ST72F561AR9T3

Microcontrollers Overview

The ST72F561AR9T3 is an 8-bit microcontroller from the STMicroelectronics ST7 series. It features a maximum operating frequency of 8MHz and includes 60KB (60K x 8) of Flash program memory. The device provides 2KB (2K x 8) of RAM and supports up to 24 I/O lines. It operates within a supply voltage range of 3.8V to 5.5V and is housed in a 32-LQFP surface-mount package. The component integrates six 10-bit analog-to-digital converters and supports communication interfaces including CANbus, LIN, SCI, and SPI.

Microcontrollers Feature Summary

• Integrates high-capacity non-volatile Flash memory for robust code storage
• Supports automotive-grade communication protocols such as CANbus and LIN
• Includes multiple analog-to-digital conversion channels for sensor interfacing
• Provides comprehensive peripheral set including PWM and watchdog timer

Microcontrollers Applications

• Automotive body electronics control modules
• Industrial motor control systems
• Consumer appliance logic controllers
• General-purpose embedded data acquisition systems

Microcontrollers Procurement Notes

Verify the specific suffix 'A' against official datasheets to confirm pinout compatibility and electrical characteristics, as variations may exist within the ST7 family. Confirm RoHS compliance status with current manufacturer documentation. Check for end-of-life or obsolescence notices prior to finalizing design-in decisions. Ensure ESD handling procedures are followed during assembly due to CMOS technology sensitivity.

Microcontrollers Selection Notes

Select this component when designing systems requiring integrated CAN/LIN connectivity alongside moderate processing power. The 8MHz speed and 60KB Flash suit applications needing substantial code space without external memory. Evaluate thermal performance requirements against the -40°C to 125°C operating range. Compare pin counts and peripheral availability against alternative ST7 variants to ensure optimal resource utilization for the target application.

Microcontrollers Part Context

This part belongs to the ST72F5xx series of 8-bit microcontrollers designed for cost-sensitive and high-volume applications. The ST7 architecture emphasizes efficiency and low power consumption while maintaining sufficient processing capability for complex control tasks. This specific model represents a higher-memory variant within the family, suitable for applications demanding extensive program storage and multiple communication interfaces.

Microcontrollers Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that any replacement maintains identical pinout, voltage ranges, and peripheral functionality. Ensure the alternative component meets the same environmental and reliability standards required by the original design specifications.