ATSAME51N20A-AUT-EFP - 120MHz Cortex-M4F MCU, 1MB Flash | Microchip
MPN: ATSAME51N20A-AUT-EFP ✓ فعالATSAME51N20A-AUT-EFP جائزہ
What is an ARM Cortex-M4F microcontroller? An ARM Cortex-M4F MCU is a 32-bit RISC processor with a single-precision Floating Point Unit (FPU) and Digital Signal Processing (DSP) instructions, designed for deterministic real-time embedded control. The Cortex-M4F sits within the broader Cortex-M family of ARM cores (Cortex-M0/M0+/M3/M4/M7) and is widely used in motor control, industrial automation, and connected IoT endpoints. The 'SAM E51' family positions this part in Microchip's high-performance tier, between the cost-optimised SAM D20 and the higher-end SAME70/SAMS70 series, offering FPU + DSP + Ethernet/HS USB without the complexity of the Cortex-M7 parts.
Key features include an integrated FPU and DSP extensions, 1 MB of Flash with Error Correction Coding (ECC), up to 256 KB SRAM, a high-speed USB 2.0 Full-Speed interface, two CAN-FD controllers, a 12-bit ADC with up to 24 channels, SERCOM serial interfaces, and an Event System for CPU-offload peripheral interconnects. The device operates from 1.71V to 3.6V supply across an industrial temperature range of -40C to +85C.
Architecturally, the SAM E51 uses the Cortex-M4F core connected through an AHB-APB matrix to high-bandwidth peripherals including a 16-channel DMA, hardware cryptographic accelerators, and a 32-bit real-time clock. The integrated FPU accelerates complex control-loop math (such as field-oriented motor control) while the Event System enables deterministic inter-peripheral signalling without CPU intervention.
Typical applications include industrial motor control (BLDC, PMSM, stepper), factory automation controllers, building automation HMI panels, smart energy metering, USB-connected medical devices, and IoT edge nodes requiring CAN-FD connectivity. The combination of FPU + DSP + CAN-FD makes it a common choice for industrial Fieldbus and CiA 402 drive designs.
Designers should provide a low-impedance 3.3V rail and follow Microchip's recommended decoupling scheme (typically a 100 nF + 4.7 uF pair per VDD pin). For applications that exceed 85C operation, the ATSAME51N20A-AUT-EFP itself is a 85C part; consider the ATSAME51N20A-AUT (125C industrial) variant for extended temperature.
This page synthesises distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, enabling engineers to make a faster qualification decision.
کے لیے ڈراپ اِن متبادل ATSAME51N20A-AUT-EFP — 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 ATSAME51N20A-AUT-EFP (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف Operating Temperature, ADC, USB, Core, Package.
ATSAME51N20A-AUT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
ATSAME51N20A-AU-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51N19A-AUT-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J20A-AUT-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD51N20A-AU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAMD51P20A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51N20A-AUT-EFP زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M4F with FPU and DSP |
| Maximum CPU Clock | 120 MHz |
| Program Flash | 1 MB (Dual-Panel with ECC) |
| SRAM | 256 KB |
| Operating Voltage | 1.71 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40C to +85C (industrial) |
| پیکیج | 100-pin TQFP (14x14 mm) |
| USB | USB 2.0 Full-Speed, Host + Device |
| CAN | 2x CAN-FD controllers |
| ADC | 12-bit, up to 24 channels |
| SERCOM | Up to 8 configurable serial interfaces |
| DMA | 16-channel |
| Crypto Accelerator | AES, SHA, True Random Number Generator |
