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Overview
- Part Family:ATSAM4LS4B
- CPU Type:Cortex-M4
- MaxSpeed (MHz):48
- Program Memory Size (KB):256
- SRAM (KB):32
- Temp. Range Min.:-40
- Temp. Range Max.:85
- Operation Voltage Min.(V):1.68
- Operation Voltage Max.(V):3.6
- SPI:1
- I2C:4
- UART:4
- QSPI:0
- Crypto Engine:No
- Internal Oscillator:80Mhz, 2,4,8Mhz , 32Khz, 115Khz
- Pin Count:64
- 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)
- 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
- 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
- 64-lead LQFP, 10x10 mm, pitch 0.5 mm
- 64-pad QFN, 9x9 mm, pitch 0.5 mm
- 64-ball WLCSP, 5,270x5,194 mm, pitch 0.5 mm
- Industrial (-40° C to +85° C)
- 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
- 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.
- 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
A member of the Microchip's SAM4L family of Flash microcontrollers based on the ARM® Cortex®-M4 processor, the ATSAM4LS4B 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.
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Tools And Software
Development Environment
Emulator and Debuggers
Demo & Evaluation Boards
Programmers
3rd Party Tools
Legacy
| Tools |
|---|
 MPLAB® Extensions for Microsoft® Visual Studio Code® (VS Code®) is a collection of VS Code extensions that combines the power of the MPLAB development ecosystem with the versatility of VS Code. Whether you are a new or existing client, MPLAB Extensions for VS Code provides you with a seamless, flexible and efficient development environment with comprehensive support for designs based on our devices.
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| Tools |
|---|
| J-32 Debug Probe is a JTAG/ICSP Debugger that supports all of Microchip's 32-bit MCU and MPU products.
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| The MPLAB® Snap In-Circuit Debugger/Programmer allows affordable, fast and easy debugging and programming of PIC®, dsPIC® and AVR flash MCUs and MPUs, using the powerful graphical user interface of MPLAB X Integrated Development Environment (IDE). The MPLAB Snap can be connected to a design engineer's computer using a High-Speed USB 2.0 interface and can be connected to the target via an 8-pin Single In-Line (SIL) connector. The connector uses two device I/O pins and the reset line to implement in-circuit debugging and In-Circuit Serial Programming™ (ICSP™). It has all the speed and features entry-level users need to quickly debug their prototype.
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| The MPLAB ICE 4 in-circuit emulator system boosts productivity with feature-rich programming and debugging for PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs).
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| The MPLAB® PICkit™ 5 in-circuit debugger/programmer enables quick prototyping and portable, production-ready programming for all Microchip devices, including PIC® microcontrollers (MCUs) and dsPIC® Digital Signal Controllers (DSCs), AVR® and SAM devices and Arm® Cortex®-based microprocessors (MPUs).
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| The MPLAB® ICD 5 In-Circuit Debugger/Programmer offers advanced connectivity and power options for developers of designs based on PIC®, AVR® and SAM devices and dsPIC® Digital Signal Controllers (DSCs).
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| Tools |
|---|
| Ethernet1 Xplained Pro is an extension board in the Xplained Pro evaluation platform.
|
| I/O1 Xplained Pro provides a light sensor, temperature sensor, and microSD card for use with Xplained Pro Evaluation Kits. |
| OLED1 Xplained Pro is an extension kit with a 128x32 OLED display, 3 LEDs and 3 push buttons. |
| PROTO1 Xplained Pro provides easy prototyping on the Xplained Pro platform. |
| The SAM4L8 Xplained Pro evaluation kit is ideal for evaluation and prototyping with the SAM4L8 ARM® Cortex®-M4 processor-based microcontroller.
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| Tools |
|---|
| J-32 Debug Probe is a JTAG/ICSP Debugger that supports all of Microchip's 32-bit MCU and MPU products.
|
| The Softlog SEC-DS Secure Programming Upgrade is a "Secure Programming" extension for the ICP2 and ICP2(HC) progra |
| The Softlog SEC4CH-DS Secure Programming Upgrade is a "Secure Programming" extension for the ICP2GANG programmer. |
| A member of the ICP(G3) family of high-speed, production-grade in-circuit programmers. This compact, battery-powered device supports up to six different programming environments, making it an ideal, low-cost solution for field upgrades. ICP2PORT(G3)-PX programs Microchip 8-bit PIC® & AVR® MCUs, 16-bit PIC MCUs & dsPIC® DSCs, 32-bit AVR, PIC & ARM Cortex M0/0+/23/3/4/7 MCUs and Serial EEPROMs & Flash ICs.
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| The ICP2(G3)-DPX Production Quality In-Circuit Programmer is a cost-effective programmer that operates with a PC or as a standalone unit. It programs 8-bit PIC® & AVR® MCUs, 16-bit PIC MCUs & dsPIC® DSCs, 32-bit AVR, PIC & ARM Cortex M0/0+/23/3/4/7 MCUs and Serial EEPROMs & Flash ICs.
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| Tools |
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| Microchip Studio is an Integrated Development Environment (IDE) for developing and debugging AVR® and SAM microcontroller applications. It merges all of the great features and functionality of Atmel Studio into Microchip’s well-supported portfolio of development tools to give you a seamless and easy-to-use environment for writing, building and debugging your applications written in C/C++ or assembly code.
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["developmentenvironment","Development Environment"] ,
["emulators","Emulator and Debuggers"] ,
["demoevaluationboards","Demo & Evaluation Boards"] ,
["programmerrelations","Programmers"] ,
["thirdpartytools","3rd Party Tools"] ,
["legacy","Legacy"] ,
["softwarelibraries","Library and Firmware"]
referencedesigns,Reference Designs:
codeexamples,Code Examples:
ibisboarddesignfiles,Board Design Files: