MCF5249LPV120

Microcontrollers Overview

The MCF5249LPV120 is a 32-bit ColdFire V2 microcontroller in a 144-LQFP package, qualified for operation at 120 MHz. It features an integrated Enhanced Multiply-Accumulate (EMAC) unit and 96 Kbytes of on-chip SRAM split into two banks. The device operates with a 1.8V core supply and 3.3V I/O levels. Connectivity includes dual UARTs, dual I2C modules, QSPI, IDE/SmartMedia interfaces, and four serial audio interfaces compliant with IIS/EIAJ standards. An analog-to-digital converter with four muxed inputs is also provided.

Microcontrollers Feature Summary

• Integrated hardware CD-ROM decoder and encoder supporting sector sync recognition, descrambling, scrambling, and CRC checksum verification.
• Enhanced Multiply-Accumulate (EMAC) unit providing single-cycle multiply-accumulate operations for DSP applications.
• Serial Audio Interface supporting IEC958 digital audio protocols and Philips IIS/Sony EIAJ formats.
• Queued Serial Peripheral Interface (QSPI) allowing up to 16 stacked transfers without CPU intervention.

Microcontrollers Applications

• System controller for portable MP3 and CD players
• MP3 decode and file management systems
• General-purpose system controllers replacing combined MCU and DSP roles

Microcontrollers Procurement Notes

Verify component authenticity through authorized NXP channels due to obsolete status. Confirm RoHS compliance requirements as the datasheet indicates non-compliance. Validate package integrity for the 144-LQFP form factor before integration. Ensure design accounts for the specific 1.8V core and 3.3V I/O voltage domains defined in the product brief.

Microcontrollers Selection Notes

Select this part when a 120 MHz ColdFire V2 core with integrated EMAC is required for signal processing tasks. The 144-LQFP package suits designs needing a smaller footprint than the 160-pin MAPBGA variant. Consider the external crystal oscillator requirement and the absence of internal flash memory when defining system architecture.

Microcontrollers Part Context

This component belongs to the MCF524x series of ColdFire V2 microcontrollers. It shares the same core architecture and peripheral set as other variants like the MCF5249CVF140, differing primarily in package type and maximum qualified clock speed. The LPV suffix denotes the 144-LQFP plastic package configuration.

Microcontrollers Replacement Considerations

MCF5249CVF140: Offers identical functionality in a 160-MAPBGA package with a higher qualified speed of 140 MHz.

Microcontrollers FAQ

Does the MCF5249LPV120 contain internal program memory?

No, the MCF5249LPV120 is ROMless and relies on external FLASH/ROM connected via chip select CS0 for boot-up and code execution.

What is the maximum operating frequency for the 144-LQFP package?

The 144-LQFP package version of the MCF5249 is qualified for operation up to 120 MHz.