Atmel ATSAM4LC2A低功耗32位ARM Cortex-M4 MCU开发方案(2)

Atmel ATSAM4LC2A低功耗32位ARM Cortex-M4 MCU开发方案

– 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. On-Chip 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

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