ATSAM3S1AA-AU

ATSAM3S1AA-AU Description générale

The ATSAM3S1AA-AU microcontroller, part of Microchip's SAM3S series, is a powerful and versatile option for embedded system development. With its ARM Cortex-M3 processor core running at speeds up to 64 MHz, this microcontroller provides a robust platform for a wide range of applications. Its 64 KB of flash memory and 16 KB of SRAM offer ample storage for program and data, while its comprehensive set of peripherals—including UART, SPI, I2C, USB, and ADC interfaces—make it suitable for various projects. Additionally, its low-power design and multiple power-saving modes make it an excellent choice for battery-operated devices, and its wide voltage range of 1.62V to 3.6V provides flexible power supply options. Furthermore, the ATSAM3S1AA-AU features a high-speed USB device interface, simplifying connectivity to external devices

Caractéristiques

• Core
• – ARM® Cortex®-M3 revision 2.0 running at up to 64 MHz
• – Memory Protection Unit (MPU)
• – Thumb®-2 instruction set
• Pin-to-pin compatible with AT91SAM7S legacy products (48- and 64-pin versions)
• Memories
• – From 64 to 256 Kbytes embedded Flash, 128-bit wide access, memory accelerator, single plane
• – From 16 to 48 Kbytes embedded SRAM
• – 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
• – 8-bit Static Memory Controller (SMC): SRAM, PSRAM, NOR and NAND Flash support
• – Memory Protection Unit (MPU)
• 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
• – 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 130 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 3 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)
• – Up to 6 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 15-channel, 1Msps ADC with differential input mode and programmable gain stage
• – One 2-channel 12-bit 1Msps DAC
• – One Analog Comparator with flexible input selection, window mode, Selectable input hysteresis
• – 32-bit Cyclic Redundancy Check Calculation Unit (CRCCU)
• – 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 LFBGA, 9 x 9 mm, pitch 0.8 mm
• – 64-lead LQFP, 12 x 12 mm, pitch 0.5 mm / 64-pad QFN 9x9 mm, pitch 0.45 mm
• – 48-lead LQFP, 9 x 9 mm, pitch 0.5 mm / 48-pad QFN 7x7 mm, pitch 0.45 mm

Caractéristiques