ATMEGA128-16ANR

Microcontrollers Overview

The ATMEGA128-16ANR is an 8-bit AVR microcontroller featuring 128KB of In-System Programmable Flash, 4KB EEPROM, and 4KB SRAM. It operates at speeds up to 16MHz with a supply voltage range of 4.5V to 5.5V. The device includes 53 programmable I/O lines, two USARTs, an SPI interface, an 8-channel 10-bit ADC, and JTAG debug support. It is housed in a 64-lead TQFP package.

Microcontrollers Feature Summary

• Advanced RISC architecture enabling single-cycle instruction execution
• In-system self-programmable Flash with read-while-write capabilities
• Comprehensive peripheral set including dual USARTs and multiple timers
• IEEE 1149.1 compliant JTAG interface for on-chip debugging

Microcontrollers Applications

• Industrial control systems requiring high-performance processing
• Embedded applications utilizing capacitive touch interfaces via QTouch library
• Complex embedded control solutions needing extensive memory and I/O
• Development platforms supporting in-circuit emulation and programming

Microcontrollers Procurement Notes

Verify the specific ordering code matches the required speed grade and package type. Confirm that the 4.5V to 5.5V operating voltage aligns with system power requirements. Ensure the TQFP package dimensions are compatible with the target PCB footprint. Check for RoHS compliance status if environmental regulations apply to the final assembly process.

Microcontrollers Selection Notes

Select this component when high code efficiency and low power consumption are critical. The architecture supports throughput approaching 1MIPS per MHz. Consider the ATmega103 compatibility mode if migrating legacy designs. Evaluate the available sleep modes for optimizing power usage in battery-operated applications requiring extended standby periods.

Microcontrollers Part Context

This part belongs to the ATmega family of 8-bit microcontrollers based on the AVR enhanced RISC architecture. It provides a cost-effective solution for embedded control by combining a CPU with non-volatile memory on a monolithic chip. The series supports various development tools including C compilers and in-circuit emulators for efficient system design.

Microcontrollers Replacement Considerations

ATMEGA128-16AU serves as a pin-compatible alternative within the same package family.