MC56F81866VLF

Digital Signal Processor Dsp Overview

The MC56F81866VLF is a digital signal controller (DSC) from NXP Semiconductors, part of the 56F81xxx family. It utilizes the 32-bit 56800EX core, delivering up to 100 MIPS at a 100 MHz core frequency in fast mode. The device integrates 128 KB of flash memory and 20 KB of data/program RAM. It operates on a single 3.3 V supply within a voltage range of 2.7 V to 3.6 V. The component supports an ambient operating temperature range of -40°C to +105°C and is housed in a 48-pin LQFP package.

Digital Signal Processor Dsp Feature Summary

• 32-bit 56800EX DSP core with dual Harvard architecture supporting concurrent instruction fetches and dual data accesses.
• Integrated peripherals include two 12-bit ADCs with programmable gain amplifiers, one 12-bit DAC, and four analog comparators.
• High-resolution eFlexPWM module featuring NanoEdge technology for 312 ps resolution on eight channels.
• Communication interfaces comprising two QSCI modules with LIN slave support, one QSPI, and two LPI2C modules.

Digital Signal Processor Dsp Applications

• Industrial control systems
• Motion control applications
• Home appliances
• General-purpose inverters
• Smart sensors and security systems

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type and temperature rating. Ensure compatibility with design requirements for the 48-pin LQFP form factor. Confirm that the 2.7 V to 3.6 V supply range aligns with the target power infrastructure. Check for any recent revision updates to the datasheet regarding pinout or electrical characteristics.

Digital Signal Processor Dsp Selection Notes

Select this model when high-performance DSP capabilities are required alongside MCU functionality in a compact footprint. The 128 KB flash and 20 KB RAM provide sufficient resources for complex control algorithms. The inclusion of NanoEdge PWM and multiple communication interfaces makes it suitable for applications demanding precise timing and robust connectivity. Consider the 48-pin package constraints during PCB layout planning.

Digital Signal Processor Dsp Part Context

This component belongs to the MC56F81xxx series, which is based on the 56800EX core. The family offers varying memory configurations and peripheral sets across different pin counts, including 64-pin, 48-pin, and 32-pin packages. The MC56F81866VLF specifically represents the 128 KB flash variant in the 48-pin LQFP configuration, designed for applications requiring substantial processing power and extensive I/O options.

Digital Signal Processor Dsp Replacement Considerations

Direct substitutes within the same family include other MC56F81xxx variants with compatible pinouts and core architectures. Verify memory size and peripheral availability when considering alternatives such as the MC56F81766 or MC56F81666. Ensure that any replacement maintains the 56800EX core compatibility for software portability.