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ATSAM4LC8BA-MUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64QFN
- 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, LCD, POR, PWM, WDT
- Number of I/O：43
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：64K x 8
- Voltage - Supply (Vcc/Vdd)：1.68V ~ 3.6V
- Data Converters：A/D 7x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
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Overview
The ATSAM4LC8BA-MUR is a microcontroller from the SAM4L series, featuring an ARM Cortex-M4 core running at up to 48MHz. It includes 512KB of embedded Flash and 64KB of SRAM. The device supports a single power supply ranging from 1.68V to 3.6V. Key peripherals include a segment LCD controller, USB device and host interface, capacitive touch module, and various communication interfaces such as USART, SPI, and I2C.
Feature Summary
- Integrates picoPower technology for ultra-low power consumption with configurable voltage scaling.
- Includes a segment LCD controller supporting passive displays with integrated buffers and waveform control.
- Features an embedded hardware capacitive touch module for autonomous detection of buttons and sliders.
- Supports direct peripheral-to-peripheral communication via the Peripheral Event System.
Applications
- Battery-powered wearable devices requiring low active current
- Applications utilizing monochrome passive liquid crystal displays
- Systems requiring capacitive touch user interfaces
- USB-enabled portable electronics
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure the component matches the required pinout and peripheral configuration for your design. Cross-reference the datasheet revision to confirm feature availability.
Selection Notes
Select this model when high performance combined with ultra-low power operation is critical. The inclusion of a segment LCD controller and capacitive touch module makes it suitable for display-heavy applications without external controllers. Consider the available GPIO count and peripheral set relative to system requirements.
Part Context
This component belongs to the SAM4L family of microcontrollers based on the ARM Cortex-M4 architecture. The family emphasizes energy efficiency through picoPower technology, targeting applications where power consumption is a primary constraint while maintaining processing capabilities.
Replacement Considerations
Consult official substitution lists for compatible parts within the SAM4L series. Verify pin compatibility and peripheral equivalence before replacing components in existing designs.
