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AT91SAM Datasheet, PDF (1/67 Pages) ATMEL Corporation – ARM-based Flash MCU | |||
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Features
⢠Core
â ARM® Cortex®-M4 with a 2Kbytes cache running at up to 120 MHz
â Memory Protection Unit (MPU)
â DSP Instruction Set
â 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
â Up to 2048 Kbytes embedded Flash with optional dual bank and cache memory
â Up to 160 Kbytes embedded SRAM
â 16 Kbytes ROM with embedded boot loader routines (UART, USB) and IAP routines
â 8-bit Static Memory Controller (SMC): SRAM, PSRAM, NOR and NAND Flash support
⢠System
â Embedded voltage regulator for single supply operation
â Power-on-Reset (POR), Brown-out Detector (BOD) and Watchdog for safe operation
â 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
â RTC with Gregorian and Persian Calendar mode, waveform generation in low-
power modes
â RTC clock calibration circuitry for 32.768 kHz crystal frequency compensation
â 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
â Slow Clock Internal RC oscillator as permanent low-power mode device clock
â Two PLLs up to 240 MHz for device clock and for USB
â Temperature Sensor
â Up to 22 Peripheral DMA (PDC) Channels
⢠Low Power Modes
â Sleep and Backup Modes, down to 1 µA in Backup Mode
â Ultra low-power RTC
⢠Peripherals
â USB 2.0 Device: 12 Mbps, 2668 byte FIFO, up to 8 bidirectional Endpoints. On-Chip
Transceiver
â Up to 2 USARTs with ISO7816, IrDA®, RS-485, SPI, Manchester and Modem Mode
â Two 2-wire UARTs
â 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)
â 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
â 4-channel 16-bit PWM with Complementary Output, Fault Input, 12-bit Dead Time
Generator Counter for Motor Control
â 32-bit Real-time Timer and RTC with calendar and alarm features
â Up to 16-channel, 1Msps ADC with differential input mode and programmable gain
stage and auto calibration
â One 2-channel 12-bit 1Msps DAC
â One Analog Comparator with flexible input selection, Selectable input hysteresis
â 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
â Write Protected Registers
⢠I/O
â Up to 79 I/O lines with external interrupt capability (edge or level sensitivity),
debouncing, glitch filtering and on-die Series Resistor Termination
â Three 32-bit Parallel Input/Output Controllers, Peripheral DMA assisted Parallel
Capture Mode
⢠Packages
â 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
â 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.
11100BSâATARMâ31-Jul-12
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