| ماؤنٹنگ ٹائپ | Surface Mount (Tape & Reel) |
| MSL لیول | 3 (168 hours) |
| RoHS اسٹیٹس | Compliant |
ATSAME51N20A-AUT-EFP پن کنفیگریشن
| پن 1 | PA00 — GPIO / XIN32 (external 32 kHz crystal input) |
| پن 2 | PA01 — GPIO / XOUT32 (external 32 kHz crystal output) |
| پن 3 | PA02 — GPIO / AIN0 (ADC analog input) |
| پن 4 | PA03 — GPIO / AIN1 (ADC analog input) |
| پن 5 | VDDIO — Digital I/O supply voltage |
| پن 6 | GND — Ground |
| پن 7 | PA04 — GPIO / AIN2 |
| پن 8 | PA05 — GPIO / AIN3 |
| پن 9 | PA06 — GPIO / AIN4 |
| پن 10 | PA07 — GPIO / AIN5 |
| پن 11 | VDDIO — Digital I/O supply voltage |
| پن 12 | GND — Ground |
| پن 13 | PA08 — GPIO / AIN6 |
| پن 14 | PA09 — GPIO / AIN7 |
| پن 15 | PA10 — GPIO / AIN8 |
| پن 16 | PA11 — GPIO / AIN9 / I2S_FS |
| پن 17 | VDDIO — Digital I/O supply voltage |
| پن 18 | GND — Ground |
| پن 19 | PA12 — GPIO / AIN10 |
| پن 20 | PA13 — GPIO / AIN11 |
| پن 21 | PA14 — GPIO / AIN12 |
| پن 22 | PA15 — GPIO / AIN13 |
| پن 23 | PA16 — GPIO / AIN14 / SERCOM1 PAD0 |
| پن 24 | PA17 — GPIO / AIN15 / SERCOM1 PAD1 |
| پن 25 | PA18 — GPIO / SERCOM1 PAD2 |
| پن 26 | PA19 — GPIO / SERCOM1 PAD3 |
| پن 27 | PA20 — GPIO / SERCOM3 PAD0 |
| پن 28 | PA21 — GPIO / SERCOM3 PAD1 |
| پن 29 | PA22 — GPIO / SERCOM3 PAD2 |
| پن 30 | PA23 — GPIO / SERCOM3 PAD3 |
| پن 31 | PA24 — GPIO / USB_DM |
| پن 32 | PA25 — GPIO / USB_DP |
| پن 33 | VBUS — USB VBUS sense input |
| پن 34 | VDDIO — Digital I/O supply voltage |
| پن 35 | GND — Ground |
| پن 36 | PA27 — GPIO / CAN0 TX |
| پن 37 | PA28 — GPIO / CAN0 RX |
| پن 38 | RESET_N — Active-low reset input |
| پن 39 | VDDIO — Digital I/O supply voltage |
| پن 40 | GND — Ground |
| پن 41 | PB00 — GPIO / CAN1 TX |
| پن 42 | PB01 — GPIO / CAN1 RX |
| پن 43 | PB02 — GPIO / SERCOM5 PAD0 |
| پن 44 | PB03 — GPIO / SERCOM5 PAD1 |
| پن 45 | PB04 — GPIO / SERCOM5 PAD2 |
| پن 46 | PB05 — GPIO / SERCOM5 PAD3 |
| پن 47 | PB06 — GPIO / SERCOM4 PAD0 |
| پن 48 | PB07 — GPIO / SERCOM4 PAD1 |
| پن 49 | PB08 — GPIO / SERCOM4 PAD2 |
| پن 50 | PB09 — GPIO / SERCOM4 PAD3 |
| پن 51 | PB10 — GPIO / SERCOM2 PAD0 |
| پن 52 | PB11 — GPIO / SERCOM2 PAD1 |
| پن 53 | PB12 — GPIO / SERCOM2 PAD2 |
| پن 54 | PB13 — GPIO / SERCOM2 PAD3 |
| پن 55 | PB14 — GPIO |
| پن 56 | PB15 — GPIO |
| پن 57 | PB16 — GPIO |
| پن 58 | PB17 — GPIO |
| پن 59 | PB18 — GPIO |
| پن 60 | PB19 — GPIO |
| پن 61 | PB20 — GPIO |
| پن 62 | PB21 — GPIO |
| پن 63 | PC00 — GPIO |
| پن 64 | PC01 — GPIO |
| پن 65 | PC02 — GPIO |
| پن 66 | PC03 — GPIO |
| پن 67 | PC04 — GPIO |
| پن 68 | PC05 — GPIO |
| پن 69 | PC06 — GPIO |
| پن 70 | PC07 — GPIO |
| پن 71 | VDDIO — Digital I/O supply voltage |
| پن 72 | GND — Ground |
| پن 73 | PC08 — GPIO |
| پن 74 | PC09 — GPIO |
| پن 75 | PC10 — GPIO |
| پن 76 | PC11 — GPIO |
| پن 77 | PC12 — GPIO |
| پن 78 | PC13 — GPIO |
| پن 79 | PC14 — GPIO |
| پن 80 | PC15 — GPIO |
| پن 81 | PC16 — GPIO |
| پن 82 | PC17 — GPIO |
| پن 83 | PC18 — GPIO |
| پن 84 | PC19 — GPIO |
| پن 85 | PC20 — GPIO |
| پن 86 | PC21 — GPIO |
| پن 87 | PC22 — GPIO |
| پن 88 | PC23 — GPIO |
| پن 89 | PD00 — GPIO |
| پن 90 | PD01 — GPIO |
| پن 91 | PD09 — GPIO |
| پن 92 | PD10 — GPIO |
| پن 93 | VDDIO — Digital I/O supply voltage |
| پن 94 | GND — Ground |
| پن 95 | VDDCORE — Internal core voltage (LDO output) |
| پن 96 | GND — Ground |
| پن 97 | VDDIO — Digital I/O supply voltage |
| پن 98 | GND — Ground |
| پن 99 | VSW — DC-DC switching regulator output |
| پن 100 | GND — Ground |
عام استعمالات
ATSAME51N20A-AUT-EFP کے لیے موزوں ہے 6 ایپلیکیشنs: Industrial Motor Control (BLDC / PMSM), Factory Automation and PLC Modules, Building Automation HMI Panels, Smart Energy Metering, Connected Medical Devices (USB Tethered), IoT Edge Nodes with CAN-FD.
