ATSAMD20E16A-ANT - ARM Cortex-M0+ MCU, 48MHz, 64KB Flash | Microchip
MPN: ATSAMD20E16A-ANT ✓ فعالATSAMD20E16A-ANT جائزہ
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), working memory (SRAM), and a rich set of peripherals into one package. The ARM Cortex-M0+ is the smallest, most energy-efficient core in the Cortex-M family; in the SAMD20 hierarchy it sits above 8-bit AVR/PIC microcontrollers but below Cortex-M3/M4 parts in compute density, making it ideal for cost-sensitive embedded control. The 48 MHz clock, single-cycle I/O access, and Microchip's peripheral touch (SERCOM, Event System) make it a workhorse for connected sensor nodes.
Key differentiating features of the ATSAMD20E16A-ANT include 64 KB Flash / 8 KB SRAM with single-cycle I/O access, six SERCOM serial-communication modules that can each be configured as UART, SPI, or I2C, a 12-bit 350 ksps ADC with up to 20 channels, and a 10-bit 350 ksps DAC. The integrated Peripheral Touch Controller (PTC) supports capacitive touch sensing, while the Event System enables inter-peripheral signalling without CPU intervention, reducing active time and power. The device operates from 1.62 V to 3.63 V across the -40C to +105C industrial range.
Architecturally, the SAMD20E16A-ANT uses a two-pin AHB-APB bus matrix, an 8-channel DMA controller, and SleepWalking peripherals that clock-gate unused logic. Its Sleep, Standby, and Backup modes draw single-digit microamp currents, which is the reason the family is so popular in battery-powered IoT end nodes. Programming is via SWD, and the Cortex-M0+ supports the full ARMv6-M instruction set including Thumb-2.
Typical applications for the ATSAMD20E16A-ANT include home-automation sensor hubs (PIR, temperature, gas), industrial metering (water/gas/electricity), consumer appliances (coffee machines, washing machines), low-power IoT edge nodes, capacitive touch user interfaces, and small motor-control loops using the on-chip Timer/Counter blocks. The combination of 64 KB Flash, deterministic Cortex-M0+ core, and rich SERCOM peripherals makes it a flexible general-purpose MCU.
When designing with this part, budget the VDDCORE decoupling carefully (1 uF + 100 nF close to the pin), ensure DFLL or PLL startup time is accounted for in your boot sequence, and select the TQFP-32 package only when you need breadboard-friendly prototyping or hand-reworkable assembly - the QFN/48-pin variants exist for higher pin-count needs.
This page consolidates real distributor pricing (as of 2026-09-21), package-matched drop-in alternatives from the SAM D20 family, and practical hardware design notes beyond the manufacturer datasheet summary.
کے لیے ڈراپ اِن متبادل ATSAMD20E16A-ANT — 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 ATSAMD20E16A-ANT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Mounting Type, Package, SRAM, Operating Temperature.
ATSAMD20E15A-AN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E15B-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E14A-AN
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E14B-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD20E16A-ANT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core Architecture | ARM Cortex-M0+ (ARMv6-M) |
| Core Count | 1 (single core) |
| Bit Width | 32-bit |
| Maximum CPU Frequency | 48 MHz |
| Program Memory (Flash) | 64 KB (64K x 8) |
| SRAM | 8 KB |
| Operating Voltage (VDDIO) | 1.62 V to 3.63 V |
| آپریٹنگ درجہ حرارت | -40C to +105C (industrial) |
| پیکیج | 32-pin TQFP (7x7 mm) |
| ماؤنٹنگ ٹائپ | Surface Mount (SMD/SMT) |
| ADC | 12-bit, up to 350 ksps |
| DAC | 10-bit, 350 ksps |
| Communication Interfaces | Up to 6 SERCOM (UART/SPI/I2C), I2S |
| Timers/Counters | TC (16-bit) and TCC (24-bit) modules |
| Touch Sensing | Peripheral Touch Controller (PTC) |
| Debug Interface | Serial Wire Debug (SWD) |
| RoHS اسٹیٹس | Compliant (green compound) |
ATSAMD20E16A-ANT پن کنفیگریشن
| پن 1 | PA02 — GPIO / ADC AIN0 / DAC VOUT |
| پن 2 | PA03 — GPIO / ADC AIN1 / VREFA |
