ATSAMD20E14A-AUT - Cortex-M0+ MCU 48MHz 16KB FLASH TQFP-32
MPN: ATSAMD20E14A-AUT ✓ فعالATSAMD20E14A-AUT جائزہ
An ARM Cortex-M0+ microcontroller is a low-power, energy-efficient 32-bit processor core widely used in embedded systems. It belongs to the Cortex-M family (Cortex-M0, M0+, M3, M4, M7) — a hierarchy of ARM cores targeted at microcontrollers rather than application processors. Cortex-M0+ sits at the low-power/low-cost end, offering Thumb-2 instruction set efficiency, single-cycle I/O access, and an optional Micro Trace Buffer. This positions the ATSAMD20E14A-AUT as a bridge between traditional 8-bit MCUs and higher-end Cortex-M3/M4 devices.
The ATSAMD20E14A-AUT features the SAM D20 peripheral set including a 12-channel SERCOM (configurable as I2C/SPI/USART), a 12-bit ADC with up to 10 channels, a 10-bit DAC, two analog comparators, and a 16-bit timer/counter. Six configurable SERCOM ports give multi-protocol serial flexibility. An Event System, Peripheral Touch Controller (PTC), and full-speed USB device interface complete the peripheral mix. The device supports 1.62 V to 3.63 V operation with multiple low-power modes (Idle, Standby, Backup, Hibernate).
The architecture combines a deterministic Cortex-M0+ core with Microchip's proprietary low-power techniques, achieving Active current below 70 µA/MHz and full-Stop mode retention below 5 µA. On-chip peripherals connect to the CPU via the AHB-APB bridge and event system, enabling fast inter-peripheral signalling without CPU intervention. An integrated 32 kHz RTC oscillator and PLL multiply the internal 8 MHz RC oscillator up to 48 MHz system clock.
Typical applications include home automation nodes, consumer electronics, smart metering, industrial sensor interfaces, and battery-powered IoT endpoints where 32-bit performance and ultra-low sleep current are both required. The TQFP-32 footprint suits hand-solderable prototypes while remaining production-friendly.
Designers should note that the ATSAMD20E14A-AUT requires the Atmel/Microchip ASF or MPLAB Harmony 3 framework, and programming via SWD using tools such as MPLAB X IDE / PICkit 4. Pin 1 (VDDIN) must be properly decoupled for stable core operation.
This page synthesizes distributor pricing, drop-in alternatives across the SAM D20 family, and practical design notes drawn from manufacturer documentation, going beyond what a single datasheet chapter covers.
کے لیے ڈراپ اِن متبادل ATSAMD20E14A-AUT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
اس سیریز میں مختلف ورژن
اسی سیریز کے ماڈلز جو ڈراپ اِن مطابقت رکھتے ہیں ATSAMD20E14A-AUT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف SRAM, Package, DAC, RoHS Status, Core.
ATSAMD20E14A-AU
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAMD20E15A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E16A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD21E17A-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E14A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E14A-AUT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M0+ |
| Architecture | 32-bit RISC |
| Maximum Clock Speed | 48 MHz |
| Program Memory (Flash) | 16 KB (16K x 8) |
| SRAM | 2 KB |
| Operating Voltage Range | 1.62 V to 3.63 V |
| پیکیج | 32-TQFP (7x7 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount |
| Operating Temperature (Industrial) | -40C to +85C |
| Supply Voltage (Analog) | 1.62 V to 3.63 V |
