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ATSAM4LC4BA-MU
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB FLASH 64QFN
- Series：SAM4L
- Mfr：Microchip Technology
- Package：Tray
- 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：256KB (256K 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 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 ATSAM4LC4BA-MU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features 256KB of embedded Flash memory and 32KB of SRAM. The device incorporates picoPower technology for ultra-low power consumption, supporting active current down to 90 µA/MHz with configurable voltage scaling. Key peripherals include a segment LCD controller, USB 2.0 Device and Embedded Host interface, capacitive touch module (QTouch), and various communication interfaces such as USART, SPI, and I2C.
Feature Summary
- Integrates picoPower technology for ultra-low power consumption across multiple sleep modes.
- Includes an embedded segment LCD controller for monochrome passive displays.
- Features a hardware capacitive touch module supporting up to 32 sensors.
- Provides USB 2.0 Device and Embedded Host capabilities with an on-chip transceiver.
Applications
- Battery-powered portable devices requiring extended operational life
- Applications utilizing monochrome passive liquid crystal displays
- Systems incorporating capacitive touch user interfaces
- Devices requiring USB connectivity for data transfer or host functions
Procurement Notes
Verify the specific package type and suffix against official Microchip documentation to ensure compatibility with your design requirements. Confirm that the ordering suffix corresponds to the correct packaging format and temperature range specified in the datasheet before finalizing procurement decisions.
Selection Notes
Select this component when a balance of processing performance and low power consumption is required. The inclusion of dedicated LCD and touch controllers reduces CPU overhead. Ensure the application utilizes the available GPIO count and peripheral set effectively within the constraints of the chosen package.
Part Context
This part belongs to the SAM4L series of microcontrollers, which are designed for low-power applications using the ARM Cortex-M4 architecture. The series distinguishes itself through integrated picoPower technology and specialized peripherals like LCD controllers and capacitive touch modules, targeting energy-efficient embedded systems.
Replacement Considerations
Consult the official SAM4L family summary document for cross-referencing compatible parts within the ATSAM4LC and ATSAM4LS series. Verify pinout and peripheral availability differences between sub-series before considering substitutes.
FAQ
Does the ATSAM4LC4BA-MU support USB host functionality?
Yes, the ATSAM4LC series includes a USB 2.0 Device and Embedded Host interface with an on-chip transceiver.
What is the maximum active current consumption of this device?
The device achieves active current consumption down to 90 µA/MHz with configurable voltage scaling enabled.