| پن 3 | PA04 — GPIO / VREFB / ADC AIN2 |
| پن 4 | PA05 — GPIO / ADC AIN3 |
| پن 5 | PA06 — GPIO / ADC AIN4 / SERCOM0 PAD2 |
| پن 6 | PA07 — GPIO / ADC AIN5 / SERCOM0 PAD3 |
| پن 7 | VDDIO — Digital I/O supply (1.62-3.63 V) |
| پن 8 | GND — Ground |
| پن 9 | PA08 — GPIO / SERCOM0 PAD0 / I2S MCLK |
| پن 10 | PA09 — GPIO / SERCOM0 PAD1 / I2S FS |
| پن 11 | PA10 — GPIO / SERCOM2 PAD2 / I2S SCK |
| پن 12 | PA11 — GPIO / SERCOM2 PAD3 / I2S SDO |
| پن 13 | PA14 — GPIO / SERCOM2 PAD0 / TCC0 WO[0] |
| پن 14 | PA15 — GPIO / SERCOM2 PAD1 / TCC0 WO[1] |
| پن 15 | PA16 — GPIO / SERCOM1 PAD0 / TCC1 WO[0] |
| پن 16 | PA17 — GPIO / SERCOM1 PAD1 / TCC1 WO[1] |
| پن 17 | PA18 — GPIO / SERCOM3 PAD2 / TC3 WO[0] |
| پن 18 | PA19 — GPIO / SERCOM3 PAD3 / TC3 WO[1] |
| پن 19 | PA20 — GPIO / SERCOM5 PAD2 / TC4 WO[0] |
| پن 20 | PA21 — GPIO / SERCOM5 PAD3 / TC4 WO[1] |
| پن 21 | PA22 — GPIO / SERCOM3 PAD0 / TC5 WO[0] |
| پن 22 | PA23 — GPIO / SERCOM3 PAD1 / TC5 WO[1] |
| پن 23 | PA24 — GPIO / SERCOM5 PAD0 / USB DM (alt) |
| پن 24 | PA25 — GPIO / SERCOM5 PAD1 / USB DP (alt) |
| پن 25 | GND — Ground |
| پن 26 | VDDIO — Digital I/O supply (1.62-3.63 V) |
| پن 27 | VDDCORE — Internal voltage regulator output (decouple 1uF+100nF) |
| پن 28 | RESET — Active-low reset input |
| پن 29 | SWDIO — Serial Wire Debug data |
| پن 30 | SWDCLK — Serial Wire Debug clock |
| پن 31 | PA30 — GPIO / SERCOM1 PAD2 / TCC1 WO[0] alt |
| پن 32 | PA31 — GPIO / SERCOM1 PAD3 / TCC1 WO[1] alt |
عام استعمالات
ATSAMD20E16A-ANT کے لیے موزوں ہے 6 ایپلیکیشنs: Home Automation Sensor Hub, Industrial Metering, Consumer Appliance Control, Low-Power IoT Edge Node, Capacitive Touch User Interface, Small Motor Control Loop.
Home Automation Sensor Hub
The ATSAMD20E16A-ANT fits home-automation sensor hubs because its six configurable SERCOM modules support UART/SPI/I2C peripherals - PIR motion sensors, temperature/humidity SiPs like SHT31, and low-power radios - all sharing one MCU. The 12-bit 350 ksps ADC samples analog sensors directly while the 10-bit DAC drives LED drivers or audio cues. SleepWalking peripherals and low-microamp Standby mode let a battery-powered motion detector run for years on two AA cells; the Cortex-M0+ at 48 MHz handles BLE provisioning or Zigbee coordination when awake.
تجویز کردہ
Industrial Metering
In water/gas/electricity meters the ATSAMD20E16A-ANT is well-suited thanks to its 12-bit ADC that captures current shunts and voltage dividers with sufficient accuracy for sub-1% billing-class measurements, plus 64 KB Flash for tariff schedules and 8 KB SRAM for rolling consumption windows. The 105C operating temperature lets the MCU sit beside power-conversion stages on the same PCB, and the Event System synchronizes ADC conversions with timer pulses without CPU intervention, reducing active-mode current. RTC with calendar mode supports time-of-use billing.
تجویز کردہ
Consumer Appliance Control
Coffee machines, washing machines, and air purifiers benefit from the ATSAMD20E16A-ANT because the Peripheral Touch Controller (PTC) supports up to 32 capacitive buttons and sliders without external touch ICs. The 48 MHz Cortex-M0+ runs user-interface state machines and motor-control loops simultaneously, while six SERCOM channels interface to displays, motor drivers, and WiFi modules. The wide 1.62-3.63 V supply lets the MCU run directly from rectified mains via a small LDO, eliminating a second regulator stage.
تجویز کردہ
Low-Power IoT Edge Node
For battery-powered IoT edge nodes, the ATSAMD20E16A-ANT offers Sleep currents in the low microamp range combined with SleepWalking peripherals that wake the CPU only when a sensor threshold is crossed, extending battery life by 5-10x versus always-on designs. The 48 MHz Cortex-M0+ runs local inference or edge filtering on 12-bit ADC data, and SERCOM channels handle LoRa, Sigfox, or sub-GHz radio SPI interfaces. 64 KB Flash accommodates OTA bootloader plus application; 8 KB SRAM supports modest buffering.
