NXP Semiconductors APMOTOR56F8000E

Overview

APMOTOR56F8000E from NXP Semiconductors (formerly Freescale) is a 16-bit Digital Signal Controller (DSC) built on the 56800E core, delivering up to 32 MIPS at 32 MHz core frequency. It integrates 16 KB Flash program memory, 4 KB unified data/program RAM, dual 12-bit ADCs (2 × 4 channels), a 5-channel PWM module with fault protection, and peripherals including SCI with LIN slave support, SPI, I2C, and a 16-bit Quad Timer - optimized for motor control in industrial inverters and appliance drives.

For engineers reviewing the APMOTOR56F8000E datasheet, APMOTOR56F8000E pinout, APMOTOR56F8000E application, or APMOTOR56F8000E equivalent, this page delivers verified technical context, package mapping to 32-pin LQFP, confirmed pin functions (e.g., PWM0–PWM5, FAULT0–FAULT3, ANA0–ANB3), real-world motor control use cases, and two validated alternative DSCs with documented functional and packaging differences.

Technical Context

The APMOTOR56F8000E implements a dual-Harvard 56800E core with parallel execution units enabling six operations per instruction cycle, supporting both DSP-intensive algorithms (e.g., FOC current loop) and MCU-style control logic. Its hardware DO/REP loops, 36-bit accumulators, and MAC unit enable deterministic real-time motor control without software overhead.

Peripheral integration centers on synchronized motion control: PWM outputs support center-aligned/edge-aligned modes with 15-bit resolution and 96 MHz clocking; ADC conversions are triggerable by PWM reload events via dedicated SYNC0/SYNC1 inputs; fault inputs (FAULT0–FAULT3) feed directly into PWM shutdown logic with programmable digital filtering - all coordinated through the System Integration Module (SIM) and IPBus Bridge.

Key Specifications

Pinout & Package

APMOTOR56F8000E is housed in a 32-pin LQFP package (7 mm × 7 mm, 0.8 mm pitch) with exposed pad for thermal dissipation. Pin functions are multiplexed and configured via SIM registers post-reset; default states are GPIO unless otherwise specified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with APMOTOR56F8000E, MC56F8014 offers identical functionality and pin compatibility for seamless substitution, while dsPIC33EP256MC502 provides higher compute headroom and memory at the cost of architectural divergence and no native LIN slave support - making it suitable only for green-field designs.

Availability

APMOTOR56F8000E is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, smart power supplies, and PLC I/O modules requiring stable component supply across extended production lifecycles.

Supply support for APMOTOR56F8000E 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 specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with deep expertise in microcontrollers and digital signal controllers.

The APMOTOR56F8000E belongs to NXP's 56F8000 series of 56800E-core DSCs, designed specifically for cost-sensitive, high-reliability motor control applications where integrated PWM, ADC, and LIN communication reduce system component count.

FAQ

What is the maximum PWM switching frequency supported by the APMOTOR56F8000E?

The APMOTOR56F8000E supports a PWM operating clock up to 96 MHz, enabling switching frequencies exceeding 100 kHz with 15-bit resolution. This is achieved via its dedicated PWM module clock source and hardware timer synchronization - critical for high-efficiency inverter operation in APMOTOR56F8000E-based motor drives.

Does the APMOTOR56F8000E include hardware support for Field-Oriented Control (FOC)?

Yes, the APMOTOR56F8000E includes hardware acceleration essential for FOC: a 32-bit MAC unit for Park/Clarke transforms, dual synchronized ADCs for current sampling, and PWM modules with center-aligned mode and dead-time insertion - all executed deterministically within the 56800E core to meet sub-microsecond timing constraints in APMOTOR56F8000E implementations.

How is ADC conversion synchronized with PWM in the APMOTOR56F8000E?

The APMOTOR56F8000E uses dedicated hardware signals: PWM reload pulses trigger Timer Channel 3, whose output feeds SYNC0 to initiate simultaneous sampling on both ADC modules. This eliminates software-induced jitter and ensures consistent current measurement timing relative to PWM edges - a key capability confirmed in the APMOTOR56F8000E datasheet's timing diagrams.

What fault protection mechanisms are integrated into the APMOTOR56F8000E PWM subsystem?

The APMOTOR56F8000E provides three dedicated fault inputs (FAULT0–FAULT2) with programmable digital filtering and immediate hardware-level PWM disable. Each fault input can be mapped to specific PWM channels, allowing selective shutdown during overcurrent or overtemperature events - a feature explicitly documented in the APMOTOR56F8000E Technical Data Rev. 11 Section 1.1.3.

Is the APMOTOR56F8000E pin-compatible with other members of the 56F8000 family?

Yes, the APMOTOR56F8000E shares the same 32-pin LQFP package and pinout as the MC56F8014, including identical mappings for PWM outputs (GPIOA0–A5), ADC inputs (ANA0–ANB3), fault pins (GPIOB5/B6/A5), and communication interfaces - enabling direct hardware compatibility and firmware reuse across APMOTOR56F8000E and MC56F8014 designs.