ATSAM3S2CA-AU

ARM微控制器 - MCU MRL A 128K Flash 32K SRAM Ind Temp

ATSAM3S2CA-AU Description 

Atmel's ATSAM3S2CA-AU SAM3S series is a member of a family of 32-bit Flash microcontrollers based on the high performance ARM Cortex-M3 processor. It operates at a maximum speed of 64 MHz and features up to 256 Kbytes of Flash and up to 48 Kbytes of SRAM. The peripheral set includes a Full Speed USB Device port with embedded transceiver, a High Speed MCI for SDIO/SD/MMC, an External Bus Interface featuring a Static Memory Controller providing connection to SRAM, PSRAM, NOR Flash, LCD Module and NAND Flash, 2x USARTs, 2x UARTs, 2x TWIs, 3x SPI, an I2S, as well as 1 PWM timer, 6x general-purpose 16-bit timers, an RTC, an ADC, a 12-bit DAC and an analog comparator.

ATSAM3S2CA-AU 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

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