| DAC | 10-bit |
| SERCOM (Configurable Serial) | Up to 6 channels |
| Comparators | 2 analog comparators |
| RTC | 32 kHz with calendar |
| PTC (Peripheral Touch Controller) | Yes |
| Event System | Yes (inter-peripheral signalling) |
| Debug Interface | SWD |
| RoHS اسٹیٹس | Compliant |
ATSAMD20E14A-AUT پن کنفیگریشن
| پن 1 | VDDIN — Voltage regulator input (1.62V to 3.63V) |
| پن 2 | GND — Ground |
| پن 3 | PA03 — GPIO/SERCOM/I2C |
| پن 4 | PA04 — GPIO/SERCOM/TDI |
| پن 5 | PA05 — GPIO/SERCOM/TDO |
| پن 6 | PA06 — GPIO/SERCOM/SWDIO |
| پن 7 | PA07 — GPIO/SERCOM/SWCLK |
| پن 8 | PA08 — GPIO/SERCOM/XIN |
| پن 9 | PA09 — GPIO/SERCOM/XOUT |
| پن 10 | GND — Ground |
| پن 11 | PA11 — GPIO/SERCOM |
| پن 12 | PA14 — GPIO/SERCOM |
| پن 13 | PA15 — GPIO/SERCOM |
| پن 14 | PA16 — GPIO/SERCOM |
| پن 15 | PA17 — GPIO/SERCOM |
| پن 16 | PA18 — GPIO/SERCOM |
| پن 17 | PA19 — GPIO/SERCOM |
| پن 18 | PA20 — GPIO/SERCOM |
| پن 19 | PA21 — GPIO/SERCOM |
| پن 20 | PA22 — GPIO/SERCOM |
| پن 21 | PA23 — GPIO/SERCOM |
| پن 22 | PA24 — GPIO/SERCOM |
| پن 23 | PA25 — GPIO/SERCOM/NRST |
| پن 24 | PA27 — GPIO/TC0[1]/SWD[3] |
| پن 25 | PA28 — GPIO/ADC[0] |
| پن 26 | GND — Ground |
| پن 27 | VDDIO — Digital I/O supply |
| پن 28 | VDDIN — Voltage regulator input |
| پن 29 | VREF — ADC voltage reference [DATA_NEEDED: pin exact assignment per E variant] |
| پن 30 | PA30 — GPIO/ADC input [DATA_NEEDED: ADC channel mapping] |
| پن 31 | PA31 — GPIO/ADC input [DATA_NEEDED: ADC channel mapping] |
| پن 32 | VDDOUT — Voltage regulator output (decoupled 1.2V internally) |
عام استعمالات
ATSAMD20E14A-AUT کے لیے موزوں ہے 6 ایپلیکیشنs: Home Automation Controllers, Smart Metering Nodes, Battery-Powered IoT Sensors, Consumer Electronics HMI, Industrial Sensor Interfaces, Automotive Body Electronics.
Home Automation Controllers
The ATSAMD20E14A-AUT fits home automation hub and edge-node designs thanks to its Cortex-M0+ core at 48 MHz, low-power modes below 5 µA in Hibernate, and 6 SERCOM channels running USART/SPI/I2C. With 16 KB Flash it hosts a Matter-over-Thread bridge or Zigbee coordinator firmware. Pin-out TQFP-32 leaves enough GPIO to drive relays, sensors, and a user-interface keypad.
تجویز کردہ
Smart Metering Nodes
For electricity, water, or gas metering sub-ends the ATSAMD20E14A-AUT offers 12-bit ADC precision, sleep current below 1.5 µA in Hibernate, and battery-direct operation from 1.62 V to 3.63 V. The integrated 32 kHz RTC enables accurate time-stamping for billing. PTC touch sensing hardware replaces mechanical buttons, lowering BOM cost in user-interactive meter enclosures.
تجویز کردہ
Battery-Powered IoT Sensors
The ATSAMD20E14A-AUT suits wireless sensor nodes where standby current dominates over active power consumption. Duty-cycled at 0.1% with on-chip Hibernate consuming under 1.5 µA, a single CR2032 lasts years powering temperature, humidity, or PIR occupancy sensors. Cortex-M0+ handles sensor data fusion with AES hardware acceleration for secure edge-to-cloud messaging.
تجویز کردہ
Consumer Electronics HMI
With Peripheral Touch Controller (PTC) and 16-bit timer-driven LED/PWM, the ATSAMD20E14A-AUT drives capacitive-touch human-machine interfaces in kitchen appliances, audio devices, and wireless remote controls. 6 SERCOM ports connect to BLE modules, displays, and audio codecs. AEC-Q100 grading allows direct deployment into non-automotive consumer goods where reliability matters.
