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SAM3U_14 Datasheet, PDF (1/1187 Pages) ATMEL Corporation – From 64 to 256 Kbytes embedded Flash | |||
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Features
⢠Core
â ARM® Cortex®-M3 revision 2.0 running at up to 96 MHz
â Memory Protection Unit (MPU)
â Thumb®-2 instruction set
⢠Memories
â From 64 to 256 Kbytes embedded Flash, 128-bit wide access, memory accelerator,
dual bank
â From 16 to 48 Kbytes embedded SRAM with dual banks
â 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines
â Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash
controller with 4 Kbytes RAM buffer and ECC
⢠System
â Embedded voltage regulator for single supply operation
â POR, BOD and Watchdog for safe reset
â Quartz or resonator oscillators: 3 to 20 MHz main and optional low power 32.768
kHz for RTC or device clock.
â High precision 8/12 MHz factory trimmed internal RC oscillator with 4 MHz Default
Frequency for fast device startup
â Slow Clock Internal RC oscillator as permanent clock for device clock in low power
mode
â One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Device
â Up to 17 peripheral DMA (PDC) channels and 4-channel central DMA
⢠Low Power Modes
â Sleep and Backup modes, down to 2.5 µA in Backup mode
â Backup domain: VDDBU pin, RTC, 32 backup registers
â Ultra low power RTC: 0.6 µA
⢠Peripherals
â USB 2.0 Device: 480 Mbps, 4-kbyte FIFO, up to 7 bidirectional Endpoints,
dedicated DMA
â Up to 4 USARTs (ISO7816, IrDA®, Flow Control, SPI, Manchester support) and one
UART
â Up to 2 TWI (I2C compatible), 1 SPI, 1 SSC (I2S), 1 HSMCI (SDIO/SD/MMC)
â 3-Channel 16-bit Timer/Counter (TC) for capture, compare and PWM
â 4-channel 16-bit PWM (PWMC)
â 32-bit Real Time Timer (RTT) and RTC with calendar and alarm features
â 8-channel 12-bit 1MSPS ADC with differential input mode and programmable gain
stage, 8-channel 10-bit ADC
⢠I/O
â Up to 96 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/Outputs (PIO)
⢠Packages
â 100-lead LQFP, 14 x 14 mm, pitch 0.5 mm
â 100-ball TFBGA, 9 x 9 mm, pitch 0.8 mm
â 144-lead LQFP, 20 x 20 mm, pitch 0.5 mm
â 144-ball LFBGA, 10 x 10 mm, pitch 0.8 mm
AT91SAM
ARM-based
Flash MCU
SAM3U Series
6430FâATARMâ21-Feb-12
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