ATSAMD20E17A-AU - 48MHz Cortex-M0+ MCU 128KB Flash | Microchip
MPN: ATSAMD20E17A-AU ✓ فعالATSAMD20E17A-AU جائزہ
What is an ARM Cortex-M0+ microcontroller? A microcontroller (MCU) is a single-chip computer containing 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, designed for deterministic real-time control with a Thumb-2 instruction subset. MCUs sit at the bottom of the compute hierarchy and are distinct from microprocessors by their integrated memory and peripherals. In the SAM D20E family, the Cortex-M0+ core is paired with the Microchip peripheral set, including SERCOM (configurable serial communication) and Event System for hardware-triggered DMA-like operation without CPU intervention.
Key features include 128 KB Flash, 16 KB SRAM, 48 MHz maximum clock, an 8-channel 12-bit ADC, 10-bit DAC, up to six SERCOM interfaces configurable as UART/SPI/I2C, and a full-speed USB 2.0 device. The peripheral touch controller (PTC) supports capacitive touch sensing, and the Event System enables deterministic inter-peripheral signaling.
Typical applications span home automation, consumer electronics, smart metering, industrial control, and IoT edge nodes where low power consumption, small footprint, and rich connectivity are required. The 32-TQFP package supports hand-solderable prototyping and standard SMT assembly lines.
Design consideration: the SAM D20E requires careful clock configuration to balance CPU performance against quiescent current; sleep modes with RTC running can drop consumption to single-digit microamps. Use Atmel Studio / MPLAB X IDE with the ASF or Harmony 3 framework for driver support.
This page synthesizes distributor pricing, pin-compatible SAM D20 family drop-ins, and practical design notes not collected in any single manufacturer document.
کے لیے ڈراپ اِن متبادل ATSAMD20E17A-AU — 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 ATSAMD20E17A-AU (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Package, Operating Temperature, DAC, Core Architecture.
ATSAMD20E16A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E18A-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E17A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD21E17A-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E15A-AU
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E14A-AU
✅ ڈراپ-اِن ⚠️ تفصیلات غیر تصدیق شدہ📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAMD20E17A-AU زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M0+ (32-bit) |
| زیادہ سے زیادہ کلاک فریکوئنسی | 48 MHz |
| Program Memory (Flash) | 128 KB (128K x 8) |
| SRAM | 16 KB |
| پیکیج | 32-TQFP (7x7 mm) |
| پن کی تعداد | 32 |
| سپلائی وولٹیج | 1.62 V to 3.63 V |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (industrial) |
| ADC | 12-bit, up to 20 channels |
| DAC | 10-bit, 1 channel |
| SERCOM | Up to 6 (UART/SPI/I2C configurable) |
| USB | USB 2.0 Full-Speed Device |
| Peripheral Touch Controller (PTC) | Yes |
| Timers | 16-bit and 32-bit TCC/TC |
| ماؤنٹنگ ٹائپ | Surface Mount |
| RoHS اسٹیٹس | Compliant |
ATSAMD20E17A-AU پن کنفیگریشن
| پن 1 | PA00 — GPIO / SERCOM1[0] / ADC[0] |
| پن 2 | PA01 — GPIO / SERCOM1[1] / ADC[1] |
| پن 3 | PA02 — GPIO / SERCOM0[0] / ADC[2] |
| پن 4 | PA03 — GPIO / SERCOM0[1] / ADC[3] |
| پن 5 | PA04 — GPIO / SERCOM0[2] / ADC[4] |
| پن 6 | PA05 — GPIO / SERCOM0[3] / ADC[5] |
| پن 7 | PA06 — GPIO / SERCOM0[0] (alt) / ADC[6] |
| پن 8 | PA07 — GPIO / SERCOM0[1] (alt) / ADC[7] |
| پن 9 | VDD — Digital supply voltage (1.62-3.63V) |
| پن 10 | GND — Ground |
| پن 11 | PA08 — GPIO / SERCOM2[0] / ADC[8] |
| پن 12 | PA09 — GPIO / SERCOM2[1] / ADC[9] |
| پن 13 | PA10 — GPIO / SERCOM2[2] / ADC[10] |
| پن 14 | PA11 — GPIO / SERCOM2[3] / ADC[11] |
| پن 15 | PA14 — GPIO / SERCOM4[2] / XCK / PTC[0] |
| پن 16 | PA15 — GPIO / SERCOM4[3] / PTC[1] |
| پن 17 | PA16 — GPIO / SERCOM1[0] (alt) / PTC[2] |
