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ATSAM4S2BA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB 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：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 16x12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-LQFP (10x10)
- Package / Case：64-LQFP
- Grade：-
- Qualification：-
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Overview
The ATSAM4S2BA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at 120 MHz. It integrates 128 KB of Flash memory and 64 KB of SRAM within a 64-pin LQFP package. The device supports a supply voltage range of 1.62V to 3.6V and functions across an industrial temperature range of -40°C to +85°C.
Feature Summary
- Integrates ARM Cortex-M4 processor with MPU support for enhanced system performance
- Includes hardware code protection features to secure intellectual property
- Provides native Microchip QTouch capacitive touch technology support
- Features multi-channel DMA and distributed memory architecture
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. Ensure compatibility with existing design constraints before procurement. Confirm that the selected variant matches the required pin count and memory configuration for the target application.
Selection Notes
Select this component when a balance of moderate memory density and high processing speed is required. The 64-pin LQFP package offers a compact footprint suitable for space-constrained designs. Consider the integrated peripherals and power efficiency characteristics for battery-operated or low-power applications.
Part Context
This part belongs to the SAM4S series, which provides scalability in memory and performance. The series maintains pin-to-pin compatibility with SAM4N, SAM3S, SAM3N, and SAM7S devices, facilitating migration within the Microchip portfolio.
Replacement Considerations
ATSAM4S2CA-AU (100-pin LQFP)
FAQ
Does the ATSAM4S2BA-AU include cache memory?
No, the ATSAM4S2BA-AU does not include cache memory. Cache is available in higher-density variants such as the ATSAM4SD32BA-AU.
What is the maximum operating frequency of this MCU?
The maximum operating frequency is 120 MHz.
