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ATSAM4CMS8CB-AUR

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ATSAM4CMS8CB-AUR

IC MCU 32BIT 512KB FLASH 100LQFP

Manufacturer: Microchip Technology

Categories: Microcontrollers

Quality Control: Learn More

Microchip Technology SAM4CM series microcontroller, part number ATSAM4CMS8CB-AUR. This 32-bit dual-core ARM Cortex-M4/M4F processor operates at 120MHz, offering 512KB of FLASH program memory and 128KB of SRAM. The device features a 100-LQFP (14x14) package and supports connectivity via EBI/EMI, I2C, IrDA, SPI, and UART/USART. Integrated peripherals include DMA, LCD control, and watchdog timer, alongside a 6-channel 10-bit ADC. Designed for surface mounting, this component is suitable for applications in industrial automation, medical equipment, and advanced consumer electronics. The operating temperature range is -40°C to 85°C.

Additional Information

Series: SAM4CMRoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Datasheet:
Technical Details:
PackagingTape & Reel (TR)
Package / Case100-LQFP
Mounting TypeSurface Mount
Speed120MHz
Program Memory Size512KB (512K x 8)
RAM Size128K x 8
Operating Temperature-40°C ~ 85°C (TA)
Oscillator TypeInternal
Program Memory TypeFLASH
EEPROM Size-
Core ProcessorARM® Cortex®-M4/M4F
Data ConvertersA/D 6x10b
Core Size32-Bit Dual-Core
Voltage - Supply (Vcc/Vdd)1.62V ~ 3.6V
ConnectivityEBI/EMI, I2C, IrDA, SPI, UART/USART
PeripheralsBrown-out Detect/Reset, DMA, LCD, POR, PWM, WDT
Supplier Device Package100-LQFP (14x14)
Number of I/O57
ProgrammableNot Verified

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Microcontroller FAQs

A microcontroller is a compact integrated circuit that combines a processor, memory, and input/output peripherals for embedded control applications.

Microcontrollers execute programmed instructions to process sensor inputs and control outputs such as motors, displays, and communication interfaces.

Microcontrollers are commonly used in:

  • Automotive systems
  • Robotics
  • IoT devices
  • Industrial automation
  • Household appliances
  • Smart electronics

Microcontrollers integrate memory and peripherals on-chip for dedicated tasks, while microprocessors are designed for higher-performance computing systems requiring external components.

Frequently Asked Questions

As a full line supplier, we specialize in sourcing obsolete and hard to find electronic components for your projects.

After we receive your request submission, one of our account executives will reach out to your team to gather more information about your project requirements and ensure we tailor the order to your needs.

Once requirements such as date codes, quantities, target prices, testing requirements, and more are discussed, our purchasing team will secure stock through Microchip USA’s direct access to manufacturing partners’ excess inventory lists.

Our operations teams will handle logistics and fulfillment to ensure supply chain continuity, and our support team will provide clear communication throughout the process.

Our net terms for electronic component sourcing are flexible and vary by order. Our account executives will work with you to ensure our terms meet your company’s needs. We also offer scheduled shipments and inventory management solutions to ensure a steady supply of electronic components, maintain cash flow, and maximize warranty periods. We always offer a warranty on all tested parts. See our sales terms and conditions for more information.

We partner with industry-leading AS6171 & AS6081-certified third party testing labs to mitigate risk and support a wide array of end uses for your company’s requirements. Testing includes but isn’t limited to: Decapsulation & Internal Dye Verification. X-Ray Inspection & Analysis, External Visual Inspection, Surface Texture Analysis (SEM), and Electrical Pin Correlation.