | 32 KB (-50%) | 64 KB | 64 KB |
| Supply Voltage | 2.7V-5.5V (5V tolerant) | 2.7V-5.5V (5V tolerant) | 2.7V-5.5V (5V tolerant) | 1.62V-3.6V (3.3V only) | 1.62V-3.6V (3.3V only) |
| CAN-FD Support | Yes | Yes | Yes | No (CAN 2.0B only) | No |
| ADC | 12-bit 350 ksps | 12-bit 1 Msps | 12-bit 350 ksps | 12-bit 350 ksps | 12-bit 350 ksps |
| AEC-Q100 | Grade 1 capable (family) | Grade 1 capable | Grade 1 capable | Not qualified | Not qualified |
Principaux différenciateurs
- 5V supply and I/O tolerance with integrated CAN-FD (vs ATSAMD20E16A-CFN)
- Full 64KB Flash with AEC-Q100 Grade 1 family qualification (vs ATSAMC20E15A-AUT)
- Hardware multiply on Cortex-M0+ upgrade path (vs ATSAMC21E16A-AUT)
Notes de conception
Place decoupling capacitors (100 nF ceramic + 1 uF bulk) as close as possible to VDD and GND pins (pins 9, 30 and 10, 31). For the 32-TQFP package, route power and ground on dedicated planes with vias stitched around the perimeter. The exposed thermal pad area on the TQFP-32 (if present on package variant) should be soldered to a ground copper pour for thermal dissipation and improved EMI performance.
Do not exceed the absolute maximum VDD of 6.0V; transients above this will damage the MCU. Ensure the SWD pins (SWDIO pin 28, SWCLK pin 29) are not left floating during normal operation - either connect to a debugger header or pull SWDIO low through 10 kohm resistor to prevent unintended debug entry. The internal 48 MHz oscillator requires the NVM software calibration row to be loaded at startup for accurate timing.
When using SERCOM in I2C mode, include external pull-up resistors (typically 2.2 kohm to 10 kohm depending on bus speed and capacitance) on SDA and SCL lines. The internal pull-ups on SAM C20 GPIO are weak (~20-50 kohm) and unsuitable for reliable I2C communication above 100 kHz. For CAN-FD, place a 120 ohm termination resistor at each end of the bus segment and route the CANH/CANL differential pair with controlled impedance.
Informations de conformité
RoHS compliant per Microchip product page. AEC-Q100 Grade 1 qualified at the SAM C20 family level. Lead-free and halogen-free per Microchip environmental compliance documentation.
