ATMEGA88PA-MU

Overview

The ATMEGA88PA-MU is an 8-bit AVR microcontroller featuring 8 kB of in-system programmable Flash memory, 1 kB of SRAM, and 512 B of EEPROM. It operates within a voltage range of 1.8 V to 5.5 V and supports a maximum clock frequency of 20 MHz. The device includes 23 general-purpose I/O lines, an 8-channel 10-bit ADC, and standard communication interfaces such as SPI, TWI, and UART. It is housed in a 32-lead QFN package and functions reliably across a temperature range of -40°C to +85°C.

Feature Summary

• Integrates non-volatile Flash, EEPROM, and SRAM for data retention and processing.
• Provides multiple communication protocols including SPI, TWI, and USART.
• Includes an 8-channel 10-bit analog-to-digital converter for sensor interfacing.
• Supports low-power operation with various sleep modes and brown-out detection.

Applications

• Embedded control systems requiring low power consumption
• Industrial monitoring devices with sensor inputs
• Consumer electronics utilizing serial communication

Procurement Notes

Verify the specific suffix MU corresponds to the QFN-32 package when sourcing. Confirm RoHS compliance status through official Microchip documentation or authorized distributor datasheets prior to integration. Ensure handling procedures account for moisture sensitivity levels indicated in the manufacturing specifications.

Selection Notes

Select this component for applications needing moderate program storage and multiple I/O lines in a compact surface-mount form factor. Compare against the ATMEGA88P if higher performance without the 'A' (low power) designation is acceptable. Verify pin compatibility with existing PCB layouts designed for the QFN-32 footprint.

Part Context

This part belongs to the ATmega88PA family, which are enhanced low-power CMOS 8-bit microcontrollers based on the AVR RISC architecture. The PA series specifically offers improved power efficiency compared to standard variants while maintaining functional compatibility with the broader ATmega88 product line.

Replacement Considerations

ATMEGA88PA-AU (TQFP package), ATMEGA88PA-MN (MLF package). Verify package dimensions and pinout alignment before substitution.