AT91SAM7X128-AU-999

Microcontrollers Overview

The AT91SAM7X128-AU-999 is a 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. It utilizes a 64-LQFP (10x10) package with 32 I/O lines. Power supply ranges from 1.65 V to 1.95 V, with an analog supply of 3.3 V. Operating temperature spans -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates an Ethernet MAC controller for network communication capabilities.
• Includes a USB 2.0 full-speed device interface for peripheral connectivity.
• Features a CAN controller compatible with CAN 2.0A/B protocols.
• Provides multiple serial communication interfaces including UART and SPI.

Microcontrollers Applications

• Industrial control systems requiring robust communication interfaces
• Data acquisition units with analog input requirements
• Embedded devices utilizing Ethernet or USB connectivity

Microcontrollers Procurement Notes

Verify the specific suffix and package type against official Microchip documentation to ensure compatibility with design specifications. Confirm availability status as product lifecycles may change. Cross-reference pinouts and electrical characteristics with the latest datasheet before integration into final hardware designs.

Microcontrollers Selection Notes

Select this component when an ARM7-based MCU with integrated Ethernet and USB interfaces is required. Consider the 55 MHz processing speed and memory sizes relative to application complexity. Ensure voltage levels and thermal requirements align with the target system environment and power budget constraints.

Microcontrollers Part Context

This part belongs to the AT91SAM7X family, designed for applications needing high-performance embedded control with networking capabilities. It builds upon the ARM7TDMI architecture, offering a balance of processing power and peripheral integration suitable for complex embedded tasks in industrial and consumer electronics sectors.

Microcontrollers Replacement Considerations

Consult official substitution lists for equivalent parts within the SAM7X family or newer ARM-based alternatives from Microchip. Verify pin-to-pin compatibility and software migration paths if replacing existing designs with updated components.