AT91SAM7XC128B-CU

Microcontrollers Overview

The AT91SAM7XC128B-CU is an ARM microcontroller from the SAM7X/XC series, manufactured by Microchip Technology. It features an ARM7TDMI core operating at a maximum clock frequency of 55 MHz. The device includes 128 kB of Flash program memory and 32 kB of SRAM data RAM. It utilizes a TFBGA-100 package with 62 I/O lines. Key interfaces include I2C, I2S, SPI, UART, USART, and USB. The unit supports a 10-bit ADC with 8 channels and operates within a temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates high-speed Flash memory for system in-programming via JTAG-ICE.
• Includes hardware encryption accelerators such as AES and Triple Data Encryption System.
• Provides comprehensive connectivity through Ethernet MAC, CAN controller, and USB 2.0 full-speed interface.
• Features embedded online emulator with debug communication channels and boundary scan support.

Microcontrollers Applications

• Industrial control systems requiring robust processing capabilities
• Embedded network devices utilizing integrated Ethernet MAC
• Data acquisition systems leveraging multiple analog input channels
• Secure applications utilizing built-in hardware encryption modules

Microcontrollers Procurement Notes

Verify component authenticity due to discontinued status. Confirm package integrity upon receipt. Check datasheet for specific ordering suffix requirements. Ensure compatibility with existing design infrastructure before procurement.

Microcontrollers Selection Notes

Evaluate performance against current Microchip alternatives. Consider pinout compatibility if replacing legacy designs. Assess supply chain stability for long-term production needs. Review updated documentation for any architectural changes in successor models.

Microcontrollers Part Context

This component belongs to the AT91SAM7X/XC family, designed for high-performance embedded applications. It combines a 32-bit RISC processor with extensive peripheral sets. The series targets cost-sensitive markets while maintaining industrial-grade reliability and feature density.

Microcontrollers Replacement Considerations

Consult official Microchip documentation for direct cross-references. Verify functional equivalence regarding memory size and peripheral availability. Ensure software compatibility when migrating to newer MCU generations.

Microcontrollers FAQ

Does this microcontroller support real-time debugging?

Yes, it integrates an embedded online emulator accessible via JTAG protocol for debugging and testing.

What encryption standards are supported in hardware?

The device includes dedicated hardware accelerators for Advanced Encryption System (AES) and Triple Data Encryption System (TDES).