NXP Semiconductors MC56F80626VLF

Overview

MC56F80626VLF from NXP Semiconductors is a 32-bit digital signal controller (DSC) based on the 56800EF core, delivering 100 MIPS at 100 MHz. It integrates DSP and MCU functionality with dual 12-bit ADCs (14-channel each), eFlexPWM with up to 8 channels at 312 ps resolution, and on-chip 32 KB flash / 6 KB RAM. Designed for industrial motor control and solar inverter systems requiring real-time analog feedback and high-resolution PWM timing.

For engineers reviewing the MC56F80626VLF datasheet, MC56F80626VLF pinout, MC56F80626VLF application, or MC56F80626VLF equivalent, key selection criteria include V grade temperature range (–40°C to +105°C), 64-pin LQFP package, 2.7–3.6 V single-supply operation, integrated eFPU and CORDIC engine, and LIN-capable QSCI interfaces for embedded power electronics control.

Technical Context

The MC56F80626VLF implements the 56800EF core with modified dual-Harvard architecture-three address buses and four data buses enabling concurrent instruction fetch and dual data access per cycle. Its eFPU supports IEEE 754-2008 single-precision operations including sqrt, min/max, and format conversions; the CORDIC engine computes trigonometric and hyperbolic functions in Q5.27 fixed-point format.

Peripherals are tightly coupled via an inter-module crossbar and event generator: ADC conversions synchronize to eFlexPWM triggers, comparator outputs feed into PWM fault protection, and PIT timers drive quadrature decoding or periodic system monitoring-all without CPU intervention. The device supports full PMBus over LPI2C and LIN slave mode on QSCI for interoperability in smart power systems.

Key Specifications

Pinout & Package

MC56F80626VLF uses a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are multiplexed via GPIOx_PER and SIM GPSx registers; all pins default to GPIO input after reset except JTAG and RESET_B.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar digital signal controller applications.

Compared with MC56F80748VLF, the MC56F80626VLF reduces flash/RAM capacity and peripheral count to lower unit cost while retaining identical PWM precision and analog subsystem performance-making it ideal for cost-sensitive, single-power-stage applications. Against dsPIC33CK256MP508-I/M8, it trades CAN FD and larger memory for tighter PWM timing control and simpler power delivery, better matching solar microinverter and appliance motor control requirements.

Availability

MC56F80626VLF is available at Aetrix Electronics and suitable for industrial motor drives, solar inverters, and uninterruptible power supplies requiring stable component supply across extended product lifecycles and temperature ranges.

Supply support for MC56F80626VLF includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets.

The MC56F80xxx family targets high-performance embedded control in power electronics, combining DSP-level math acceleration with MCU-level peripheral integration for real-time motor and energy conversion systems.

FAQ

What is the maximum operating frequency and core architecture of the MC56F80626VLF?

The MC56F80626VLF features a 32-bit 56800EF digital signal controller core rated for 100 MHz operation, delivering up to 100 MIPS. Its modified dual-Harvard architecture includes three address buses and four data buses, enabling concurrent instruction fetch and dual data accesses per cycle-essential for deterministic real-time control loops in motor and power applications.

Does the MC56F80626VLF support hardware-accelerated mathematical functions?

Yes, the MC56F80626VLF integrates an enhanced Floating Point Unit (eFPU) compliant with IEEE 754-2008 and a COordinate Rotation DIgital Compute (CORDIC) engine. These accelerate sin/cos, sqrt, atan2, and hyperbolic functions in hardware using Q5.27 fixed-point arithmetic-reducing computation latency for field-oriented control and sensor fusion algorithms by over 60% versus software-only execution.

What analog peripherals are integrated into the MC56F80626VLF?

The MC56F80626VLF includes two independent 12-bit cyclic ADCs (14-channel each) with programmable x1/x2/x4 pre-amplifiers, three rail-to-rail analog comparators with integrated 8-bit DAC references, two operational amplifiers configurable as PGA or filter, and an on-chip temperature sensor-all operating from a dedicated VDDA/VSSA domain to ensure <1 LSB INL accuracy under noise-critical conditions.

What PWM capabilities does the MC56F80626VLF provide for power electronics?

The MC56F80626VLF features an eFlexPWM module supporting up to 8 outputs with NanoEdge 312 ps edge placement resolution. It enables center-aligned, edge-aligned, and asymmetrical PWM generation with independent deadtime insertion per complementary pair, fractional delay control, and hardware-synchronized fault response-meeting tight timing requirements for SiC and GaN-based inverters operating above 100 kHz.

Which communication interfaces are available on the MC56F80626VLF?

The MC56F80626VLF provides two queued SCI (QSCI) modules with LIN slave support, one queued SPI (QSPI) interface, and one Low-Power I²C (LPI2C) module supporting Standard, Fast, Fast+, and Ultra Fast modes plus full PMBus compliance. These interfaces enable robust communication with sensors, gate drivers, battery monitors, and supervisory controllers in industrial and renewable energy systems.