深圳市中立信电子科技有限公司

ATSAM3U4EA-AU

ARM微控制器 - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3

Description ATSAM3U4EA-AU

The Atmel® | SMART SAM3U series is a member of a family of Flash microcontrollers based on the high performance 32-bit ARM® Cortex®-M3 RISC processor. It operates at a maximum speed of 96 MHz and features up to 256 Kbytes of Flash and up to 52 Kbytes of SRAM.

Features ATSAM3U4EA-AU

 Core

̶ ARM Cortex-M3 revision 2.0 running at up to 96 MHz

̶ Memory Protection Unit (MPU)

̶ Thumb®-2 instruction set

 Memories

̶ 64 to 256 Kbytes embedded Flash, 128-bit wide access, memory accelerator, dual bank

̶ 16 to 48 Kbytes embedded SRAM with dual banks

̶ 16 Kbytes ROM with embedded bootloader routines (UART, USB) and IAP routines

̶ Static Memory Controller (SMC): SRAM, NOR, NAND support. NAND Flash controller with 4 Kbytes RAM buffer and ECC

 System ATSAM3U4EA-AU

̶ Embedded voltage regulator for single supply operation

̶ POR, BOD and Watchdog for safe reset

̶ Quartz or resonator oscillators: 3 to 20 MHz main 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 fast device startup

̶ Slow Clock Internal RC oscillator as permanent clock for device clock in low power mode

̶ One PLL for device clock and one dedicated PLL for USB 2.0 High Speed Device

̶ Up to 17 Peripheral DMA Controller (PDC) channels and 4-channel central DMA