AT91SAM7X128-CU

Microcontrollers Overview

The AT91SAM7X128-CU is a 32-bit microcontroller based on the ARM7TDMI core, manufactured by Microchip Technology. It features 128KB of Flash program memory and 32KB of SRAM. The device operates at a maximum clock frequency of 55MHz and supports a supply voltage range of 1.65V to 1.95V. It is housed in a 100-pin TFBGA package with dimensions of 9x9mm. The component includes an internal oscillator, eight 10-bit ADC channels, and 62 programmable I/O lines. Operating temperatures range from -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates a 10/100Mbps Ethernet MAC controller for network connectivity.
• Includes a CAN bus controller compatible with CAN 2.0A/B protocols.
• Features a USB 2.0 full-speed device interface.
• Provides hardware encryption acceleration via AES and Triple Data Encryption Standard.

Microcontrollers Applications

• Industrial control systems requiring robust communication interfaces.
• Data acquisition units utilizing multiple analog input channels.
• Embedded devices implementing secure data transmission protocols.

Microcontrollers Procurement Notes

Verify the specific suffix 'CU' against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-TFBGA configuration. Check for any recent product change notices regarding pinout or electrical characteristics before finalizing procurement.

Microcontrollers Selection Notes

Select this component when a balance of processing power and peripheral integration is required within a compact surface-mount package. The ARM7TDMI core offers efficient code execution for real-time applications. Consider the limited supply voltage range and ensure adequate power management circuitry is designed into the system.

Microcontrollers Part Context

This part belongs to the AT91SAM7X series of high-performance 32-bit Flash microcontrollers. The series is designed for applications demanding extensive connectivity options such as Ethernet and USB. It serves as a solution for complex embedded tasks where deterministic performance and low power consumption are critical.

Microcontrollers Replacement Considerations

Consult official substitution lists for variants with different memory sizes or packages within the SAM7X family. Verify that alternative components maintain identical pinouts and electrical specifications to ensure board-level compatibility without redesign.