English
Language : 

AT91SAM Datasheet, PDF (1/67 Pages) ATMEL Corporation – ARM-based Flash MCU
Features
• Core
– ARM® Cortex®-M4 with a 2Kbytes cache running at up to 120 MHz
– Memory Protection Unit (MPU)
– DSP Instruction Set
– Thumb®-2 instruction set
• Pin-to-pin compatible with SAM3N, SAM3S products (64- and 100- pin versions) and
SAM7S legacy products (64-pin version)
• Memories
– Up to 2048 Kbytes embedded Flash with optional dual bank and cache memory
– Up to 160 Kbytes embedded SRAM
– 16 Kbytes ROM with embedded boot loader routines (UART, USB) and IAP routines
– 8-bit Static Memory Controller (SMC): SRAM, PSRAM, NOR and NAND Flash support
• System
– Embedded voltage regulator for single supply operation
– Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for safe operation
– Quartz or ceramic resonator oscillators: 3 to 20 MHz main power with Failure
Detection and optional low-power 32.768 kHz for RTC or device clock
– RTC with Gregorian and Persian Calendar mode, waveform generation in low-
power modes
– RTC clock calibration circuitry for 32.768 kHz crystal frequency compensation
– High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz default
frequency for device startup. In-application trimming access for frequency
adjustment
– Slow Clock Internal RC oscillator as permanent low-power mode device clock
– Two PLLs up to 240 MHz for device clock and for USB
– Temperature Sensor
– Up to 22 Peripheral DMA (PDC) Channels
• Low Power Modes
– Sleep and Backup Modes, down to 1 µA in Backup Mode
– Ultra low-power RTC
• Peripherals
– USB 2.0 Device: 12 Mbps, 2668 byte FIFO, up to 8 bidirectional Endpoints. On-Chip
Transceiver
– Up to 2 USARTs with ISO7816, IrDA®, RS-485, SPI, Manchester and Modem Mode
– Two 2-wire UARTs
– Up to 2 Two Wire Interface (I2C compatible), 1 SPI, 1 Serial Synchronous Controller
(I2S), 1 High Speed Multimedia Card Interface (SDIO/SD Card/MMC)
– 2 Three-Channel 16-bit Timer/Counter with capture, waveform, compare and PWM
mode. Quadrature Decoder Logic and 2-bit Gray Up/Down Counter for Stepper
Motor
– 4-channel 16-bit PWM with Complementary Output, Fault Input, 12-bit Dead Time
Generator Counter for Motor Control
– 32-bit Real-time Timer and RTC with calendar and alarm features
– Up to 16-channel, 1Msps ADC with differential input mode and programmable gain
stage and auto calibration
– One 2-channel 12-bit 1Msps DAC
– One Analog Comparator with flexible input selection, Selectable input hysteresis
– 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
– Write Protected Registers
• I/O
– Up to 79 I/O lines with external interrupt capability (edge or level sensitivity),
debouncing, glitch filtering and on-die Series Resistor Termination
– Three 32-bit Parallel Input/Output Controllers, Peripheral DMA assisted Parallel
Capture Mode
• Packages
– 100-lead LQFP, 14 x 14 mm, pitch 0.5 mm/ 100-ball TFBGA, 9 x 9 mm, pitch 0.8 mm/
100-ball VFBGA, 7 x 7 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
AT91SAM
ARM-based
Flash MCU
SAM4S Series
Preliminary
Summary
NOTE: This is a summary document.
The complete document is currently not
available. For more information, please
contact your local Atmel sales office.
11100BS–ATARM–31-Jul-12