NXP Semiconductors MC56F82316VLF

Overview

MC56F82316VLF from NXP Semiconductors is a 32-bit digital signal controller (DSC) based on the 56800EX core, operating at 50 MHz with 16 KB flash and 4 KB RAM. It integrates dual 12-bit ADCs (5-channel each), two analog comparators with 6-bit DAC references, FlexPWM with up to 6 outputs, and supports motor control in BLDC/PMSM applications requiring real-time current sensing and PWM timing.

For engineers reviewing the MC56F82316VLF datasheet, MC56F82316VLF pinout, MC56F82316VLF application, or MC56F82316VLF equivalent, key selection criteria include its 48-pin LQFP package, 5 V–tolerant I/O (except RESETB), -40°C to 105°C industrial temperature range, dual ADC scan synchronization with FlexPWM, and support for LIN slave via QSCI.

Technical Context

The MC56F82316VLF implements a unified 32-bit 56800EX DSP/MCU architecture with concurrent instruction fetch and dual data access per cycle, enabling 50 MIPS performance. Its analog subsystem includes two independent 12-bit cyclic ADCs with programmable x1/x2/x4 gain amplifiers and hardware-triggered parallel scan modes synchronized to PWM events.

System-level timing relies on multiple clock sources: an 8 MHz relaxation oscillator (400 kHz in standby), 200 kHz low-power oscillator, and crystal oscillator support (4–16 MHz). The inter-module crossbar enables flexible routing of ADC triggers, comparator outputs, and PWM fault signals without CPU intervention.

Key Specifications

Pinout & Package

MC56F82316VLF is housed in a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are multiplexed and configured via GPIOx_PER and SIM GPSx registers after reset.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC56F82313VLC, the MC56F82316VLF adds two 12-bit DACs and full 5-channel ADC support per module - enabling closed-loop analog calibration and richer sensor fusion. Versus SPC560B50L5, it trades CAN FD and larger memory for deterministic sub-microsecond PWM/ADC timing essential in motor drive applications.

Availability

MC56F82316VLF is available at Aetrix Electronics and suitable for industrial motor drives, smart appliance control systems, photovoltaic inverters, and medical pump drivers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC56F82316VLF 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 company specializing in secure connectivity solutions for automotive, industrial, and IoT applications, with leadership in MCU, DSC, and RF technologies.

The MC56F823xx family targets high-performance motor control and digital power conversion, combining DSP computational efficiency with MCU peripheral integration to replace discrete controller + signal processor architectures.

FAQ

What is the maximum ADC sampling rate supported by the MC56F82316VLF?

The MC56F82316VLF supports a maximum ADC clock frequency of 10 MHz, enabling single-conversion times of 10 ADC clock cycles (1 µs) and additional conversion times of 8 cycles. With hardware-triggered parallel scan mode, it achieves up to 1 MSps aggregate throughput across both ADC modules - sufficient for real-time current and voltage sampling in 20 kHz motor control loops.

Does the MC56F82316VLF support LIN communication natively?

Yes, the MC56F82316VLF includes two queued SCI (QSCI) modules with built-in LIN slave functionality. Each QSCI supports standard LIN 2.x frame formatting, automatic checksum calculation, and wakeup detection via idle-line or address-mark methods - enabling direct integration into automotive body electronics and industrial sub-networks without external LIN transceivers.

What are the power supply requirements for the MC56F82316VLF analog and digital domains?

The MC56F82316VLF requires separate 3.0–3.6 V supplies for VDD/VSS (I/O domain) and VDDA/VSSA (analog domain). VDDA must be connected to a low-noise analog source, and VCAP requires a 2.2 µF capacitor to ground. The device draws ~120 mA typical at 50 MHz operation, with dynamic voltage scaling unavailable - all domains operate at fixed 3.3 V nominal.

Can the MC56F82316VLF generate arbitrary waveforms using its DACs?

Yes, the MC56F82316VLF includes two 12-bit DACs with automatic waveform generation mode. Each DAC can produce square, triangle, or sawtooth waveforms with programmable period, update rate, and amplitude range. Output is routable to internal comparators for slope compensation in SMPS designs or to external pins for calibration signal generation - no CPU intervention required during waveform playback.

How does the inter-module crossbar enhance real-time performance in the MC56F82316VLF?

The inter-module crossbar in the MC56F82316VLF enables direct hardware routing of signals between peripherals - such as triggering ADC conversions from PWM reload events, feeding comparator outputs to FlexPWM fault inputs, or synchronizing timer captures with GPIO transitions. This eliminates CPU polling and ISR latency, achieving deterministic sub-microsecond response times critical for motor overcurrent protection and fast-loop control.