ATMEGA88-20MJ

Microcontrollers Overview

The ATMEGA88-20MJ is an 8-bit AVR microcontroller featuring 8 KB of In-System Programmable Flash, 512 bytes of EEPROM, and 1 KB of SRAM. It operates at a maximum clock frequency of 20 MHz with a supply voltage range of 2.7 V to 5.5 V. The device includes 23 programmable I/O lines, an 8-channel 10-bit ADC, three timer/counters, and interfaces including SPI, USART, and TWI. It is housed in a 32-pad QFN/MLF package and supports five sleep modes for power optimization.

Microcontrollers Feature Summary

• Advanced RISC architecture enabling single-cycle instruction execution and up to 20 MIPS throughput.
• Non-volatile memory system with Read-While-Write capabilities for Flash and high endurance EEPROM.
• Integrated peripheral suite including multi-channel ADC, analog comparator, and multiple serial communication interfaces.
• Low-power operation with five selectable sleep modes and internal calibrated oscillator.

Microcontrollers Applications

• Embedded control systems requiring non-volatile data storage
• Sensor interface applications utilizing the on-chip ADC
• Battery-powered devices leveraging low-power sleep modes
• Industrial monitoring using serial communication protocols

Microcontrollers Procurement Notes

Verify the specific suffix MJ corresponds to the 32-pad QFN/MLF package configuration. Confirm the operating voltage range matches the standard ATmega88 specification (2.7V–5.5V) rather than the V-series variant. Ensure compatibility with development tools supporting the AVR architecture and ISP programming interfaces.

Microcontrollers Selection Notes

Select this component for designs requiring 8 KB of program memory and 23 I/O lines in a compact surface-mount package. Consider the 20 MHz speed grade for applications needing higher processing throughput within the 2.7 V to 5.5 V supply range. Evaluate the need for the specific QFN/MLF thermal pad grounding requirements during PCB layout.

Microcontrollers Part Context

This part belongs to the ATmega48/88/168 family of 8-bit AVR microcontrollers. It shares the same core architecture and peripheral set as the ATmega48 and ATmega168, differing primarily in memory sizes. The ATmega88 provides a balance between code space and pin count suitable for mid-range embedded applications.

Microcontrollers Replacement Considerations

ATMEGA88A-MJ

Microcontrollers FAQ

What is the difference between ATmega88 and ATmega88V regarding voltage?

The ATmega88 operates at 2.7 V to 5.5 V, while the ATmega88V supports a lower minimum voltage of 1.8 V.

Does the ATmega88 support Read-While-Write operations?

Yes, the ATmega88 supports true Read-While-Write self-programming via its Boot Code Section.