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ATSAM4S2AA-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB 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：128KB (128K 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 ATSAM4S2AA-MU is a 32-bit microcontroller from the SAM4S series, built on an ARM Cortex-M4 core operating at 120 MHz. It integrates 128 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 a temperature range of -40°C to +85°C.
Feature Summary
- Built-in hardware code protection features including IP access prevention and secure chip erase capabilities.
- Native support for Microchip QTouch capacitive touch technology for implementing buttons, sliders, and wheels.
- Integrated multi-layer AHB bus matrix with 21-channel DMA for high data rate communication.
Applications
- Consumer goods and toys
- Industrial control systems
- Metering devices
- Medical equipment
- Test and measurement instruments
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm package type and temperature grade. Confirm that the 'MU' suffix corresponds to the 48-pin QFN package as listed in the manufacturer's ordering information table. Ensure compatibility with required development tools such as Atmel Studio IDE.
Selection Notes
Select this component when a 48-pin surface-mount solution is required for the SAM4S family. It provides pin-to-pin compatibility with SAM4N, SAM3S, SAM3N, and SAM7S devices to facilitate migration. Consider the 120 MHz performance and low power consumption characteristics for resource-constrained embedded applications.
Part Context
This part belongs to the SAM4S microcontroller family, which extends the portfolio with increased performance and power efficiency. The series offers scalable memory densities up to 2 MB Flash and 160 KB SRAM. It is designed for applications requiring rich peripheral sets for connectivity and analog interfacing.
Replacement Considerations
ATSAM4S2AA-AU (48-pin LQFP variant)
FAQ
Does the ATSAM4S2AA-MU support capacitive touch interfaces?
Yes, the SAM4S series provides native support for Microchip's QTouch technology, allowing for the implementation of buttons, sliders, and wheels.
What is the maximum operating frequency of this MCU?
The device operates at a maximum frequency of 120 MHz, supported by a Flash read accelerator and optional cache memory.
