AT91SAM7S64-MU

Microcontrollers Overview

The AT91SAM7S64-MU is a Microchip Technology ARM microcontroller featuring an ARM7TDMI core in a QFN-64 package. It integrates 64 kB of program memory and 16 kB of data RAM. The device supports a maximum clock frequency of 55 MHz with a 32-bit/16-bit data bus width. It includes an 8-channel, 10-bit ADC and offers 32 I/O lines. Operating voltage ranges from 1.65 V to 1.95 V for the core, with analog supply at 3.3 V. Interfaces include I2C, SPI, USART, and USB. The component operates within a temperature range of -40°C to +85°C.

Microcontrollers Feature Summary

• Integrates an ARM7TDMI processor with embedded ICE circuitry for efficient debugging and code protection.
• Provides high-density Flash memory with fast programming interfaces and sector locking capabilities.
• Features multiple communication peripherals including USB, SPI, I2C, and dual UARTs for versatile connectivity.
• Includes advanced power management controllers supporting configurable sleep modes for optimized energy consumption.

Microcontrollers Applications

• Industrial harness intelligent inspection systems
• Battery-powered mobile devices requiring low power consumption
• Embedded systems utilizing LCD controller interfaces

Microcontrollers Procurement Notes

Verify the specific suffix 'MU' corresponds to the QFN-64 package configuration required for your design. Confirm that the operating voltage specifications align with your system's power rails. Ensure compliance with RoHS directives if applicable to your manufacturing standards. Check for moisture sensitivity levels during storage and handling procedures.

Microcontrollers Selection Notes

Select this component when a balance of processing power and peripheral integration is needed for cost-sensitive applications. The ARM7TDMI architecture offers a mature ecosystem with extensive software support. Consider the limited SRAM size for complex algorithm implementations. Evaluate the thermal performance requirements given the surface-mount packaging constraints.

Microcontrollers Part Context

This part belongs to the SAM7S/SE series of ARM-based microcontrollers designed by Microchip Technology. It represents a transition point for developers moving from 8-bit architectures to 32-bit RISC platforms. The series emphasizes reliability and low power operation suitable for industrial environments.

Microcontrollers Replacement Considerations

Consult official Microchip documentation for direct pin-to-pin or functional equivalents within the SAM7 family. Verify compatibility regarding memory sizes and peripheral availability before substitution.