تجویز کردہ
Capacitive Touch User Interface
The ATSAMD20E16A-ANT is a strong fit for capacitive touch UIs because the on-chip Peripheral Touch Controller (PTC) supports mutual-capacitance and self-capacitance touch sensing across all GPIO pins - eliminating a dedicated touch IC and reducing BOM cost. Up to 32 touch buttons or a slider/wheel can be implemented using the QTouch library. The 48 MHz core handles the touch-scan DMA choreography plus a small graphics library for a 128x64 OLED, while Standby current stays in the low microamp range.
تجویز کردہ
Small Motor Control Loop
For small DC motor, stepper, or BLDC control loops in compact designs, the ATSAMD20E16A-ANT provides 24-bit TCC timer/counter blocks with complementary PWM outputs and dead-time insertion for safe half-bridge driving. The 48 MHz clock yields 1 MHz PWM at 8-bit resolution or 200 kHz at 10-bit, while SERCOM channels encode quadrature feedback from incremental encoders. The 105C industrial rating supports co-location with motor drivers on the same PCB in appliance-class designs.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAMD20E16A-ANT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAMD20E15A-AN | ATSAMD20E15B-AUT | ATSAMD20E14A-AN | ATSAMD20E14B-AUT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| 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 |
| Core | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ | ARM Cortex-M0+ |
| Maximum Clock Frequency | 48 MHz | 48 MHz | 48 MHz | 48 MHz | 48 MHz |
| Flash Memory | 64 KB | 32 KB (-50%) | 32 KB (-50%) | 16 KB (-75%) | 16 KB (-75%) |
| SRAM | 8 KB | 4 KB (-50%) | 4 KB (-50%) | 2 KB (-75%) | 2 KB (-75%) |
| 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 |
| Silicon Revision | Revision A | Revision A | Revision B | Revision A | Revision B |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
اہم امتیازی خصوصیات
- Highest Flash density in SAMD20E TQFP-32 family (بمقابلہATSAMD20E15A-AN)
- Revision A silicon vs Revision B revision-controlled migration path (بمقابلہATSAMD20E15B-AUT)
- 64 KB Flash at SAMD20 family cost point (بمقابلہATSAMD20E14A-AN)
ڈیزائن نوٹس
The VDDCORE pin is the output of the internal 1.2 V regulator and requires a 1 uF X7R ceramic plus a 100 nF X7R ceramic in parallel, both placed within 2 mm of the pin. Estimated ESR budget for stability: total loop ESR below 50 milliohm at DC. Insufficient decoupling causes internal regulator oscillation and brown-out resets - the most common SAMD20 board bring-up issue.
Route SWDIO and SWDCLK as a matched pair with no stubs and keep total length under 50 mm to maintain debug reliability at 5 MHz SWD clock. Place a 100 nF decoupling capacitor on each VDDIO pin within 5 mm. Keep the 32 kHz crystal traces short and guarded with ground to avoid injecting jitter into the DFLL48M closed loop.
Do not leave the RESET pin floating; pull it up to VDDIO via a 10 kohm resistor and add a 1 nF cap if the cable length to the host programmer exceeds 50 mm. Do not exceed 3.63 V on any I/O pin - the SAMD20 is NOT 5 V tolerant on PA00-PA31. Programming must use SWD (not JTAG) since the Cortex-M0+ does not include a JTAG TAP.
Estimated: at full 48 MHz CPU activity with all peripherals enabled, the SAMD20E16A-ANT draws approximately 8 mA from VDDIO at 3.3 V - about 26 mW of dissipation. The TQFP-32 package has a typical theta_JA of 65 C/W on a 2-layer JEDEC board, producing a 1.7 C rise above ambient - well within the 105C industrial limit. For sealed enclosures without airflow, verify with a thermocouple measurement on a real prototype.
When using the SERCOM in I2C fast-mode (400 kHz) or fast-mode plus (1 MHz), place 4.7 kohm pull-ups (fast-mode) or 1 kohm pull-ups (FM+) on SDA/SCL within 50 mm of the MCU. For SPI at 24 MHz or above, place a 33 ohm series resistor at the SAMD20 driving pin to dampen reflections on long traces.
تعمیل کی معلومات
RoHS-compliant matte-Tin finish and green molding compound indicated by 'NT' suffix in Microchip ordering code. Industrial operating temperature -40C to +105C. AEC-Q100 not applicable for this consumer/industrial-grade part.
