A member of the Microchip's SAM4L family of flash microcontrollers based on the ARM® Cortex®-M4 processor, the ATSAM4LC8A delivers the lowest power in active mode (90uA/MHz) as well as sleep mode (1.5uA) and the shortest wake-up time (down to 1.5us) in a Cortex-M4-based device.
Along with 512KB of embedded flash memory, the device features an LCD controller, hardware cryptography, USB host and device, peripheral event system, SleepWalking intelligent peripherals, and built-in security, including 128-bit Advanced Encryption Standard (AES).
Integrated Microchip QTouch technology makes it easy to bring capacitive touch functionality to your hardware.
ARM Cortex-M4 running at up to 48 MHz
Memory Protection Unit (MPU)
DSP Instructions, Thumb®-2 instruction set
512 Kbytes embedded Flash, 0 wait-state capability up to 24MHz
64 Kbytes embedded SRAM
Embedded voltage regulator for single-supply operation
Two Power-on-Reset and Two Brown-out Detectors (BOD)
Quartz or ceramic resonator oscillators: 0.6 to 30MHz main power with Failure Detection and low power 32.768 kHz for RTC or device clock
High-precision 8/12 MHz factory-trimmed internal RC oscillator
Slow clock internal RC oscillator as permanent low-power mode device clock
High speed 80MHz internal RC oscillator
Low power 32kHz internal RC oscillator
PLL up to 240MHz for device clock and for USB
Digital Frequency Locked Loop (DFLL) with wide input range
Up to 16 peripheral DMA (PDCA) channels
picoPower® Technology for Ultra-low Power Consumption
Active mode down to 90μA/MHz with configurable voltage scaling
High performance and efficiency: 28 coremark/mA
Wait mode down to 3μA with fast wake-up time (<1.5μs) supporting SleepWalking
Full RAM and Logic Retention mode down to 1.5μA with fast wake-up time (<1.5μs)
Ultra low power Backup mode with/without RTC down to 1.5/0.9μA
48-lead LQFP, 7x7 mm, pitch 0.5 mm
48-pad QFN, 7x7 mm, pitch 0.5 mm
Temperature operating range
USB 2.0 Device and Embedded Host: 12 Mbps, up to 8 bidirectional Endpoints and Multi-packet Ping-pong Mode. On-Chip Transceiver
One USART with ISO7816, IrDA®, RS-485, SPI, Manchester and LIN Mode
Two USART with SPI Mode
Liquid Crystal Display (LCD) Module with Capacity up to 40 Segments and up to 4 Common Terminals
Windowed Watchdog Timer (WDT)
Asynchronous Timer (AST) with Real-time Clock Capability, Counter or Calendar Mode Supported
Frequency Meter (FREQM) for Accurate Measuring of Clock Frequency
Three 16-bit Timer/Counter (TC) Channels with capture, waveform, compare and PWM mode
One Master/Slave Serial Peripheral Interface (SPI) with Chip Select Signals
Two Master and One Slave Two-wire Interfaces (TWI), up to 3.4Mbit/s I2C-compatible
Capacitive Touch Module (CATB) supporting up to 32 buttons
Inter-IC Sound (IISC) Controller, Compliant with Inter-IC Sound (I2S) Specification
Peripheral Event System for Direct Peripheral to Peripheral Communication
Parallel Capture Module (PARC)
Glue Logic Controller (GLOC)
27 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and slew-rate control
One High-drive I/O Pins
One 4-channel ADC 300Ksps (ADC) with up to 12 Bits Resolution
One DAC 500Ksps (DACC) with up to 10 Bits Resolution
One Analog Comparators (ACIFC) with Optional Window Detection
Audio Bitstream DAC (ABDACB) Suitable for Stereo Audio
One Advanced Encryption System (AES) with 128-bit key length
32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
Random generator (TRNG)
Debugger Development Support
Serial Wire/JTAG Debug Port(SWJ-DP)
Debug access to all memories and registers in the system, including Cortex-M4 register bank when the core is running, halted, or held in reset.
