AT91SAM9M11-CU

Microprocessors Overview

The AT91SAM9M11-CU is a microprocessor IC based on the ARM926EJ-S core, belonging to the SAM9M series. It features a single 32-bit core operating at a maximum clock frequency of 400 MHz. The device utilizes a 324-TFBGA (15x15) package with a lead count of 324. Internal memory includes 128 kB of data ROM and 32 kB of data RAM, supplemented by L1 cache instruction and data memories of 16 kB each. It supports I/O voltages of 1.8 V and 3.3 V, with a working supply voltage of 1 V. The component operates within a temperature range of -40°C to +85°C.

Microprocessors Feature Summary

• Integrates an ARM926EJ-S processor core for embedded control applications
• Includes dedicated hardware security features such as secure boot capabilities
• Provides multiple interface options including USB 2.0, UART, and Ethernet support

Microprocessors Applications

• Industrial automation controllers
• Consumer electronics devices requiring secure boot
• Embedded systems with USB connectivity needs

Microprocessors Procurement Notes

Verify the specific revision level and packaging configuration before ordering, as availability may vary. Confirm that the selected variant meets all environmental and electrical requirements for the target application. Check for any end-of-life notifications or recommended replacement parts from the manufacturer to ensure long-term supply chain stability.

Microprocessors Selection Notes

Select this component when an ARM9-based solution with integrated security features is required. Ensure the design accommodates the TFBGA package footprint and thermal characteristics. Verify that the available I/O count and interface peripherals meet the system's communication and control demands without requiring additional external controllers.

Microprocessors Part Context

This part belongs to Microchip's SAM9 family of microprocessors, which are designed for high-performance embedded applications. The SAM9 series typically integrates processor cores with peripheral interfaces and security modules, targeting markets such as industrial, medical, and consumer electronics where reliability and secure operation are critical.

Microprocessors Replacement Considerations

Consult official Microchip documentation for direct pin-to-pin replacements or functional equivalents within the SAM9 family. Verify compatibility regarding package dimensions, pin assignments, and software support before substituting.