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Microchip ATSAM4LS8BA-AUR

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ATSAM4LS8BA-AUR Overview

A member of the Microchip'sSAM4L family of Flash microcontrollers based on the ARM® Cortex®-M4 processor, the ATSAM4LS8B 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 512KB 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.

Features

    Microcontroller Features

    Core

    • ARM Cortex-M4 running at up to 48 MHz

    • Memory Protection Unit (MPU)

    • DSP Instructions, Thumb®-2 instruction set

    Memories

    • 512 Kbytes embedded Flash, 0 wait-state capability up to 24MHz

    • 64 Kbytes embedded SRAM

    System

    • 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 downto 90μA/MHz with configurable voltage scaling

    • High performance and efficiency: 28 coremark/mA

    • Wait mode downto 3μA with fast wake-up time (<1.5μs) supporting SleepWalking

    • Full RAM and Logic Retention mode downto 1.5μA with fast wake-up time (<1.5μs)

    • Ultra low power Backup mode with/without RTC downto 1,5/0.9μA

    Package

    • 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

    Temperature operating range

    • Industrial (-40° C to +85° C)

    Peripheral Features

    • 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)

    I/O

    • 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

    Analog Features

    • 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

Applications

SAM4L

Product Parameter

  • Core Processor ARM Cortex M4

  • Speed 48MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Program Memory Type FLASH

  • RAM Size 64K x 8

  • Number of I/O 48

  • Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

  • Mounting Type Surface Mount

  • Oscillator Type Internal

  • Supplier Device Package 64-TQFP (10x10)

  • Package / Case 64-TQFP Exposed Pad

  • Core Size 32-Bit

  • Connectivity I2C, IrDA, LINbus, SPI, UART/USART, USB

  • Program Memory Size 512KB (512K x 8)

  • Data Converters A/D 7x12b; D/A 1x10b

  • Voltage - Supply (Vcc/Vdd) 1.68V ~ 3.6V

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