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ATSAM4S2AB-AN
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48LQFP
- 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 ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：48-LQFP (7x7)
- Package / Case：48-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAM4S2AB-AN is a 32-bit microcontroller from the Microchip SAM4S series, built on the ARM Cortex-M4 core. It features 128KB of Flash memory and 64KB of SRAM, operating at a maximum frequency of 120MHz. The device supports a supply voltage range of 1.62V to 3.6V and includes an internal oscillator. It offers 79 I/O pins and integrates peripherals such as USB, SPI, I2C, USART, and ADC. The component is housed in a 100-LQFP package and operates within a temperature range of -40°C to +105°C.
Feature Summary
- High-performance processing via ARM Cortex-M4 core with hardware FPU support
- Integrated full-speed USB Device Port for communication interfaces
- Dual-bank Flash implementation with cache memory for efficient code execution
- Comprehensive peripheral set including multiple serial controllers and DMA
Applications
- Industrial control systems requiring robust processing and connectivity
- Consumer electronics utilizing USB interface capabilities
- Medical devices needing reliable operation across extended temperature ranges
- Automotive applications compatible with automotive-grade environmental standards
Procurement Notes
Verify the specific suffix 'AN' against official Microchip documentation to confirm the package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-LQFP form factor. Check for any recent Product Change Notifications regarding assembly locations or marking changes before finalizing procurement orders.
Selection Notes
Select this model when a balance of moderate memory capacity and high-speed processing is required. The 120MHz clock speed suits applications needing real-time response. Consider the 79 available I/O lines for complex peripheral integration. Verify that the 1.62V to 3.6V supply range aligns with the system power design constraints.
Part Context
This component belongs to the SAM4S family of Flash microcontrollers based on the ARM Cortex-M4 architecture. The series is designed for high-performance embedded applications, offering up to 2MB of Flash and 160KB of SRAM across various packages. The ATSAM4S2AB-AN represents a mid-range configuration within this lineup, providing essential connectivity and processing power.
Replacement Considerations
Consult the official SAM4S Series Datasheet for verified substitute part numbers. Cross-reference pinouts and electrical characteristics carefully. No direct substitutes are listed in the provided data.
