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ATSAM4LC8CA-AU
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 100TQFP
- 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-TQFP (14x14)
- Package / Case：100-TQFP
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Overview
The ATSAM4LC8CA-AU is a 32-bit microcontroller based on the ARM Cortex-M4 processor, operating at frequencies up to 48MHz. It features 512KB of embedded Flash memory and 64KB of SRAM within a 100-lead TQFP package (14x14mm). The device supports a single power supply ranging from 1.68V to 3.6V and includes an integrated LCD controller, USB 2.0 device and embedded host interface, and hardware AES encryption. It offers 75 I/O lines with external interrupt capabilities.
Feature Summary
- Integrates picoPower technology for ultra-low active current consumption and multiple low-power modes including WAIT, RETENTION, and BACKUP.
- Includes a segment LCD controller supporting passive displays with up to 40 segments and 4 common terminals.
- Features a full-speed USB 2.0 interface capable of functioning as both a device and an embedded host.
- Incorporates a 128-bit Advanced Encryption Standard (AES) module for secure data processing.
Applications
- Battery-powered devices requiring extended operational life
- Applications utilizing monochrome passive liquid crystal displays
- Systems requiring secure data transmission via hardware encryption
- Embedded host or device implementations using USB connectivity
Procurement Notes
Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing board layouts regarding the 100-TQFP footprint. Confirm that the required peripheral configurations align with the pin multiplexing options available in the datasheet before finalizing procurement.
Selection Notes
Select this component when high performance combined with ultra-low power consumption is required. The inclusion of an LCD controller makes it suitable for display-centric applications without needing external drivers. Consider the USB host capability if interfacing with peripherals like flash drives or mice is necessary within the design constraints.
Part Context
This part belongs to the SAM4L series of low-power microcontrollers. It shares the core architecture with other variants in the family but distinguishes itself through its specific memory size and the inclusion of the LCD controller and AES security features found in the LC sub-series.
Replacement Considerations
Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering similar parts from the same manufacturer or different vendors.
