In industrial automation, smart grid infrastructure, and mission-critical embedded systems, the selection of a microcontroller (MCU) hinges on three non-negotiable pillars: real-time processing power, industrial-grade environmental resilience, and hardware-enhanced security. Microchip’s ATSAMG55J19B-MU and its extended-temperature variant ATSAMG55J19B-MUT address these needs seamlessly, leveraging a 120MHz ARM Cortex-M4 core with DSP and FPU capabilities to deliver performance, durability, and data protection for harsh industrial environments. For engineers and procurement teams seeking transparent specifications, competitive pricing, and reliable stock, FR4PCB.TECH serves as a trusted supplier—offering large in-stock quantities of ATSAMG55J19B-MU and ATSAMG55J19B-MUT with immediate shipment and tiered bulk pricing. This guide breaks down the MCU’s datasheet-critical specifications, pricing structure, real-world industrial applications, and supply chain advantages, while answering key technical and procurement questions to streamline project planning.
The
ATSAMG55J19B-MU 120MHz Cortex-M4 MCU datasheet (Microchip DS60001507G) outlines a feature set optimized for industrial reliability and performance, with key parameters including:
- CPU Core: 120MHz ARM Cortex-M4 with single-precision floating-point unit (FPU) and DSP instruction set. Delivers 150 DMIPS (Dhrystone 2.1) and 260 CoreMark scores—sufficient for real-time tasks like closed-loop PID motor control (latency <10µs) and multi-channel sensor data fusion (e.g., 8x 16-bit ADC inputs processed simultaneously).
- Memory Configuration: 512KB of in-system programmable flash memory (with 100,000 erase/write cycles) and 128KB of SRAM. The flash supports secure firmware updates (SFU) via hardware encryption, while the SRAM includes ECC (Error-Correcting Code) to prevent data corruption in high-noise industrial environments (e.g., near heavy machinery).
- Analog Peripherals: 16-bit ADC (2.5MSPS sampling rate, 16 channels) with differential input support for precision sensor measurements (e.g., pressure, temperature, current), 2x 12-bit DACs for analog output (e.g., valve control), and 4x analog comparators for threshold detection (e.g., overcurrent alerts).
- Communication Interfaces: 2x Ethernet MAC (10/100Mbps) with IEEE 1588 PTP (Precision Time Protocol) for synchronized industrial networking, 4x UART/SPI/I2C ports (supports Modbus RTU/TCP, PROFINET), and 1x CAN FD controller for automotive/industrial bus systems.
- Timers & PWM: 8x 32-bit timers and 6x PWM channels (up to 1MHz) for motor control (e.g., BLDC motor commutation) and power management (e.g., switching regulator control).
- Hardware Security: AES-256 encryption, SHA-256 hashing, and a true random number generator (TRNG) for secure data transmission (e.g., smart grid meter data) and firmware authentication. Supports Microchip’s TrustZone-M for isolating secure/non-secure code execution.
- Temperature Ranges:
- ATSAMG55J19B-MU: 0°C to +85°C (standard industrial range) for indoor applications (e.g., factory control panels).
- ATSAMG55J19B-MUT -40°C~125°C MCU: -40°C to +125°C (extended range) for harsh environments (e.g., automotive under-hood, outdoor smart grid cabinets).
- Reliability Standards: Complies with IEC 60068-2-6 (vibration: 10–2000Hz, 10G acceleration) and IEC 60068-2-27 (shock: 50G, 11ms duration), ensuring stability in high-vibration industrial settings.
FR4PCB.TECH offers transparent, competitive pricing for ATSAMG55J19B-MU and ATSAMG55J19B-MUT, with tiered rates to accommodate prototyping, small-batch testing, and large-scale production:
Key pricing advantages:
- Cost Savings for Scale: For a production run of 10,000 units, the ATSAMG55J19B-MU Bulk Industrial MCU delivers $32,000 in savings compared to small-batch pricing ($3.30 vs. $8.50 per unit).