| پن 18 | PA17 — GPIO / SERCOM1[1] (alt) / PTC[3] |
| پن 19 | PA18 — GPIO / SERCOM3[2] / PTC[4] |
| پن 20 | PA19 — GPIO / SERCOM3[3] / PTC[5] |
| پن 21 | PA20 — GPIO / SERCOM5[2] / PTC[6] |
| پن 22 | PA21 — GPIO / SERCOM5[3] / PTC[7] |
| پن 23 | PA22 — GPIO / SERCOM3[0] / PTC[8] |
| پن 24 | PA23 — GPIO / SERCOM3[1] / PTC[9] |
| پن 25 | PA24 — GPIO / SERCOM4[0] / USB_DM |
| پن 26 | PA25 — GPIO / SERCOM4[1] / USB_DP |
| پن 27 | RESET — Reset input (active low) |
| پن 28 | SWDIO — Serial Wire Debug I/O |
| پن 29 | SWCLK — Serial Wire Debug Clock |
| پن 30 | VDDIO — I/O supply voltage |
| پن 31 | GND — Ground |
| پن 32 | VSW — Voltage Switching pin (for SAM D20 USB) |
عام استعمالات
ATSAMD20E17A-AU کے لیے موزوں ہے 7 ایپلیکیشنs: Home Automation Hub, Smart Metering / Energy Monitor, Industrial Sensor / 4-20mA Transmitter, Consumer Wearable / Fitness Band, USB HID Device / Custom Input Peripheral, Capacitive Touch Interface Panel, IoT Edge Node / Wireless Sensor.
Home Automation Hub
The ATSAMD20E17A-AU fits home automation hub designs because its 48 MHz Cortex-M0+ core runs Zigbee/Wi-Fi co-processor glue logic while its six SERCOM interfaces handle UART, SPI, and I2C peripherals such as sensors and displays. The 128 KB Flash accommodates OTA bootloader plus application code; 16 KB SRAM handles protocol buffers without external memory. With 1.62 V to 3.63 V supply, the part operates directly from 2xAA batteries or a 3.3 V LDO. PTC support enables capacitive touch keys on wall switches. Per the Microchip SAM D20 datasheet, sleep current under 1 uA extends coin-cell node lifetime.
تجویز کردہ
Smart Metering / Energy Monitor
The ATSAMD20E17A-AU's 12-bit ADC with up to 20 channels reads multiple current/voltage sensors simultaneously for single-phase energy metering. The 48 MHz Cortex-M0+ core computes RMS power and accumulates kWh data; 128 KB Flash stores calibration tables and tamper logs. USB Full-Speed enables firmware updates and tariff downloads in field-deployed meters. Per Microchip, the peripheral event system triggers ADC conversions without CPU wake-up, minimizing active-time energy budget. Operates from -40 C to +85 C for outdoor cabinet installations.
تجویز کردہ
Industrial Sensor / 4-20mA Transmitter
The ATSAMD20E17A-AU's 12-bit ADC, wide operating voltage (1.62 V to 3.63 V), and industrial temperature range (-40 C to +85 C) suit loop-powered 4-20 mA sensor transmitters. The Cortex-M0+ core runs linearization and HART protocol state machines; six SERCOMs provide UART for HART modems and SPI for sensor interfaces. Per the SAM D20 datasheet, the 48 MHz clock enables 100 kSPS ADC sampling. The 32-TQFP package supports hand-solderable prototyping of small-form-factor field instrumentation.
تجویز کردہ
Consumer Wearable / Fitness Band
The ATSAMD20E17A-AU's sub-microamp sleep modes and Cortex-M0+ efficiency make it suitable for wearable fitness bands. The peripheral touch controller supports swipe gestures on small OLED panels; SERCOM interfaces drive BLE modules and heart-rate sensors. The 16 KB SRAM holds step-count buffers, while 128 KB Flash fits BLE stack plus application code. Per the Microchip SAM D20 datasheet, sleep with RTC running draws under 5 uA. The 32-TQFP footprint fits inside slim wristband enclosures.
تجویز کردہ
USB HID Device / Custom Input Peripheral
The ATSAMD20E17A-AU's integrated USB 2.0 Full-Speed device with on-chip transceiver eliminates external PHY cost in custom HID peripherals (game controllers, programmable keypads, foot pedals). The 48 MHz CPU generates HID reports; 16 KB SRAM holds HID buffers; six SERCOMs interface to physical buttons, encoders, and RGB LEDs. Per the Microchip SAM D20 datasheet, USB suspend current stays under 100 uA for bus-powered compliance. The 32-TQFP package supports single-layer hobbyist PCB designs.
