AT90S8515A-4AI

Microcontrollers Overview

The AT90S8515A-4AI is a low-power CMOS 8-bit microcontroller based on the AVR RISC architecture. It features 8K bytes of In-System Programmable Flash, 512 bytes of EEPROM, and 512 bytes of SRAM. The device operates at speeds up to 4 MHz with supply voltages ranging from 2.7V to 6.0V. It includes 32 programmable I/O lines, two timer/counters, a serial UART, SPI interface, and an analog comparator. The component is housed in a 44-lead TQFP package.

Microcontrollers Feature Summary

• Executes powerful instructions in a single clock cycle for high throughput efficiency.
• Supports In-System Programming via SPI serial interface or conventional programmers.
• Integrates flexible timer/counters with compare modes and dual PWM capabilities.
• Provides multiple power-saving modes including Idle and Power-down states.

Microcontrollers Applications

• Embedded control systems requiring nonvolatile program storage
• Industrial applications utilizing serial communication interfaces
• Battery-powered devices leveraging low-power operational modes

Microcontrollers Procurement Notes

Verify the specific suffix 'A-4AI' against official Microchip documentation to confirm the 4 MHz speed grade and TQFP package type. Ensure compatibility with development tools such as Atmel Studio. Confirm current availability status as older AVR series components may have limited production runs.

Microcontrollers Selection Notes

Select this component when a robust 8-bit solution with substantial onboard Flash memory is required. The 4 MHz speed grade suits applications where moderate processing power meets strict voltage constraints. Consider the 44-pin TQFP form factor for surface-mount designs needing extensive I/O connectivity.

Microcontrollers Part Context

This microcontroller belongs to the AVR family, known for combining a rich instruction set with efficient power consumption. The AT90S8515 variant specifically targets applications needing significant data retention capabilities alongside standard peripheral interfaces, bridging the gap between basic 8-bit controllers and more complex architectures.

Microcontrollers Replacement Considerations

Consult official substitution guides for compatible AVR models. Verify pinout compatibility and software register mapping before transitioning to alternative part numbers within the same manufacturer's portfolio.