Status: In Production
A member of the Microchip's SAM4L family of Flash microcontrollers based on the ARM® Cortex®-M4 processor, the ATSAM4LS4A 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 device. Along with 256KB of embedded Flash, the device features a USB device, peripheral event system and SleepWalking intelligent peripherals. 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
128 Kbytes embedded Flash, 0 wait-state capability up to 24MHz
32 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
Temperature operating range
USB 2.0 Device: 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
Three USART with SPI Mode
One PicoUART for extended UART wake-up capabilities in all sleep modes
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
Four Master and Two 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)
43 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and slew-rate control
Three High-drive I/O Pins
One 8-channel ADC 300Ksps (ADC) with up to 12 Bits Resolution
One DAC 500Ksps (DACC) with up to 10 Bits Resolution
Two Analog Comparators (ACIFC) with Optional Window Detection
Audio Bitstream DAC (ABDACB) Suitable for Stereo Audio
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
Studio 7 is the integrated development platform (IDP) for developing and debugging all AVR® and SAM microcontroller applications. The Atmel Studio 7 IDP gives you a seamless and easy-to-use environment to write, build and debug your applications written in C/C++ or assembly code. It also connects seamlessly to the debuggers, programmers and development kits that support AVR® and SAM...
MPLAB® X Integrated Development Environment (IDE) is an expandable, highly configurable software program that incorporates powerful tools to help you discover, configure, develop, debug and qualify embedded designs for most of Microchip’s microcontrollers, microprocessors and digital signal controllers.
MPLAB X IDE works seamlessly with the MPLAB development ecosystem of
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.
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.
For a complete and ready to...
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...
For pricing and availability, contact Microchip Local Sales.