AT91SAM9G45C-CU

Microprocessors Overview

The AT91SAM9G45C-CU is a 32-bit embedded microprocessor based on the ARM926EJ-S core, operating at a maximum frequency of 400 MHz. It features a 324-pin TFBGA package (15x15 mm) with a 0.8 mm ball pitch. The device includes 32 KB instruction and 32 KB data L1 caches, along with 64 KB internal SRAM and 64 KB ROM. Operating voltage ranges from 0.9 V to 1.1 V for the core, with I/O support for 1.8 V and 3.3 V. It functions within an industrial temperature range of -40°C to +85°C.

Microprocessors Feature Summary

• Integrates a 133 MHz multi-layer AHB bus matrix architecture with 37 DMA channels to maintain high bandwidth between the processor and peripherals.
• Supports multiple external memory types including DDR2, LPDDR, SDR, and SRAM via dedicated controllers and dual external bus interfaces.
• Provides integrated display capabilities through a 24-bit LCD controller supporting resolutions up to 1280x860 pixels and resistive touch screen control.
• Features configurable I/O voltages allowing independent selection of 1.8 V or 3.3 V levels without requiring external level shifters.

Microprocessors Applications

• Industrial automation systems such as PLCs and data acquisition terminals
• Medical devices requiring reliable embedded processing
• Smart terminal applications utilizing graphical user interfaces

Microprocessors Procurement Notes

Verify component authenticity by checking manufacturer markings against official datasheet specifications. Confirm RoHS compliance status and moisture sensitivity level prior to soldering. Ensure ESD protection protocols are followed during handling. Validate that the specific suffix matches the required packaging format for your assembly line.

Microprocessors Selection Notes

Select this component when a balance of processing power and peripheral integration is required for industrial environments. The ARM926EJ-S core offers sufficient performance for Linux-based applications while maintaining low power consumption. Consider the 324-pin BGA footprint for PCB layout constraints and verify thermal management requirements for the specified operating temperature range.

Microprocessors Part Context

This part belongs to the SAM9G series of Microchip Technology microprocessors. It is designed for embedded applications needing robust connectivity and display control. The series supports various operating systems including Linux and WinCE, providing a flexible platform for developers creating complex embedded solutions.

Microprocessors Replacement Considerations

AT91SAM9G45C-PU

Microprocessors FAQ

Does the AT91SAM9G45C-CU include a floating-point unit?

No, the ARM926EJ-S core does not include a floating-point unit (FPU).

What is the maximum resolution supported by the LCD controller?

The integrated LCD controller supports displays with a maximum resolution of 1280x860 pixels.