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ATSAM4S4AA-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 48QFN
- Series：SAM4S
- Mfr：Microchip Technology
- Package：Tray
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：120MHz
- Connectivity：I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, POR, PWM, WDT
- Number of I/O：34
- Program Memory Size：256KB (256K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：64K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 8x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-QFN (7x7)
- Package / Case：48-VFQFN Exposed Pad
- Grade：-
- Qualification：-
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Overview
The ATSAM4S4AA-MU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at a maximum frequency of 120 MHz. It integrates 256 KB of Flash memory and 64 KB of SRAM within a 48-pin QFN package. The device supports a supply voltage range of 1.62 V to 3.6 V and operates across an industrial temperature range of -40°C to +85°C.
Feature Summary
- Integrates an ARM Cortex-M4 processor with hardware floating-point unit for high-performance signal processing.
- Includes a multi-layer AHB bus matrix and up to 21 DMA channels to support high data rate communication.
- Features integrated hardware code protection mechanisms including IP protection and secure chip erase capabilities.
- Provides native support for Microchip QTouch capacitive touch technology for user interface implementation.
Applications
- Industrial control systems
- Medical devices
- Consumer goods and toys
- Metering applications
Procurement Notes
Verify that the specific ordering suffix matches the required package type and temperature rating. Confirm RoHS compliance status and ensure the component source is authorized to avoid counterfeit risks. Check for any recent Product Change Notifications regarding assembly location or marking changes.
Selection Notes
Select this part when a balance of moderate memory density and high processing speed is required in a compact footprint. Consider pin-to-pin compatibility with SAM4N, SAM3S, and SAM7S series if migrating from legacy designs. Evaluate power consumption requirements against the dynamic and standby mode specifications.
Part Context
This component belongs to the SAM4S family of microcontrollers, which are designed to offer scalable performance and power efficiency. The series provides rich peripheral sets for connectivity and system control, supporting various development tools and software frameworks for rapid prototyping.
Replacement Considerations
ATSAM4S4AA-AU (48-pin LQFP variant)
FAQ
Does the ATSAM4S4AA-MU include cache memory?
No, the ATSAM4S4AA-MU does not include cache memory. Cache options are available in higher-density variants such as the ATSAM4SD and ATSAM4SA series.
What is the maximum operating frequency of this MCU?
The ATSAM4S4AA-MU operates at a maximum frequency of 120 MHz.
