ATSAME51J20A-MUT - 120MHz Cortex-M4F MCU 1MB Flash 64-VQFN | Microchip
MPN: ATSAME51J20A-MUT ✓ فعالATSAME51J20A-MUT جائزہ
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory, data memory, and programmable I/O peripherals. The SAM E51 belongs to the broader Cortex-M4F family (ARM Cortex-M class -> 32-bit RISC microcontroller -> embedded processor -> semiconductor). It supports DSP instructions and the FPU extension, enabling floating-point math without software emulation - essential for sensor-fusion, motor-control, and signal-processing workloads that the SAM E51 specifically targets.
Key features include a 120 MHz Cortex-M4F core (135 CoreMark), 1 MB Dual-Panel Flash for live in-application updates without downtime, 256 KB SRAM, integrated USB 2.0 Full-Speed PHY, two CAN-FD controllers for high-throughput automotive/industrial networking, six SERCOM modules (USART, SPI, I2C), 12-bit 1 Msps ADC with up to 16 analog channels, 12-bit DAC, and a capacitive-touch PTC peripheral. TrustZone for ARMv8-M is not present, but a Secure Boot Loader and AES cryptographic accelerator provide tamper-resistant firmware.
The architecture combines a 4-bit front-end instruction cache with a Memory Protection Unit (MPU) and a separate bus matrix that allows concurrent CPU, DMA, and peripheral transactions. The Dual-Panel Flash layout implements two independently erasable banks, allowing firmware updates while the device continues to execute from the other bank - critical for industrial systems that cannot tolerate update downtime.
Typical applications include industrial HMI panels, motor drives (BLDC/PMSM FOC control), CAN-FD gateway nodes, USB-CDC data loggers, smart energy meters, and IoT edge devices with CAN bus connectivity. The 1 MB Flash accommodates USB-CDC stacks plus FreeRTOS or Harmony firmware, while the FPU accelerates control-loop math without integer-arithmetic overhead.
Designers must place four 100 nF decoupling capacitors close to each VDDCORE/VDDIO supply pin pair and ensure the exposed pad is soldered with at least eight thermal vias for 2 W dissipation. For CAN-FD signaling at 5 Mbit/s, add a 120 ohm termination resistor and verify ISO 11898-1 bus compliance; for USB, route D+/D- as a 90-ohm differential pair with matched length.
This page synthesizes real-time distributor pricing, same-brand SAM E51/SAM D51 drop-in alternatives, application circuits, and design notes not consolidated in any single datasheet, providing a practical cross-reference for engineers evaluating ATSAME51J20A-MUT.
کے لیے ڈراپ اِن متبادل ATSAME51J20A-MUT — 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 ATSAME51J20A-MUT (یکساں فارم فیکٹر اور فٹ پرنٹ) — میں مختلف ADC, Package, DAC, USB, CAN.
