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ATSAM4LC8CA-CFU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLSH 100VFBGA
- 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：75
- 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 15x12b; D/A 1x10b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：100-VFBGA (7x7)
- Package / Case：100-VFBGA
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Overview
The ATSAM4LC8CA-CFU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features 512KB of embedded Flash memory 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 2.0 device and embedded host interface, capacitive touch module, and advanced encryption standard hardware. It utilizes picoPower technology for ultra-low power consumption across various sleep modes.
Feature Summary
- Integrates picoPower technology for ultra-low active current consumption with configurable voltage scaling.
- Includes an embedded segment LCD controller supporting passive displays with integrated buffers.
- Features a hardware Advanced Encryption Standard (AES) module for secure data processing.
- Supports direct peripheral-to-peripheral communication via the Peripheral Event System.
Applications
- Battery-powered wearable devices requiring low power operation
- Industrial control systems utilizing segment LCD interfaces
- Secure IoT endpoints requiring hardware-based encryption
- Portable consumer electronics with capacitive touch controls
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required voltage levels and peripheral configurations before integration. Cross-reference datasheet revision history for any errata or pin multiplexing updates relevant to the design.
Selection Notes
Select this component when application requirements demand a balance of high performance and low power consumption. The inclusion of both USB host/device capabilities and dedicated LCD controllers makes it suitable for complex user interfaces. Evaluate memory size constraints against the 512KB Flash and 64KB SRAM limits.
Part Context
This part belongs to the SAM4L series, designed for low-power applications. It distinguishes itself within the family by including the AESA module and full USB host capabilities, which are absent in the LS sub-series. The CFU suffix indicates a specific package variant available in the market.
Replacement Considerations
Consult official Microchip documentation for verified substitute part numbers. Ensure functional equivalence regarding memory size, peripheral availability, and package dimensions before substitution.
