Microchip Technology ATSAM3S8BA-MUR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.70 | $7.70 |
| 15+ | $7.45 | $111.75 |
| 25+ | $7.29 | $182.25 |
| 50+ | $6.89 | $344.50 |
| 100+ | $6.08 | $608.00 |
| N+ | $1.22 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | SAM3S |
| Packaging | Cut Tape (CT) | 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 |
The ATSAM3S8BA-MUR is a 32-bit ARM Cortex-M3 microcontroller running at 64MHz. It offers 512KB flash and 64KB RAM in a 64-pin VFQFN package. With DMA, I2S, PWM, and brown-out detection, it targets IoT, industrial, and medical applications requiring high integration.
- ARM Cortex-M3 – industry-standard ecosystem and tools.
- Large memory (512KB flash/64KB RAM) – supports complex applications.
- Low voltage operation (1.62V) – extends battery life.
- Rich peripherals (DMA, I2S) – reduces external components.
IoT Gateways
DMA and I2S support audio and sensor data streaming.
Industrial HMI
512KB flash stores graphics assets for display interfaces.
Smart Meters
Low voltage operation (1.62V) enables energy harvesting.
Medical Monitoring
ARM core and 64KB RAM handle real-time signal processing.
Motor Control
PWM channels with dead-time insertion for inverter drives.
Portable Instruments
Brown-out reset and WDT ensure reliable field operation.
- Q: What core is used?
- A: ARM Cortex-M3.
- Q: What is the max speed?
- A: 64MHz.
- Q: How much RAM?
- A: 64KB.
- Q: What package?
- A: 64-VFQFN exposed pad.
- Q: What core is used?
- A: ARM Cortex-M3.
- Q: What is the max speed?
- A: 64MHz.
- Q: How much RAM?
- A: 64KB.
- Q: What package?
- A: 64-VFQFN exposed pad.

ATSAM3S8BA-MUR.pdf