AT91SAM9G15-CU-999

Microprocessors Overview

The AT91SAM9G15-CU-999 is a microprocessor 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 an LFBGA-217 package with 105 I/Os. The device includes 16 kB instruction cache, 16 kB data cache, 32 kB SRAM, and 64 kB ROM. It operates at a supply voltage of 1 V with I/O voltages of 1.8 V or 3.3 V. The component supports interfaces including SPI, UART, USB, and 2-Wire communication. It functions within a temperature range of -40°C to +85°C.

Microprocessors Feature Summary

• Integrates an ARM926EJ-S processor core for embedded control applications
• Provides multiple communication interfaces including USB, SPI, and UART
• Includes internal memory structures comprising SRAM, ROM, and L1 caches

Microprocessors Applications

• Industrial control systems requiring robust processing capabilities
• Consumer electronics utilizing ARM-based architectures
• Embedded devices needing integrated USB connectivity

Microprocessors Procurement Notes

Verify the specific suffix '999' against official Microchip documentation to confirm packaging configuration, as standard datasheets may list different tray or reel specifications. Ensure compatibility with required voltage levels and interface protocols before integration. Confirm current availability status directly with the manufacturer or authorized distributors, as lead times and stock levels fluctuate.

Microprocessors Selection Notes

Select this component when an ARM926EJ-S core with 400 MHz performance is required in an LFBGA-217 package. Consider the available 32 kB SRAM and 64 kB ROM for application memory constraints. Verify that the 1 V core voltage and 1.8/3.3 V I/O requirements align with the system power design. Evaluate interface needs against the supported SPI, UART, and USB controllers.

Microprocessors Part Context

This part belongs to the AT91SAM9G series of microprocessors from Microchip Technology. These devices are designed for high-performance embedded applications using the ARM9 architecture. The series typically offers various memory configurations and package options to suit different system requirements while maintaining compatibility with the SAM9 software framework.

Microprocessors Replacement Considerations

Consult Microchip's official migration guides for potential substitutes within the AT91SAM9 family. Verify pinout and electrical parameter compatibility before replacing. No specific public substitute part numbers are confirmed for direct replacement without detailed engineering review.