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ATSAM4LS4CA-CFUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 256KB 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, POR, PWM, WDT
- Number of I/O：80
- 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 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 ATSAM4LS4CA-CFUR 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 includes a 16-channel 12-bit ADC, a 10-bit DAC, USB 2.0 Device support, and an Inter-IC Sound controller. It operates on a single 1.68V to 3.6V supply and utilizes picoPower technology for ultra-low power consumption.
Feature Summary
- Integrates picoPower technology for active current consumption down to 90 µA/MHz with configurable voltage scaling.
- Includes a Liquid Crystal Display (LCD) controller supporting up to 40 segments and 4 common terminals.
- Features hardware capacitive touch module (CATB) for autonomous detection of buttons, sliders, and wheels.
- Supports direct peripheral-to-peripheral communication via the Peripheral Event System without CPU intervention.
Applications
- Battery-powered wearable devices requiring low power consumption
- Industrial control systems utilizing segment LCD displays
- Audio equipment incorporating I2S controllers and audio bitstream DACs
- Smart home appliances with capacitive touch interfaces
Procurement Notes
Verify the specific suffix CFUR against official Microchip documentation to confirm tape-and-reel packaging and lead-free status. Ensure compatibility with existing PCB footprints for the VFBGA package. Confirm that the selected variant meets all environmental and regulatory requirements for the intended deployment region.
Selection Notes
Select this component when application requirements include integrated LCD driving capabilities and USB device functionality within a low-power constraint. Compare against the ATSAM4LC series if advanced cryptographic features like AES are required instead of display control. Evaluate pin count and peripheral availability against the specific system interface needs.
Part Context
This part belongs to the SAM4L series of low-power microcontrollers designed for applications demanding high performance with minimal energy usage. The series differentiates itself through the inclusion of dedicated peripherals such as LCD controllers and capacitive touch modules, targeting consumer electronics and industrial instrumentation markets.
Replacement Considerations
Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering variants within the SAM4L family or other ARM Cortex-M4 devices from different manufacturers.