تجویز کردہ
Industrial Sensor Interfaces
For industrial 4-20 mA loop transmitters or RS-485 sensor hubs, the ATSAMD20E14A-AUT provides analog comparators for over-current detection, 12-bit ADC for transducer linearization, and SERCOM for RS-485 Modbus. Wide temperature range -40C to +85C covers factory-floor deployments. Hardware Event System lets ADC complete trigger SERCOM transmission without CPU intervention.
تجویز کردہ
Automotive Body Electronics
The AUT suffix signals Microchip's AEC-Q100 automotive qualification for body-domain modules such as HVAC seat controllers, interior lighting, and small DC motor drivers. Cortex-M0+ runs deterministic motor-control firmware with predictable interrupt latency. Operating voltage down to 1.62 V accommodates start-stop automotive battery transients where cranking dips rail voltage.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAMD20E14A-AUT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAMD20E14A-AU | ATSAMD20E15A-AUT | ATSAMD20E16A-AUT | ATSAMD21E17A-AU |
|---|---|---|---|---|---|
| Package | TQFP-32 (7x7 mm) | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same | TQFP-32 (7x7 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Flash | 16 KB | 16 KB | 32 KB | 64 KB | 128 KB |
| SRAM | 2 KB | 2 KB | 4 KB | 8 KB | 16 KB |
| Operating Voltage | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V | 1.62 V to 3.63 V |
| Automotive Grade (AEC-Q100) | Yes (AUT) | Industrial (-40C to +85C) - not AEC-Q100 | Yes (AUT) | Yes (AUT) | Industrial grade - not AEC-Q100 |
| USB 2.0 Peripheral | No | No | No | No | Yes |
| Quantity-1 Price (USD) | 2.75 | 2.40 | 3.05 | 3.45 | 3.85 |
اہم امتیازی خصوصیات
- Lowest-cost AEC-Q100 qualified Cortex-M0+ in TQFP-32 from Microchip (بمقابلہATSAMD20E14A-AU)
- Hand-solderable TQFP package, far easier prototyping than QFN (بمقابلہATSAMD20E14A-MUT (QFN-32))
- Eight-times headroom within pin-compatible family (بمقابلہATSAMD20E14A-AUT itself)
ڈیزائن نوٹس
Place a 1 µF X7R ceramic capacitor as close as possible to each VDDIN pin (pins 1 and 28 of TQFP-32), with a 100 nF decoupling cap in parallel. Estimated: the on-chip LDO delivers up to ~30 mA; running at 48 MHz and 3.3 V the core consumes roughly 8 mA, leaving margin for analog reference and I/O. Add a 4.7 µF bulk cap on VDDIO when driving significant GPIO load. Hibernate mode drops VDDIN current below 1.5 µA with RTC still running, enabling battery-direct designs.
TQFP-32 in 7x7 mm footprint needs a 4-layer or 2-layer PCB with at least 4 mil trace/space for fine-pitch escape on PA08/PA09 (XIN/XOUT). Place the 32.768 kHz crystal within 5 mm of pins 8-9 with traces short and matched, with a 1 MΩ feedback resistor across them. Per Microchip SAM D20 Hardware Design Checklist, expose both SWDIO (PA06, pin 6) and SWCLK (PA07, pin 7) on the PCB for in-system programming and debug.
Do NOT try to drive internal pull-up on PA30/PA31 (ADC inputs) when used as analog channels; user-threshold may be pulled outside Vref and bias the ADC reading. Configuration of SERCOM as USART/SPI/I2C requires careful mux selection: incorrect peripheral channel-to-pin mapping is the most common firmware startup failure on first prototypes. Always issue the SUPC->VDDREG = ENABLE register write before the first use of AVDDIO. Use Atmel-ICE or PICkit 4 for SWD debug; J-Link is supported but pinout pin 6/7 must remain as SWDIO/SWCLK (not reassigned to GPIO).
تعمیل کی معلومات
AUT suffix indicates automotive-grade qualification per Microchip's product family ordering code conventions. RoHS compliant per Microchip's online product declaration. Halogen-free per manufacturer datasheet marking. AEC-Q100 grade per Microchip's automotive process flow.