ATSAME51J19A-MUT-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J20A-MU
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J20A-AUT-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J19A-AUT-EFP
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J18A-AUT
✅ ڈراپ-اِنقیمت کے لیے رابطہ کریں
ڈیٹا شیٹ دیکھیں →ATSAME51J20A-MUT زیادہ سے زیادہ ریٹنگز اور برقی خصوصیات
| Core | ARM Cortex-M4F with FPU and DSP extensions |
| Maximum CPU Clock | 120 MHz |
| Flash Memory | 1 MB (1M x 8) Dual-Panel with ECC |
| SRAM | 256 KB |
| Operating Voltage | 1.71 V to 3.6 V |
| آپریٹنگ درجہ حرارت | -40 C to +85 C (industrial) |
| پیکیج | 64-pin VQFN (9 x 9 mm) with exposed pad |
| ماؤنٹنگ ٹائپ | Surface Mount |
| MSL لیول | 3 (168 hours) |
| USB | USB 2.0 Full-Speed Device/Host with on-chip PHY |
| CAN | 2 x CAN-FD controllers |
| SERCOM Modules | 6 (configurable USART/SPI/I2C) |
| ADC | 12-bit, 1 Msps, up to 16 channels |
| DAC | 12-bit, 1 channel |
| Crypto Accelerator | AES-256, Secure Boot Loader |
| CoreMark Score | 135 (estimated per datasheet typical) |
| RoHS اسٹیٹس | Compliant |
| Lead-Free | Yes |
ATSAME51J20A-MUT پن کنفیگریشن
| پن 1 | VDDIO — I/O supply voltage |
| پن 2 | PA00 — GPIO / XIN32 |
| پن 3 | PA01 — GPIO / XOUT32 |
| پن 4 | PA02 — GPIO / AIN0 |
| پن 5 | PA03 — GPIO / AIN1 / VREFA |
| 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 | PA08 — GPIO / AIN6 |
| پن 12 | PA09 — GPIO / AIN7 |
| پن 13 | PA10 — GPIO / AIN8 |
| پن 14 | PA11 — GPIO / AIN9 |
| پن 15 | VDDIO — I/O supply voltage |
| پن 16 | GND — Ground |
| پن 17 | PB00 — GPIO / AIN12 |
| پن 18 | PB01 — GPIO / AIN13 |
| پن 19 | PB02 — GPIO / AIN14 |
| پن 20 | PB03 — GPIO / AIN15 |
| پن 21 | PB04 — GPIO / AIN16 |
| پن 22 | PB05 — GPIO |
| پن 23 | PB06 — GPIO |
| پن 24 | VDDIO — I/O supply voltage |
| پن 25 | VDDCORE — Core supply (1.2 V LDO output) |
| پن 26 | GND — Ground |
| پن 27 | PB07 — GPIO |
| پن 28 | PB08 — GPIO |
| پن 29 | PB09 — GPIO |
| پن 30 | PB10 — GPIO |
| پن 31 | PB11 — GPIO |
| پن 32 | PB12 — GPIO |
| پن 33 | PB13 — GPIO |
| پن 34 | PB14 — GPIO |
| پن 35 | PB15 — GPIO |
| پن 36 | PA12 — GPIO / USB DP |
| پن 37 | PA13 — GPIO / USB DM |
| پن 38 | PA14 — GPIO / XIN |
| پن 39 | PA15 — GPIO / XOUT |
| پن 40 | GND — Ground |
| پن 41 | PA16 — GPIO |
| پن 42 | PA17 — GPIO |
| پن 43 | PA18 — GPIO |
| پن 44 | VDDCORE — Core supply (1.2 V LDO output) |
| پن 45 | PA19 — GPIO |
| پن 46 | PA20 — GPIO |
| پن 47 | PA21 — GPIO |
| پن 48 | VDDIO — I/O supply voltage |
| پن 49 | PA22 — GPIO |
| پن 50 | PA23 — GPIO |
| پن 51 | PA24 — GPIO |
| پن 52 | PA25 — GPIO |
| پن 53 | GND — Ground |
| پن 54 | PA27 — GPIO |
| پن 55 | PA28 — GPIO / Reset |
| پن 56 | PB16 — GPIO |
| پن 57 | PB17 — GPIO |
| پن 58 | PB18 — GPIO |
| پن 59 | PB19 — GPIO |
| پن 60 | VDDIO — I/O supply voltage |
| پن 61 | PB20 — GPIO |
| پن 62 | PB21 — GPIO |
| پن 63 | PB22 — GPIO |
| پن 64 | PB23 — GPIO |
عام استعمالات
ATSAME51J20A-MUT کے لیے موزوں ہے 7 ایپلیکیشنs: Industrial HMI Touch Panel, BLDC/PMSM Motor Drive Controller, CAN-FD Industrial Gateway, USB-CDC Data Acquisition Logger, Smart Energy Meter, IoT Edge Sensor Node with CAN, Industrial Robotic Servo Controller.
