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ATSAM3SD8BA-MUR
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Product Detailed Parameters
- Description：IC MCU 32BIT 512KB FLASH 64QFN
- Series：SAM3S
- Mfr：Microchip Technology
- Package：Tape & Reel (TR),Cut Tape (CT)
- Core Processor：ARM® Cortex®-M3
- Core Size：32-Bit Single-Core
- Speed：64MHz
- Connectivity：I2C, IrDA, Memory Card, SPI, SSC, UART/USART, USB
- Peripherals：Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
- Number of I/O：47
- Program Memory Size：512KB (512K x 8)
- Program Memory Type：FLASH
- EEPROM Size：-
- RAM Size：64K x 8
- Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
- Data Converters：A/D 10x10/12b; D/A 2x12b
- Oscillator Type：Internal
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Supplier Device Package：64-QFN (9x9)
- Package / Case：64-VFQFN Exposed Pad
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Overview
The ATSAM3SD8BA-MUR is an ARM microcontroller from the SAM3S series, featuring a Cortex-M3 core operating at up to 64 MHz. It integrates 512 kB of Flash program memory and 64 kB of SRAM data RAM within a QFN-64 package. The device supports a supply voltage range of 1.62 V to 3.6 V and includes 47 I/O pins with 3.3 V tolerance. Peripheral interfaces include SPI, UART, USART, I2C, SSC, USB, and SD/MMC controllers.
Feature Summary
- Integrates a high-performance ARM Cortex-M3 processor core for efficient code execution.
- Includes built-in USB OTG controller supporting full-speed operations.
- Features multiple communication peripherals including SPI, UART, and I2C interfaces.
- Provides flexible memory configuration with substantial Flash and SRAM capacities.
Applications
- USB-enabled embedded systems
- Industrial control applications
- Consumer electronics devices
Procurement Notes
Verify the specific suffix 'MUR' indicates tape and reel packaging rather than tray distribution. Confirm the operating temperature range matches industrial requirements. Ensure the QFN-64 footprint aligns with PCB design constraints. Check for RoHS compliance status in official documentation before procurement.
Selection Notes
Select this component when USB connectivity and moderate processing power are required. Compare against ATSAM3S variants if lower memory capacity suffices. Consider the ATSAM4S series for higher clock speeds or DSP capabilities. Verify pin compatibility with existing designs using the SAM3S family datasheet.
Part Context
This part belongs to the Microchip SAM3S family of 32-bit ARM Cortex-M3 microcontrollers. It shares architectural similarities with other SAM3S devices but offers specific memory and peripheral configurations. The series targets cost-sensitive applications requiring reliable performance and standard connectivity options.
Replacement Considerations
ATSAM3SD8CA-AU is a pin-compatible alternative in LQFP packaging. ATSAM3S8BA variants offer similar core functionality with potentially different memory sizes. Verify peripheral availability and package dimensions when substituting.
