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ATSAM4SA16BA-AN
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Product Detailed Parameters
- Description：IC MCU 32BIT 1MB FLASH 64LQFP
- 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：47
- Program Memory Size：1MB (1M x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：160K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 11x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 105°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAM4SA16BA-AN is a 32-bit microcontroller based on the ARM Cortex-M4 processor, operating at a maximum frequency of 120 MHz. It features 1 MB of embedded Flash memory and 160 KB of SRAM, supported by a 2 KB cache. The device includes an MPU, up to 79 I/O lines, and multiple communication interfaces including USB, SPI, I2C, and USART. It operates within a temperature range of -40°C to +105°C and utilizes a 64-pin LQFP package.
Feature Summary
- High-performance processing with ARM Cortex-M4 core and integrated DSP instructions
- Enhanced security through hardware code protection and memory integrity checks
- Low power efficiency with optimized standby and backup modes
- Native support for capacitive touch applications via QTouch technology
Applications
- Industrial control systems
- Medical devices
- Consumer goods and toys
- Metering equipment
- Wireless networking peripherals
Procurement Notes
Verify the specific ordering suffix 'AN' against official Microchip documentation to confirm the extended temperature range (-40°C to +105°C) and lead-free status. Ensure compatibility with existing PCB footprints for the 64-pin LQFP package. Cross-reference the datasheet revision to validate peripheral availability and electrical characteristics prior to final procurement.
Selection Notes
Select this component when high-density memory (1 MB Flash) and robust connectivity are required alongside low-power operation. The inclusion of a 2 KB cache and MPU distinguishes it from standard SAM4S variants lacking these features. Consider pin-to-pin compatibility with SAM3S and SAM7S series if migration from legacy platforms is necessary for the design.
Part Context
This part belongs to the SAM4S family of microcontrollers, which are designed for scalable performance and power efficiency. The series integrates the ARM Cortex-M4 core with rich peripheral sets for system control and analog interfacing. The ATSAM4SA16BA-AN represents a specific configuration within this portfolio, balancing memory capacity with industrial-grade environmental specifications.
Replacement Considerations
Official pin-to-pin compatible substitutes include other members of the SAM4S family such as the ATSAM4SD16BA-AU or ATSAM4S16BA-AU, provided their specific memory configurations and feature sets align with the application requirements.