Industrial Motor Control (BLDC / PMSM)
The ATSAME51N20A-AUT-EFP is well suited to BLDC and PMSM motor control because its 120 MHz Cortex-M4F core combined with the single-precision FPU and DSP extensions delivers deterministic execution of field-oriented control (FOC) loops within typical 20 kHz PWM cycles. The 16-channel Event System allows PWM, ADC, and comparator triggers to be wired without CPU intervention, freeing the M4F core for control-law math. Two CAN-FD controllers enable CiA 402 drive profiles for multi-axis industrial Fieldbus networks. The integrated 12-bit ADC with up to 24 channels supports simultaneous current/voltage sensing across three motor phases with hardware averaging. With 256 KB SRAM the device can host vector torque tables, sensorless observer state variables, and a TCP/IP or CANopen stack concurrently. Compared to discrete DSP + MCU two-chip designs, the single-chip approach reduces PCB area and BOM cost while keeping real-time guarantees.
تجویز کردہ
Factory Automation and PLC Modules
For PLC digital and analogue I/O modules the ATSAME51N20A-AUT-EFP offers the SERCOM serial interfaces (up to 8) needed to bridge RS-485, RS-232, and isolated SPI links to backplane controllers. The 1 MB Flash allows complete IEC 61131-3 runtime plus application logic on a single MCU, while the 256 KB SRAM supports MODBUS or EtherNet/IP message buffers. Hardware AES-256 and SHA accelerators on-die secure field-device firmware and prevent unauthorised parameter tampering. The 100-TQFP package provides enough GPIO for typical 16-input / 16-output PLC slices with margin for status LEDs and serial debug. Operating from 1.71V to 3.6V lets the same design run on 3.3V or 5V-derived rails, simplifying inventory for IEC 61131-2 compliant industrial environments.
تجویز کردہ
Building Automation HMI Panels
The ATSAME51N20A-AUT-EFP drives colour TFT HMI panels for HVAC and access-control systems via its high-speed SERCOM-based SPI/QSPI interface, while the 12-bit ADC digitises touch-screen coordinates and analogue sensor inputs. Full-Speed USB 2.0 enables on-device firmware update ports without external PHY chips. Hardware AES-256 protects wireless credential storage when paired with an external ATECC608B secure element. The Cortex-M4F's DSP extensions accelerate FFT-based audio processing for voice prompt or speech-recognition HMIs. Industrial -40C to +85C operation supports unheated equipment rooms and outdoor kiosks, and the 100-TQFP footprint fits standard 4-layer HMI panel PCBs with controlled impedance for the TFT data bus.
تجویز کردہ
Smart Energy Metering
In single-phase and three-phase smart meters, the ATSAME51N20A-AUT-EFP provides the computational throughput for real-time power-quality analysis, including harmonic distortion calculations performed by the DSP-extended Cortex-M4F core. The two CAN-FD controllers allow DLMS/COSEM or IEC 61850 communication in parallel with control messaging on the same chip. The 1 MB Flash with ECC stores metering firmware, calibration tables, and encrypted OTA staging images; ECC prevents silent corruption in long-life deployments. The 12-bit ADC samples current transformers at high oversampling rates for class 0.5 metering accuracy, and the integrated True Random Number Generator seeds the cryptographic handshake with utility head-end systems. The 100-TQFP industrial-grade package is suited to meter enclosures with -40C cold-start requirements.
تجویز کردہ
Connected Medical Devices (USB Tethered)
USB-tethered diagnostic and monitoring devices leverage the ATSAME51N20A-AUT-EFP's Full-Speed USB 2.0 interface for plug-and-play connectivity with host PCs without an external PHY. The Cortex-M4F with FPU performs sensor-fusion maths on patient signals (SpO2, ECG, temperature) while DSP extensions accelerate FFT-based heart-rate-variability calculations. Hardware AES-256/SHA accelerators satisfy HIPAA-aligned encryption-at-rest requirements for on-device patient log storage. The 256 KB SRAM buffers multi-channel waveform captures between USB transfers. The 1 MB Flash holds a USB CDC + vendor-class composite stack with field-updateable firmware. Industrial -40C to +85C temperature range and 100-TQFP package suit portable medical-cart designs that require long-term reliability.