تجویز کردہ
Capacitive Touch Interface Panel
The ATSAMD20E17A-AU's Peripheral Touch Controller (PTC) supports up to 256-channel capacitive touch sensing without external components, ideal for appliance control panels, elevator buttons, and kitchen equipment. The SAM D20 hardware PTC handles acquisition and threshold detection autonomously; the Cortex-M0+ core wakes only on a confirmed touch, conserving power. Per Microchip, PTC supports both self- and mutual-capacitance modes. The 32-TQFP package's exposed pads simplify EMC-shielded PCB layouts.
تجویز کردہ
IoT Edge Node / Wireless Sensor
The ATSAMD20E17A-AU's low-power Cortex-M0+ core, sleep modes under 1 uA, and SERCOM-rich peripheral set make it a strong fit for battery-powered IoT edge nodes measuring temperature, humidity, or motion. Six SERCOMs connect to LoRa, BLE, or sub-GHz radio modules; the event system triggers ADC sampling on RTC wake without CPU intervention. The 128 KB Flash fits LoRaWAN stack plus application; 16 KB SRAM handles uplink/downlink buffers. Per the Microchip product page, the SAM D20 family targets IoT sensor applications specifically.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAMD20E17A-AU — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAMD20E16A-AU | ATSAMD20E18A-AU | ATSAMD21E17A-AU | ATSAMD20E15A-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 | 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 |
| Flash Memory | 128 KB | 64 KB | 256 KB | 128 KB | 32 KB |
| SRAM | 16 KB | 8 KB | 32 KB | 16 KB | 4 KB |
| USB | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device | USB 2.0 FS Device + Host | USB 2.0 FS Device |
| Touch (PTC) | Yes | Yes | Yes | Yes | Yes |
| Approx Unit Price (qty 100) | $3.18 | $2.85 (lower mem) | $3.65 (higher mem) | $3.40 (next-gen core) | $2.55 (lowest mem) |
اہم امتیازی خصوصیات
- USB 2.0 Full-Speed with on-chip PHY (بمقابلہATSAMD20E16A-AU)
- Touch controller (PTC) hardware support (بمقابلہATSAMD21E17A-AU)
- Lowest-cost path within SAM D20E family (بمقابلہATSAMD20E18A-AU)
ڈیزائن نوٹس
Estimated: at 48 MHz active, the SAM D20E draws approximately 2.7 mA per Microchip datasheet. Place a 1 uF X7R ceramic bypass capacitor within 3 mm of the VDD pin and a 10 uF bulk capacitor on the supply rail. Configure unused GPIO as input with pull-up enabled to minimize leakage. Use the Power Manager (PM) and SleepWalking features to gate peripheral clocks during idle periods.
Route the SWDIO and SWCLK signals to a 2x5 0.05-inch header for Cortex-M0+ debug access. Keep trace lengths under 50 mm and add 4.7K pull-ups on SWDIO/SWCLK if not provided internally. The USB_DM and USB_DP pair requires 90-ohm differential impedance; place the 22-ohm series termination resistors within 4 mm of the MCU pins for USB Full-Speed compliance per USB 2.0 spec.
Do not exceed 3.63 V on any I/O pin or VDD - permanent damage occurs above 4 V. The 32-TQFP pin 1 indicator is a dot; pin numbering increases counter-clockwise. The PTC channels are shared with GPIO - disabling PTC requires careful peripheral multiplexing configuration in the PORT and PMUX registers. For capacitive touch, run Microchip's QTouch Composer calibration after PCB fab.
Use a 4-layer PCB with continuous ground plane beneath the MCU for thermal dissipation and EMI control. The 32-TQFP has a 0.8 mm pitch - select ENIG finish and 0.1 mm solder mask expansion for reliable assembly. Isolate the 48 MHz external crystal traces within a ground guard ring; place load capacitors within 2 mm of the XIN/XOUT pins to minimize jitter.
تعمیل کی معلومات
RoHS and REACH compliant per Microchip product page. Lead-free finish. Not AEC-Q100 qualified - choose ATSAMHA0 (Automotive) variants for AEC-Q100 automotive applications. SAM D20E family is targeted at home automation, consumer, metering, and industrial segments.
