●Description
●Atmel"s SAM4L series is a member of a family of Flash microcontrollers based on the high per formance 32-bit ARM Cortex-M4 RISC processor running at frequencies up to 48MHz.
●The processor implements a Memory Protection Unit (MPU) and a fast and flexible interrupt controller for supporting modern and real-time operating systems.
●Features
●• Core
● – ARM® CortexTM-M4 running at up to 48MHz
● – Memory Protection Unit (MPU)
● – Thumb®-2 instruction set
●• 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
●• Memories
● – From 128 to 512Kbytes embedded Flash, 64-bit wide access,
●• 0 wait-state capability up to 24MHz
● – up to 64Kbytes embedded SRAM
●• System Functions
● – Embedded voltage linear and switching 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 4/8/12MHz 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
●• Peripherals
● – USB 2.0 Device and Embedded Host: 12 Mbps, up to 8 bidirectional Endpoints and Multi-packet Ping-pong Mode. OnChip Transceiver
● – Liquid Crystal Display (LCD) Module with Capacity up to 40 Segments and up to 4 Common Terminals
● – 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
● – Six 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
● – One Advanced Encryption System (AES) with 128-bit key length
● – One 16-channel ADC 300Ksps (ADC) with up to 12 Bits Resolution
● – One DAC 500Ksps (DACC) with up to 10 Bits Resolution
● – Four Analog Comparators (ACIFC) with Optional Window Detection
● – Capacitive Touch Module (CATB) supporting up to 32 buttons
● – Audio Bitstream DAC (ABDACB) Suitable for Stereo Audio
● – Inter-IC Sound (IISC) Controller, Compliant with Inter-IC Sound (I2S) Specification
● – Peripheral Event System for Direct Peripheral to Peripheral Communication
● – 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
● – Random generator (TRNG)
● – Parallel Capture Module (PARC)
● – Glue Logic Controller (GLOC)
●• I/O
● – Up to 75 I/O lines with external interrupt capability (edge or level sensitivity), debouncing, glitch filtering and slew-rate control
● – Up to Six High-drive I/O Pins
●• Single 1.68-3.6V Power Supply
●• Packages
● – 100-lead LQFP, 14 x 14 mm, pitch 0.5 mm/100-ball VFBGA, 7x7 mm, pitch 0.65 mm
● – 64-lead LQFP, 10 x 10 mm, pitch 0.5 mm/64-pad QFN 9x9 mm, pitch 0.5 mm
● – 64-ball WLCSP, 4,314x4,434 mm, pitch 0.5 mm for SAM4LC4/2 and SAM4LS4/2 series
● – 64-ball WLCSP, 5,270x5,194 mm, pitch 0.5 mm for SAM4LC8 and SAM4LS8 series
● – 48-lead LQFP, 7 x 7 mm, pitch 0.5 mm/48-pad QFN 7x7 mm, pitch 0.5 mm