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ATSAM4LS2AA-MUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 128KB FLASH 48QFN
- Series：SAM4L
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M4
- Core Size：32-Bit Single-Core
- Speed：48MHz
- Connectivity：I2C, IrDA, LINbus, SPI, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：32
- Program Memory Size：128KB (128K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：32K x 8
- Voltage - Supply (Vcc/Vdd)：1.68V ~ 3.6V
- Data Converters：A/D 3x12b; D/A 1x10b
- 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
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Overview
The ATSAM4LS2AA-MUR is a microcontroller from the Microchip SAM4L series, featuring a 32-bit ARM Cortex-M4 processor operating at up to 48MHz. It integrates 128KB of embedded Flash memory and 32KB of SRAM within a 48-lead LQFP package. The device supports a single power supply ranging from 1.68V to 3.6V and includes peripherals such as USB 2.0 Device, LCD controller, capacitive touch module, and various communication interfaces.
Feature Summary
- Ultra-low power consumption enabled by picoPower technology with configurable voltage scaling
- Integrated hardware capacitive touch module supporting autonomous detection for buttons and sliders
- On-chip regulator allows operation in switching or linear modes for optimized efficiency
- Peripheral Event System enables direct peripheral-to-peripheral communication without CPU intervention
Applications
- Battery-powered wearable devices requiring extended operational life
- Industrial control systems utilizing capacitive touch interfaces
- Low-power data logging applications with periodic wake-up requirements
- Portable consumer electronics incorporating segment LCD displays
Procurement Notes
Verify that the ordering suffix corresponds to the specific tape-and-reel packaging configuration required for automated assembly processes. Confirm that the component meets all applicable environmental compliance standards relevant to your manufacturing region before finalizing procurement orders.
Selection Notes
Select this model when system design requires a balance between moderate processing performance and strict energy constraints. Ensure the application utilizes the available GPIO count and peripheral set effectively, particularly leveraging the integrated capacitive touch capabilities if user interaction is necessary.
Part Context
This component belongs to the SAM4L family, which emphasizes low-power operation and integration of specialized modules like LCD controllers and audio interfaces. It serves as an alternative to higher-performance series for cost-sensitive and battery-operated designs where extreme processing speed is not the primary requirement.
Replacement Considerations
Consult official substitution lists for pin-compatible alternatives within the SAM4L family. Verify functional equivalence regarding memory size and peripheral availability before implementing any cross-series replacements.
