Datasheet

2
SAM3S [SUMMARY]
6500ES–ATARM–11-Feb-13
1. Features
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 series (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 1.8 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, 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
64-lead LQFP, 10 x 10 mm, pitch 0.5 mm/64-pad QFN 9x9 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