- Price Lock Guarantee: For long-term projects (6+ months), FR4PCB.TECH offers price locking to shield customers from market fluctuations (e.g., semiconductor raw material cost spikes), ensuring budget stability for industrial OEMs.
- No Hidden Fees: Pricing includes standard packaging (tray/tape & reel) and compliance documentation (RoHS, REACH, Certificate of Conformance), with no additional charges for small customizations (e.g., reel labeling).
- PLC (Programmable Logic Controller) Modules: Used in mid-range PLCs for factory assembly lines, the 120MHz Cortex-M4 processes 8+ sensor inputs and controls 6+ actuators in real time. The CAN FD interface enables communication with other PLCs, while the 16-bit ADC ensures precise control of robotic arms (position accuracy ±0.1mm).
- Electric Metering: The ATSAMG55J19B-MUT’s extended temperature range (-40°C~125°C) and AES-256 encryption make it ideal for outdoor smart meters. It measures energy consumption via 2x current sensors, encrypts data, and transmits it to the grid via Ethernet—ensuring data integrity and compliance with IEC 62056 (DLMS/COSEM) standards.
- Portable Diagnostic Equipment: The low-power mode (200µA in idle, 10µA in sleep) and FPU support enable battery-powered devices like blood pressure monitors. The ECC SRAM prevents data corruption in clinical settings, while the 16-bit ADC ensures accurate physiological measurements (±0.5% error).
- Under-Hood Control Units: The ATSAMG55J19B-MUT powers engine coolant temperature controllers and brake pressure sensors, withstanding -40°C cold starts and +125°C engine bay heat. The CAN FD interface integrates with the vehicle’s CAN bus, enabling real-time diagnostic reporting.
The only distinction is the operating temperature range:
- ATSAMG55J19B-MU: 0°C to +85°C (standard industrial use).
- ATSAMG55J19B-MUT: -40°C to +125°C (extended range for harsh environments).
All other specs (CPU speed, memory, peripherals) are identical, enabling design reuse across projects.
They support Microchip’s MPLAB X IDE (v6.2+), MPLAB XC32 Compiler (free for 60-day trials), and Atmel-ICE debugger/programmer. FR4PCB.TECH provides free firmware templates (e.g., Ethernet communication, ADC sampling) and datasheet extracts to accelerate development.
FR4PCB.TECH maintains 15,000+ units of ATSAMG55J19B-MU and 10,000+ units of ATSAMG55J19B-MUT in Shenzhen warehouses. Stock levels are updated hourly on the product page; for bulk orders (5,000+ units), contact
info@fr4pcb.tech to reserve inventory.
Yes—via the integrated secure firmware update (SFU) module. The AES-256 encryption ensures OTA updates are tamper-proof, while the flash memory’s dual-bank design enables updates without interrupting critical operations (e.g., smart grid metering).
All units come with a 2-year warranty against defects in materials or workmanship. For bulk orders, FR4PCB.TECH offers a "defect replacement guarantee": defective units are replaced free of charge, with shipping covered by FR4PCB.TECH.
The ATSAMG55J19B-MU and ATSAMG55J19B-MUT represent Microchip’s commitment to industrial-grade reliability, combining a high-performance Cortex-M4 core, robust security features, and wide temperature ranges to meet the demands of automation, smart grid, and medical applications. FR4PCB.TECH enhances their value with transparent tiered pricing (down to $5.30/unit for 5K+ orders), large in-stock quantities, and immediate global shipping—eliminating supply chain risks for time-sensitive industrial projects.
Whether you require standard-temperature MCUs for indoor control panels or extended-temperature variants for harsh outdoor environments, FR4PCB.TECH’s expertise and support ensure a seamless procurement experience.
For custom quotes, sample requests, or technical consultations to integrate
ATSAMG55J19B-MU into your industrial design, contact
FR4PCB.TECH via
info@fr4pcb.tech or visit the product page linked in the core keywords.
100% original genuine product, data sheet can be downloaded from the official website:
https://www.microchip.com/en-us/product/atsamg55j19b