Industrial HMI Touch Panel
The ATSAME51J20A-MUT drives industrial HMI touch panels where its 120 MHz Cortex-M4F core with FPU accelerates LVGL graphics rendering and touch-coefficient calculation while leaving CPU headroom for communication stacks. The integrated PTC (Peripheral Touch Controller) supports up to 16 mutual-capacitance channels directly without external touch IC, reducing BOM. USB Full-Speed provides drag-and-drop firmware updates from a USB stick on the factory floor - critical for serviceability of installed equipment.
تجویز کردہ
BLDC/PMSM Motor Drive Controller
The ATSAME51J20A-MUT executes field-oriented control (FOC) loops for BLDC and PMSM motors at 20 kHz PWM with single-precision FPU math in under 8 microseconds - leaving headroom for current sensing, commutation, and CAN communication. The 12-bit 1 Msps ADC samples phase currents and back-EMF simultaneously, while PWM timers provide complementary outputs with programmable dead-band insertion. Hardware QEI interfaces accept ABZ encoder signals from servomotors up to 10 MHz line frequency.
تجویز کردہ
CAN-FD Industrial Gateway
Industrial CAN-FD gateways use the ATSAME51J20A-MUT to bridge legacy CAN 2.0B networks to Ethernet at line rates above 1 Mbit/s. The dual CAN-FD controllers handle simultaneous communication on two isolated buses, while the Cortex-M4F core processes CANopen or J1939 protocol stacks in real time. Dual-Panel Flash with ECC supports over-the-air firmware updates without gateway downtime, a requirement for substation and factory automation where maintenance windows are scheduled months in advance.
تجویز کردہ
USB-CDC Data Acquisition Logger
USB-CDC data loggers built around the ATSAME51J20A-MUT transmit 12-bit ADC samples at 1 Msps over USB Full-Speed to a host PC, leveraging the on-chip USB 2.0 PHY to eliminate external transceivers. The 256 KB SRAM buffers 256 ksamples before streaming - enough for 250 ms of buffered capture at full ADC rate. Dual-Panel Flash supports firmware updates from a USB host without external programmer, simplifying field service and calibration workflows.
تجویز کردہ
Smart Energy Meter
Smart electricity meters use the ATSAME51J20A-MUT for power-quality analysis where the Cortex-M4F DSP extensions run FFT-based harmonic analysis on sampled line voltage and current. The 12-bit 1 Msps ADC captures two channels simultaneously with hardware oversampling, while AES-256 acceleration secures DLMS/COSEM communication with utility backhaul systems. The -40 C to +85 C industrial temperature range and wide 1.71 V to 3.6 V supply tolerate harsh meter-base installation environments.
تجویز کردہ
IoT Edge Sensor Node with CAN
IoT edge sensor nodes aggregate CAN-bus sensor traffic and publish it via Ethernet or wireless peripherals using the ATSAME51J20A-MUT as a low-cost bridge. The Cortex-M4F DSP extensions accelerate sensor-fusion algorithms before transmission, while the six SERCOM channels accept UART, SPI, or I2C peripherals simultaneously - supporting GPS, IMU, environmental sensors, and CAN-FD in a single chip. The integrated Event System routes peripheral triggers without CPU intervention, reducing deterministic latency to under 200 ns for time-critical sensor reads.
