SAM3N_14 Datasheet, PDF (1/60 Pages) ATMEL Corporation – Pin-to-pin compatible with SAM7S legacy products

Features
• Core
– ARM^® Cortex^®-M3 revision 2.0 running at up to 48 MHz
– Thumb^®-2 instruction
– 24-bit SysTick Counter
– Nested Vector Interrupt Controller
• Pin-to-pin compatible with SAM7S legacy products (48- and 64-pin versions) and
SAM3S (48-, 64- and 100-pin versions)
• Memories
– From 16 to 256 Kbytes embedded Flash, 128-bit wide access, memory accelerator,
single plane
– From 4 to 24 Kbytes embedded SRAM
– 16 Kbytes ROM with embedded bootloader routines (UART) and IAP routines
• 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
– One PLL up to 130 MHz for device clock
– Up to 10 peripheral DMA (PDC) channels
• Low Power Modes
– Sleep and Backup modes, down to 3 µA in Backup mode
– Ultra low power RTC
• Peripherals
– Up to 2 USARTs with RS-485 and SPI mode support. One USART (USART0) has
ISO7816, IrDA® and PDC support in addition
– Two 2-wire UARTs
– 2 Two Wire Interface (I2C compatible), 1 SPI
– 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
– 32-bit Real-time Timer and RTC with calendar and alarm features
– Up to 16 channels, 384 KSPS 10-bit ADC
– One 500 KSPS 10-bit DAC
• 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
• 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
AT91SAM
ARM-based
Flash MCU
SAM3N Series
Summary
11011BS–ATARM–22-Feb-12