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ATSAM4LC8CA-CFUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLSH 100VFBGA
- 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：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-CFUR is a 32-bit microcontroller from the SAM4L series, built on an ARM Cortex-M4 core operating at 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 various communication interfaces such as USART, SPI, and I2C.
Feature Summary
- Integrates picoPower technology for ultra-low active current consumption with configurable voltage scaling.
- Includes a dedicated segment LCD controller supporting passive displays with integrated buffers and waveform control.
- Features an embedded hardware capacitive touch module capable of autonomous detection for buttons and sliders.
- Supports direct peripheral-to-peripheral communication via the Peripheral Event System without CPU intervention.
Applications
- Battery-powered wearable devices requiring low standby currents
- Industrial controllers utilizing segment LCD displays
- Consumer electronics incorporating capacitive touch interfaces
- USB-enabled data logging equipment
Procurement Notes
Verify the specific suffix CFUR against official Microchip documentation to confirm tape and reel packaging requirements. Ensure the ordering code matches the exact pin count and package type required for your PCB layout. Cross-reference the datasheet revision date to confirm compatibility with your design specifications.
Selection Notes
Select this component when application requirements demand a balance between high performance and extreme power efficiency. The inclusion of both USB host capabilities and a segment LCD driver makes it suitable for complex portable instruments. Evaluate the available GPIO multiplexing options to ensure sufficient peripheral connectivity for the target system architecture.
Part Context
This part belongs to the ATSAM4LC sub-series within the broader SAM4L family. Unlike the SAM4LS variant, the LC series specifically includes the Advanced Encryption Standard (AES) module and supports USB embedded host functionality. It shares the same core processor and power management features as other members of the SAM4L ecosystem.
Replacement Considerations
Consult the official SAM4L series summary document for verified cross-references. Direct replacements may include other variants within the ATSAM4LC family with differing memory sizes or pin counts, provided the functional requirements are met.
