AT91SAM9N12-CUR

Microprocessors Overview

The AT91SAM9N12-CUR is a microprocessor unit based on the ARM926EJ-S core, operating at a maximum frequency of 400 MHz. It features a 32-bit data bus width and includes 16 kB L1 instruction cache, 16 kB L1 data cache, 32 kB data RAM, and 128 kB data ROM. The device supports LPDDR, LPDDR2, DDR2, SDR, and SRAM controllers. It utilizes a 217-LFBGA package with dimensions of 15x15 mm and operates within a temperature range of -40°C to +85°C.

Microprocessors Feature Summary

• Integrates an ARM926EJ-S processor core for embedded computing tasks
• Supports multiple memory controller types including LPDDR2 and DDR2
• Provides extensive peripheral interfaces such as USB 2.0, I2C, SPI, and UART

Microprocessors Applications

• Industrial control systems requiring robust processing capabilities
• Consumer electronics utilizing LCD and touch screen interfaces
• Embedded applications needing reliable connectivity via USB and serial ports

Microprocessors Procurement Notes

Verify the specific suffix 'CUR' against the manufacturer's current datasheet to confirm package type and temperature grade. Ensure compatibility with required voltage levels (1.8V/3.3V) and interface standards before integration. Cross-reference part numbers with official Microchip documentation to avoid substitution errors due to minor designation changes.

Microprocessors Selection Notes

Select this component when an ARM9-based solution with high-speed memory support is required. Consider the 217-LFBGA package constraints for PCB layout. Evaluate if the integrated peripherals meet system interface needs without external controllers. Confirm thermal requirements align with the industrial temperature range specifications provided in the official documentation.

Microprocessors Part Context

This part belongs to the SAM9N series of microprocessors from Microchip Technology. It is designed for applications demanding efficient processing power combined with versatile connectivity options. The series typically targets cost-sensitive embedded markets while maintaining performance through optimized architecture and integrated memory controllers.

Microprocessors Replacement Considerations

Consult official Microchip documentation for verified pin-to-pin or functional substitutes within the SAM9 family. Do not assume compatibility with other ARM cores without detailed electrical and software verification.