Datasheet

2
42023E–SAM–07/2013
ATSAM4L8/L4/L2
– 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 I
2
C-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 (I
2
S) 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
– 48-lead LQFP, 7 x 7 mm, pitch 0.5 mm/48-pad QFN 7x7 mm, pitch 0.5 mm