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Microchip SAM G55 ARM Cortex-M4 Microcontroller 120MHz 512kB Flash 64-Pin LQFP ATSAMG55J19A-AU
Specifications
| Country of Origin | Taiwan |
|---|---|
| Brand | Microchip |
| Height | 0.85mm |
| Length | 7.5mm |
| Model | ATSAMG55J19A-AU |
| Width | 7.5mm |
| Mount Type | Surface |
| Series | SAM G55 |
| Maximum Operating Temperature | 85°C |
| Note | 1. 120MHz with VDDCOREXT120 or with VDDCORE trimmed by regulator |
| Package Type | LQFP |
| Minimum Operating Temperature | -40°C |
| Ram size | 176kB |
| Pin Count | 64 |
| Automotive Standard | AEC-Q100 |
| Maximum Supply Voltage | 3.6V |
| Minimum Supply Voltage | 1.62V |
| Device Core | ARM Cortex M4 |
| Program Memory Size | 512kB |
| Maximum Clock Frequency | 120MHz |
| Number of Programmable I/Os | 32 |
| Number of Timers | 2 |
| Instruction Set Architecture | Harvard |
| ADCs | 8 x 12 Bit |
| Program Memory Type | FLASH |
Key Features
- 32-bit ARM Cortex-M4 microcontroller for advanced real-time processing.
- 120MHz maximum clock frequency enables high-speed data handling.
- 512kB embedded Flash memory and 176kB SRAM for robust storage.
- Surface mount 64-Pin LQFP package for efficient PCB integration.
- 32 programmable I/O channels, ideal for interfacing multiple peripherals.
- Eight 12-bit ADCs for accurate analog signal acquisition.
- Wide operating voltage range from 1.62V to 3.6V enhances flexibility.
- Compliant with AEC-Q100 automotive standard for reliability.
Product Description
Microchip ATSAMG55J19A-AU is a high-performance 32-bit ARM Cortex-M4 microcontroller designed for demanding industrial, automotive, and embedded computing applications. Operating at up to 120MHz, it provides powerful computing capabilities for real-time control, signal processing, and complex embedded systems.
Equipped with 512kB of embedded Flash and 176kB SRAM, the device offers ample storage for firmware and user programs without compromising speed. The Harvard instruction set architecture supports efficient parallel processing, while the Cortex-M4 core integrates a dedicated Floating Point Unit (FPU) for math-intensive routines and DSP instructions.
The microcontroller is housed in a 64-Pin LQFP package, supporting surface mount installations for optimized PCB layouts. Its extensive I/O capabilities include 32 programmable channels, allowing engineers to interface a variety of sensors, actuators, and peripherals. Eight integrated 12-bit ADCs provide precise analog signal conversion - ideal for industrial automation, instrument measurement, and environmental monitoring.
With an operating voltage range from 1.62V to 3.6V and wide temperature tolerance from -40°C to 85°C, the SAM G55 is suitable for harsh industrial and automotive environments. It is compliant with the AEC-Q100 automotive standard, further validating its reliability in mission-critical applications.
The microcontroller features dual timers, multiple DMA channels, and up to 120MHz zero-wait state execution, enabling fast response and efficient data handling. Additional specifications include Harvard architecture, integrated DSP instructions, and FLASH program memory type. The device is manufactured in Taiwan and is available in tray packaging suitable for volume production.
This Microchip microcontroller is used in diverse sectors, including industrial automation, smart controls, laboratory instrumentation, automotive electronics, robotics, and IoT systems. Browse more Microchip Microcontrollers, ARM Cortex devices, and embedded solutions within EnvMart categories.
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Frequently Asked Questions
The maximum clock frequency of this microcontroller is 120MHz.
It has a program memory size of 512kB embedded Flash memory.
The operating voltage range is from 1.62V to 3.6V.
This model features 32 programmable I/O channels.
It is housed in a 64-Pin LQFP package, suitable for surface mount installations.
It operates within a temperature range of -40°C to 85°C.
There are eight integrated 12-bit ADCs for accurate analog signal acquisition.
It is compliant with the AEC-Q100 automotive standard.
The RAM size of this microcontroller is 176kB.
The height of the ATSAMG55J19A-AU is 0.85mm.
It is based on the ARM Cortex-M4 core architecture.
This microcontroller includes two timers.
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