Microchip Technology ATSAM3SD8BA-MU

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series SAM3S
Packaging Tray | NULL
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)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-QFN (9x9)
Package / Case 64-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATSAM3SD8BA-MU from Microchip is a powerful 32-bit microcontroller based on the ARM Cortex-M3 core, running at 64MHz. It offers 512KB of flash memory and 64KB of RAM, operating from 1.62V to 3.6V. Packaged in a 64-VFQFN with exposed pad, it is ideal for industrial and consumer applications requiring large memory and efficient processing in a compact form factor.

  • Large Flash Memory: 512KB enables complex firmware and data storage.
  • Low Voltage Operation: Supports 1.62V to 3.6V for battery-powered designs.
  • Efficient DMA: Reduces CPU load for high-throughput data transfers.
  • Compact Package: 64-VFQFN saves board space in space-constrained designs.

Embedded Linux Companion

The 512KB flash and Cortex-M3 core can handle bootloader and co-processing tasks for larger SoCs.

Industrial Sensors

With DMA and I2S, it can efficiently process data from multiple sensors in factory automation.

Portable Medical

Low voltage operation and compact VFQFN package make it suitable for handheld diagnostic devices.

Smart Home Hubs

Its rich peripheral set supports Zigbee, Z-Wave, and other protocol stacks for home automation.

Data Loggers

The large flash memory allows for extended data storage in environmental monitoring systems.

Consumer Audio

I2S interface enables high-quality audio playback in portable speakers and soundbars.

Q: What core does the ATSAM3SD8BA-MU use?
A: It features an ARM Cortex-M3 core running at 64MHz.
Q: What is the supply voltage range?
A: It operates from 1.62V to 3.6V.
Q: How much flash memory does it have?
A: It includes 512KB of flash memory.
Q: What package is available?
A: It comes in a 64-VFQFN Exposed Pad package.
Q: What is the temperature range?
A: It is rated for -40°C to 85°C.
Base Product Number : ATSAM3SD8BA
32-bit 512KB Flash 64KB RAM 64MHz ARM Cortex-M3 Consumer Industrial MCU Microchip VFQFN-64
Q: What core does the ATSAM3SD8BA-MU use?
A: It features an ARM Cortex-M3 core running at 64MHz.
Q: What is the supply voltage range?
A: It operates from 1.62V to 3.6V.
Q: How much flash memory does it have?
A: It includes 512KB of flash memory.
Q: What package is available?
A: It comes in a 64-VFQFN Exposed Pad package.
Q: What is the temperature range?
A: It is rated for -40°C to 85°C.