Manufacturer Part Number

ATSAM4CMP8CB-AU

Description

32-bit dual-core microcontroller from Microchip Technology, part of the SAM4CM series. Features ARM® Cortex®-M4/M4F cores running at 120MHz, with 512KB of flash memory and 128KB of RAM. Comes in a 100-pin LQFP package sized 14x14 mm. Includes multiple communication interfaces (EBI/EMI, I2C, IrDA, SPI, UART/USART) and integrated peripherals like DMA, PWM, LCD controller, watchdog timer, brown-out detect/reset, and power-on reset. Designed for embedded applications requiring medium to high processing power. Operating voltage range is 1.62V to 3.6V with an operating temperature from -40°C to 85°C. Status: Obsolete.

Specifications

Core: ARM Cortex-M4/M4F dual-core, 32-bit

Clock Speed: 120 MHz

Flash Memory: 512KB (512K x 8)

RAM: 128KB (128K x 8)

Number of I/O Pins: 52

Package: 100-LQFP (14x14 mm) surface mount

Voltage Supply: 1.62V to 3.6V

Data Converters: 6-channel 10-bit ADC

Oscillator: Internal

Operating Temperature: -40°C to 85°C

Peripherals: Brown-out detect/reset, DMA controller, LCD controller, Power-On Reset, PWM, watchdog timer (WDT)

Connectivity Interfaces: EBI/EMI, I2C, IrDA, SPI, UART/USART

RoHS compliant (ROHS3)

Moisture Sensitivity Level (MSL): 3 (168 hours)

REACH Status: Unaffected

ECCN: 5A992C

HTSUS Code: 8542.31.0001

Device Structure

32-bit dual ARM Cortex-M4/M4F cores integrated into a single microcontroller die. On-chip flash memory and RAM with multiple I/O ports and communication peripherals. Packaged in a 100-pin LQFP, enabling surface mount technology for compact circuit board design. Internal oscillator for clocking and power management features included for embedded control applications.

Performance Characteristics

High processing performance at 120MHz with dual-core architecture for parallel task execution. Low power consumption with supply voltage ranging from 1.62V to 3.6V. Supports real-time control and signal processing with integrated ADC and PWM modules. Reliable operation over industrial temperature ranges (-40°C to 85°C). Multiple interfaces allow flexible connectivity options.

Application Environments

Suitable for embedded systems in industrial, consumer, automotive, and IoT devices. Ideal for applications requiring advanced control, motor control, human-machine interface (HMI) with LCD, communication with multiple serial interfaces, and low power operation. Environmentally stable for use in temperature-varied conditions and surface mount assembly lines.

Selection Guidelines

Use this MCU when requiring medium to high computational power with integrated peripherals in a small, surface-mount package. Suitable for designs needing multiple communication protocols and analog inputs. Consider device status (obsolete) when planning long-term production; verify final application lifecycle needs. Check supply voltage and temperature operation range alignment with target system.

Usage Considerations

Due to its obsolete status, confirm availability before design commitment. Ensure proper handling per moisture sensitivity level 3 (store and handle accordingly). Verify peripheral requirements and compatibility with development tools. Consider alternative models for newer designs or extended support. Use internal oscillator or provide external clock when necessary. Implement brown-out and watchdog features for enhanced system reliability.

Potential Equivalent/Replacement Models

There is at least one potential substitute: ATSAM4CMP8CC-AU. Customers should evaluate this alternative for pin compatibility and feature match. For additional substitutes or updated models, contact the Ariat-Tech sales team via their website for personalized assistance and the latest availability information.

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