NXP Semiconductors MC56F8025VLD

Overview

MC56F8025VLD from NXP (formerly Freescale) is a 16-bit Digital Signal Controller (DSC) combining DSP and MCU functionality in a single chip, featuring a 56800E core delivering up to 32 MIPS at 32 MHz, 32 KB program flash, 4 KB unified RAM, dual 12-bit ADCs (2.67 MSPS), six-channel PWM, and on-chip PLL - deployed in motor control, inverters, and industrial power conversion systems.

For engineers reviewing the MC56F8025VLD datasheet, MC56F8025VLD pinout, MC56F8025VLD application, or MC56F8025VLD equivalent, this page provides verified technical context, validated pin functions, confirmed peripheral timing specs, and real-world application mappings - all derived from Freescale's Rev. 6 datasheet and official package documentation for the 44-pin LQFP variant.

Technical Context

The MC56F8025VLD implements a dual-Harvard 56800E core with parallel ALU, MAC, and bit-manipulation units enabling single-cycle 16×16 multiply-accumulate operations and hardware DO/REP loops. Its unified memory architecture supports simultaneous program/data access, while the System Integration Module (SIM) manages clock generation via PLL (up to 32 MHz core), relaxation oscillator (200 kHz standby), and external crystal/ceramic sources.

Peripheral integration includes two independent 12-bit ADCs with 4-channel inputs each, synchronized sampling triggered by PWM or timers; two 12-bit DACs with 2 µs rail-to-rail settling; six PWM outputs with fault protection, center/edge alignment, and programmable source selection (GPIO, comparator, ADC limit); plus QSCI (LIN slave), QSPI, I2C, quad timer, and three PITs - all individually power-controllable.

Key Specifications

Pinout & Package

MC56F8025VLD is housed in a 44-pin LQFP (7 mm × 7 mm, 0.8 mm pitch) package with exposed thermal pad. Pin functions are multiplexed across GPIO, PWM, ADC, timer, communication, and debug interfaces - configuration controlled via SIM and peripheral registers after reset.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC56F8035VLD, the MC56F8025VLD offers identical peripheral functionality at half the Flash/RAM capacity - ideal for cost-sensitive, memory-constrained motor control. Compared with dsPIC33EP256MU806, it provides lower gate count and simpler toolchain integration but lacks extended PWM channel count and memory scalability.

Availability

MC56F8025VLD is available at Aetrix Electronics and suitable for industrial motor control, switched-mode power supplies, and home appliance inverters requiring stable component supply, long-term lifecycle assurance, and full traceability.

Supply support for MC56F8025VLD 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 acquired Freescale in 2015 and maintains full support for the 56800E-based DSC portfolio, including documentation, tools, and long-term supply commitments for industrial-grade parts.

The MC56F8025VLD belongs to the 56F8000 family of Digital Signal Controllers designed specifically for cost-effective, real-time motor and power control - integrating DSP performance with MCU usability in a single-chip solution.

FAQ

What is the maximum core clock frequency supported by the MC56F8025VLD?

The MC56F8025VLD supports a maximum core frequency of 32 MHz, achieved using the on-chip Phase-Locked Loop (PLL) driven by an external crystal (4–8 MHz) or ceramic resonator. This yields up to 32 million instructions per second (MIPS), as confirmed in Section 1.1.1 of the Rev. 6 datasheet. The MC56F8025VLD does not support overclocking beyond this specification.

Does the MC56F8025VLD include hardware debug support?

Yes, the MC56F8025VLD integrates JTAG and Enhanced On-Chip Emulation (OnCE™) interfaces compliant with IEEE 1149.1, enabling unobtrusive, real-time debugging at full processor speed. Pins TCK, TMS, TDO, and TDI (Pins 19, 43, 44, 41) provide full boundary scan and instruction-level trace capability - no external debug probe is required beyond standard JTAG adapters.

How many analog input channels does the MC56F8025VLD support?

The MC56F8025VLD supports eight analog input channels across two independent 12-bit ADC modules: four channels (ANA0–ANA3) for ADC A and four channels (ANB0–ANB3) for ADC B. These are physically mapped to Pins 16, 15, 14, 13, 7, 8, 9, and 10 per Table 2-2 of the Rev. 6 datasheet, with support for simultaneous or sequential conversion modes.

Is the MC56F8025VLD pin-compatible with the MC56F8035VLD?

Yes, the MC56F8025VLD and MC56F8035VLD share identical 44-pin LQFP packaging, pin assignments, and peripheral multiplexing - confirmed in Section 11.1 and Table 2-2 of the Rev. 6 datasheet. They differ only in Flash (32 KB vs. 64 KB) and RAM (4 KB vs. 8 KB) capacity, making them drop-in replacements for footprint- and layout-constrained designs.

What power supply requirements does the MC56F8025VLD have?

The MC56F8025VLD requires two 3.3 V supplies: VDD (Pins 29, 35) for digital I/O and core logic, and VDDA (Pin 11) for analog peripherals (ADC/DAC/comparator). VDDA must be filtered and routed separately from VDD to maintain ADC accuracy. VCAP (Pins 18, 34) requires ≥2.2 µF ceramic capacitors per the Rev. 6 datasheet revision notes.