ATSAM4C4CB-AU

Overview

The ATSAM4C4CB-AU is a 32-bit microcontroller from the SAM4C series, manufactured by Microchip Technology. It features a dual-core ARM Cortex-M4/M4F processor architecture with a maximum clock frequency of 120 MHz. The device integrates 512 kB of Flash program memory and 304 kB of SRAM data RAM. It operates within a supply voltage range of 1.62 V to 3.6 V and supports an industrial temperature range from -40°C to +85°C. The component is housed in a 144-LQFP package and provides 106 general-purpose I/O pins. Peripheral interfaces include EBI/EMI, I2C, IrDA, SPI, UART/USART, and USB.

Feature Summary

• Dual-core ARM Cortex-M4/M4F architecture for integrated application and security processing
• On-chip cache support for each processor core to enhance execution performance
• External bus interface (EBI/EMI) capability for expanding program and data memory
• Integrated hardware cryptographic engine for secure communication applications

Applications

• Smart energy metering systems requiring high computational throughput
• Industrial automation controllers with complex logic requirements
• Secure communication gateways utilizing hardware encryption
• Automotive infotainment and body control modules

Procurement Notes

Verify the specific suffix 'AU' confirms RoHS compliance and lead-free status as per Microchip standards. Confirm package integrity for the 144-LQFP form factor upon receipt. Check manufacturing date codes against project lifecycle requirements, as availability may vary. Ensure static-sensitive handling protocols are followed during storage and assembly. Validate pinout compatibility with existing PCB layouts before finalizing procurement orders.

Selection Notes

Select this component when dual-core processing power and extensive I/O count are required. The 120 MHz speed suits applications needing real-time response alongside background tasks. Consider the 144-pin package size constraints relative to board space. Evaluate the need for external memory expansion via EBI if internal storage limits are reached. Compare power consumption profiles against lower-end SAM4C variants if battery operation is critical.

Part Context

This part belongs to the SAM4C family, designed for high-performance embedded applications. It shares architectural similarities with other SAM4C devices but offers specific memory and pin configurations. The dual-core design distinguishes it from single-core counterparts like the SAM4S or SAM4L series. It targets markets demanding robust security features and high-speed data processing capabilities within a single integrated circuit solution.

Replacement Considerations

Direct substitutes within the same package and pinout include other SAM4C variants with matching memory sizes, such as ATSAM4C32EA-AU for reduced capacity or ATSAM4C64EA-AU for increased capacity. Verify peripheral compatibility and software library support when migrating between different memory densities within the SAM4C family.