Serial Wire Debug Port (SW-DP) and Serial Wire JTAG Debug Port (SWJ-DP) debug access.
Flash Patch and Breakpoint (FPB) unit for implementing breakpoints and code patches.
Data Watchpoint and Trace (DWT) unit for implementing watchpoints, data tracing, and system profiling.
Instrumentation Trace Macrocell (ITM) for support of printf style debugging.
IEEE1149.1 JTAG Boundary-scan on all digital pins.
Integrated Software Libraries and Tools
ASF-Atmel software Framework – SAM software development framework
Integrated in the Atmel Studio IDE with a graphical user interface or available as standalone for GCC, IAR compilers.
DMA support, Interrupt handlers Driver support
USB, TCP/IP, Wi-Fi and Bluetooth, Numerous USB classes, DHCP and Wi-Fi encryption Stacks
RTOS integration, FreeRTOS is a core component.
Power Debugger is a powerful development tool for debugging and programming AVR microcontrollers using UPDI, JTAG, PDI, debugWIRE, aWire, TPI or SPI target interfaces and ARM® Cortex®-M based SAM microcontrollers using JTAG or SWD target interfaces.
In addition the Power Debugger has two independent current sensing channels for measuring and optimizing the power consumption of...
PROTO1 Xplained Pro provides easy prototyping on the Xplained Pro platform. It connects to the extension headers of any Xplained Pro evaluation kit and can be used as a gateway to other Xplained Pro extension boards with its own Xplained Pro extension header.
OLED1 Xplained Pro is an extension kit with a 128x32 OLED display, 3 LEDs and 3 push buttons. It connects to the extension headers of any Xplained Pro evaluation kit.
Ethernet1 Xplained Pro is an extension board in the Xplained Pro evaluation platform. The board enables the user to experiment with Ethernet network connectivity applications.
The SAM4L8 Xplained Pro starter kit is ideal for evaluation and prototyping with the SAM4L8 Cortex®-M4 processor-based microcontroller. The SAM4L8 Xplained Pro board is available as an evaluation kit or starter kit. Extension boards can also be individually purchased.
The ATSAM4L8-XSTK starter kit includes Xplained Pro extension kits
This kit lets designers quickly evaluate and develop code for applications running on SAM4L microcontrollers. The board features an embedded debugger, dedicated circuitry to measure the power consumption of your application, LCD, USB, capacitive touch functionality and much more. It also offers expansion headers to plug in extension boards so you can easily add gyrometers, accelerometers, Wifi and...
Atmel-ICE is a powerful development tool for debugging and programming ARM® Cortex®-M based SAM and AVR microcontrollers with on-chip debug capability.
SAM-ICE is a JTAG emulator designed for SAMA5, SAM3, SAM4, SAM7 and SAM9 ARM® core-based MCUs and MPUs, including Thumb mode. It supports download speeds up to 720K Bytes per second and maximum JTAG speeds up to 12 MHZ. It also supports Serial Wire Debug (SWD) and Serial Wire Viewer (SWV) from SAM-ICE hardware V6.
I/O1 Xplained Pro provides a light sensor, temperature sensor, and microSD card. It connects to the extension headers of any Xplained Pro Evaluation Kit.
SLCD1 Xplained Pro is an extension kit with a 96-segment LCD display. It connects to Xplained Pro evaluation kits with segment LCD extension headers. For supported kits, see the related tools tab.
The SAM4L8 Xplained Pro evaluation kit is ideal for evaluation and prototyping with the SAM4L8 Cortex®-M4 processor-based microcontroller. The SAM4L Xplained Pro board is available as an evaluation kit or starter kit. Extension boards can also be purchased individually.
The ATSAM4L8-XPRO evaluation kit does not include extension boards.