AT91SAM9X25-CU-999

Microprocessors Overview

The AT91SAM9X25-CU-999 is a microprocessor unit based on the ARM926EJ-S core, operating at a maximum clock frequency of 400 MHz. It features a 32-bit data bus width and utilizes a BGA-217 package with surface mount installation. The device includes 16 kB L1 instruction cache and 16 kB L1 data cache, alongside 32 kB internal SRAM and 64 kB ROM. It supports I/O voltages of 1.8 V and 3.3 V, operates within a temperature range of -40°C to +85°C, and provides 105 programmable I/O lines.

Microprocessors Feature Summary

• Integrates an ARM926EJ-S processor core for embedded control applications
• Includes dedicated memory controllers supporting DDR2, SDRAM, and SRAM external interfaces
• Provides multiple communication peripherals including Ethernet, USB, SPI, I2C, and UART

Microprocessors Applications

• Industrial automation systems
• Medical equipment
• IoT gateways
• Consumer electronics

Microprocessors Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors or direct channels. Confirm RoHS compliance status and specific packaging requirements such as cut tape or reel options prior to ordering. Ensure supply chain stability by checking current availability and lead times with verified suppliers.

Microprocessors Selection Notes

Select this model when an ARM9-based solution with integrated Ethernet and USB connectivity is required. Consider the 400 MHz processing speed and available peripheral set against system performance needs. Evaluate the BGA-217 footprint constraints and thermal management requirements for the target application environment.

Microprocessors Part Context

This component belongs to the AT91SAM9X series of microprocessors designed for low-power, high-performance embedded applications. It shares architectural similarities with other SAM9G and SAM9M series devices but offers specific interface configurations tailored for industrial and consumer markets.

Microprocessors Replacement Considerations

Consult official Microchip documentation for qualified replacement part numbers. Verify pin compatibility and electrical specifications before substituting with alternative components from the same manufacturer family.