تجویز کردہ
Industrial Robotic Servo Controller
Multi-axis robotic servo controllers pair an ATSAME51J20A-MUT with external gate drivers to coordinate 6-axis articulated robots in real time. The Cortex-M4F runs inverse-kinematics and trajectory-planning math while PWM timers generate synchronized servo pulses. Hardware QEI decoders accept 10 MHz ABZ encoder feedback from each joint, and CAN-FD streams synchronizing joint states to a centralized motion controller. Dual-Panel Flash allows field firmware updates without halting the production line.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا ATSAME51J20A-MUT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | ATSAME51J19A-MUT-EFP | ATSAME51J20A-MU | ATSAME51J20A-AUT-EFP | ATSAME51J18A-AUT | STM32F412RGT6 |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | STMicroelectronics |
| Package | 64-VQFN (9x9) | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-VQFN (9x9) - same | 64-LQFP (10x10) - cross-package |
| Core | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 120 MHz | ARM Cortex-M4F 100 MHz |
| Flash Memory | 1 MB | 512 KB | 1 MB | 1 MB | 256 KB | 1 MB |
| SRAM | 256 KB | 192 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| USB | USB 2.0 FS PHY | USB 2.0 FS PHY | USB 2.0 FS PHY | USB 2.0 FS PHY | USB 2.0 FS PHY | USB OTG FS |
| CAN | 2 x CAN-FD | 2 x CAN-FD | 2 x CAN-FD | 2 x CAN-FD | 2 x CAN-FD | 1 x CAN 2.0B |
| Operating Voltage | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.71 V to 3.6 V | 1.7 V to 3.6 V |
| Automotive Grade | No (industrial) | No (industrial) | No (industrial) | Yes (AEC-Q100) | Yes (AEC-Q100) | No (industrial) |
اہم امتیازی خصوصیات
- Dual-Panel Flash with ECC supports live firmware updates (بمقابلہSTM32F412RGT6)
- Two CAN-FD controllers versus one CAN 2.0B (بمقابلہSTM32F412RGT6)
- Larger SRAM (256 KB) than SAM E51 G/J variants (بمقابلہATSAME51J18A-AUT)
- On-chip USB 2.0 Full-Speed PHY eliminates external transceiver (بمقابلہATSAM3S4AA-AUR)
ڈیزائن نوٹس
Estimated: at 120 MHz CPU clock running FPU + USB + CAN-FD + ADC sampling at full rate, core current reaches 30-40 mA from VDDCORE. Add a 1 uF + 100 nF X7R decoupling pair on each VDDIO pin (1, 15, 24, 48, 60) and on each VDDCORE pin (25, 44) within 2 mm trace length. The internal 1.2 V LDO powering VDDCORE cannot source external loads - do not connect VDDCORE to external circuitry except decoupling.
The 64-pin VQFN (9x9) has an exposed thermal pad that must be soldered to a ground copper pour with at least eight thermal vias (0.3 mm drill, 1 mm pitch) for 2 W dissipation at industrial temperatures. Estimated: without thermal vias, theta_JA rises from approximately 30 C/W to over 60 C/W, which at 40 mA core + 30 mA IO = 168 mW total would push junction rise above 10 C - acceptable for indoor applications but not for sealed enclosures above 60 C ambient.
Route USB D+ (PA12) and D- (PA13) as a 90 ohm differential pair with matched length within 150 mil and keep total length under 50 mm. Place a 15 kohm pull-down on PA12 (D+) for full-speed device mode per USB 2.0 specification. Add an ESD protection array such as USBLC6-2SC6 near the connector - the ATSAME51J20A-MUT USB pins are not 5 V tolerant and require external protection for industrial surge environments.
Do not skip the external 32.768 kHz crystal load capacitors on PA00 (XIN32) / PA01 (XOUT32) - omitting them causes RTC drift and may prevent correct USB suspend/resume behavior. The NVMCTRL NVM-LOCK fuse bits must be cleared before the first firmware upload or the device will refuse subsequent programming. Use the Atmel Studio Device Programming or MPLAB X IDE to issue a Chip Erase before initial code load.
CAN-FD bus signaling at 5 Mbit/s requires 120 ohm termination at both ends of the bus segment; the ATSAME51J20A-MUT CAN peripheral does not include internal termination. Add a common-mode choke (e.g., DLW32MH201XK2L) for IEC 61000-4-2 ESD compliance, and verify bus timing margin with an oscilloscope on the dominant-to-recessive transition - jitter above 50 ns indicates improper termination or excessive stub length.
تعمیل کی معلومات
RoSAM compliant per Microchip product page. Industrial temperature grade (-40 C to +85 C). AEC-Q100 qualified variants available as ATSAME51J20A-AUT-EFP.