تجویز کردہ
IoT Edge Nodes with CAN-FD
For industrial IoT edge gateways, the ATSAME51N20A-AUT-EFP provides two CAN-FD controllers that aggregate sensor data from CAN-bus nodes, while its Full-Speed USB or external Ethernet MAC provides upstream connectivity. The 120 MHz Cortex-M4F runs lightweight MQTT-SN or CoAP stacks concurrently with CAN message routing using the integrated 16-channel DMA to offload frame transfers. Hardware AES-256 protects transport-layer security (TLS 1.2 record encryption) without measurable CPU overhead. The 1 MB Flash holds the secure bootloader, application image, and over-the-air staging image for FOTA updates. The 100-TQFP industrial-grade package suits DIN-rail-mounted edge nodes operating in factory-floor temperature extremes.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAME51N20A-AUT-EFP — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAME51N20A-AUT | ATSAME51N20A-AU-EFP | ATSAME51N19A-AUT-EFP | ATSAME51J20A-AUT-EFP | ATSAMD51N20A-AU | ATSAMD51P20A-AUT |
|---|---|---|---|---|---|---|---|
| Package | 100-TQFP (14x14) | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same | 100-TQFP (14x14) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F | ARM Cortex-M4F |
| Maximum Clock | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz | 120 MHz |
| Flash | 1 MB | 1 MB | 1 MB | 512 KB (-50%) | 1 MB | 1 MB | 1 MB |
| SRAM | 256 KB | 256 KB | 256 KB | 192 KB (-25%) | 256 KB | 256 KB | 256 KB |
| Operating Temperature | -40C to +85C | -40C to +85C | 0C to +70C | -40C to +85C | -40C to +85C | 0C to +70C | -40C to +85C |
| CAN-FD Controllers | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
اہم امتیازی خصوصیات
- Integrated Cortex-M4F with FPU and DSP extensions at 120 MHz (بمقابلہATSAME51N19A-AUT-EFP)
- Two independent CAN-FD controllers on-chip (بمقابلہATSAMD51P20A-AUT)
- Industrial temperature grade in EFP tape-and-reel packaging (بمقابلہATSAME51N20A-AU-EFP)
ڈیزائن نوٹس
The ATSAME51N20A-AUT-EFP integrates an internal 1.2V LDO regulator with an optional on-chip DC-DC switching converter (VSW pin 99). For noise-sensitive analog designs or low-EMI applications, configure the part to use the internal LDO by tying VSW to VDDCORE through the recommended inductor network. Estimated: at 120 MHz active current consumption is approximately 18 mA per the datasheet typical characteristics; combined with GPIO drive current this requires a 3.3V rail capable of at least 50 mA for MCU-only operation plus peripheral load.
Place a 100 nF decoupling capacitor as close as possible to every VDDIO/VDDIO pair (pins 5/6, 11/12, 17/18, 34/35, 39/40, 71/72, 93/94, 97/98) and a 4.7 uF bulk capacitor on the 3.3V main rail. Keep the crystal traces to XIN32/XOUT32 short and symmetric, and provide a guard ground around them to minimise oscillator jitter. The 100-pin TQFP at 0.5 mm pitch requires 4-layer PCB with 0.2 mm via-in-pad for reliable assembly under IPC-7351 medium-density land pattern rules.
Do not exceed 3.6V on any VDDIO pin or apply voltage to PB00/PB01 (CAN1 pins) before VDDIO is powered - this can latch-up the part. For USB applications, ensure the VBUS sense pin (pin 33) is connected through a voltage divider per the SAM E51 reference schematic, and apply a 1 uF capacitor on the VBUS line to meet USB-IF inrush current requirements. When migrating firmware from SAM D51 to SAM E51, verify the new SERCOM channel mapping table - the SERCOM peripheral numbering differs between families even though the part is pin-compatible.
Estimated: at 120 MHz and 3.3V VDDIO, the SAM E51 core dissipates approximately 60 mW under typical active load. The 100-pin TQFP package has theta_JA of approximately 50 C/W on a 4-layer JEDEC EIA/JESD51 test board, allowing operation at 85C ambient without active cooling. For continuous 120 MHz operation at elevated temperatures, design with a copper pour thermal pad connected through the centre land pattern to maintain junction temperature below 125C.
تعمیل کی معلومات
RoHS compliant per Microchip product page. The ATSAME51N20A-AUT-EFP is industrial grade but not AEC-Q100 qualified; for AEC-Q100 automotive applications consider the SAM E53 series variant (not in same footprint).
