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ATSAM4LC8BA-UUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64WLCSP
- 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-WLCSP (5.27x5.19)
- Package / Case：64-XFBGA, WLCSP
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Overview
The ATSAM4LC8BA-UUR is a microcontroller from the SAM4L series, featuring an ARM Cortex-M4 core operating at up to 48MHz. It includes 512KB of embedded Flash and 64KB of SRAM. The device supports single supply operation between 1.68V and 3.6V. Key peripherals include a segment LCD controller, USB device and host interface, capacitive touch module, and advanced encryption standard (AES). It offers multiple communication interfaces such as USART, SPI, and TWI.
Feature Summary
- Ultra-low power consumption enabled by picoPower technology with configurable voltage scaling
- Integrated segment LCD controller for passive displays with low power waveform support
- Embedded hardware capacitive touch module supporting autonomous detection
- Hardware AES module for secure data encryption and decryption
Applications
- Battery-powered wearable devices requiring extended operational life
- Industrial sensors utilizing low-power wireless communication protocols
- Smart home appliances incorporating touch-sensitive user interfaces
- Portable medical equipment demanding high security and reliable performance
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing PCB footprints and voltage regulators. Confirm RoHS compliance status through current datasheets before finalizing procurement decisions.
Selection Notes
Select this component when applications require a balance of processing power and minimal energy usage. The integrated LCD controller and capacitive touch features reduce external component count. Consider the available I/O lines and peripheral sets to ensure sufficient connectivity for system requirements without unnecessary complexity.
Part Context
This part belongs to the SAM4L family, designed for low-power applications using ARM Cortex-M4 architecture. It succeeds earlier Atmel MCU lines following the Microchip acquisition. The series emphasizes efficiency through combined power control techniques and extensive peripheral integration suitable for diverse embedded systems.
Replacement Considerations
Consult official substitution lists for compatible parts within the SAM4L or SAM4S families. Verify pin-to-pin compatibility and memory configurations before replacing components in existing designs.
