NXP Semiconductors MC56F82736VLF

Overview

MC56F82736VLF from NXP Semiconductors is a 32-bit digital signal controller (DSC) based on the 56800EX core, operating at up to 100 MHz in fast mode. It integrates 48 KB flash memory, 8 KB RAM, dual 12-bit ADCs with programmable gain amplifiers, and an eFlexPWM module with 8 high-resolution outputs. It targets motor control (BLDC/PMSM), switched-mode power supplies, and industrial embedded systems requiring deterministic real-time processing.

For engineers reviewing the MC56F82736VLF datasheet, MC56F82736VLF pinout, MC56F82736VLF application, or MC56F82736VLF equivalent, key selection criteria include its 48-pin LQFP package, -40°C to 105°C V-temperature grade, 3.0–3.6 V supply range, 5 V–tolerant I/O (except RESETB), and support for QSCI/QSPI/I²C/MSCAN interfaces in safety-critical control designs.

Technical Context

The MC56F82736VLF implements the 56800EX core with dual-Harvard architecture, enabling concurrent instruction fetches and dual data accesses per cycle. Its unified DSP/MCU instruction set supports fractional arithmetic, single-cycle 32×32→64-bit MAC, and hardware DO/REP loops - optimized for motor control algorithms and real-time power conversion.

Peripheral integration centers on deterministic timing: the eFlexPWM module provides NanoEdge placement with independent deadtime control per complementary pair; dual 12-bit ADCs synchronize conversions via crossbar-triggering from PWM or timers; and the inter-module crossbar enables flexible routing of analog, timer, and communication signals without software overhead.

Key Specifications

Pinout & Package

MC56F82736VLF uses a 48-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with exposed thermal pad. Pin assignments are defined in Table 2 of MC56F827XXDS Rev. 4.1, supporting JTAG debugging, analog input routing, and high-speed PWM output distribution across GPIO ports A–D.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC56F82746VLF, the MC56F82736VLF offers identical core performance and analog subsystems in a smaller 48-pin package but omits MSCAN and two PWM channels - making it optimal for non-networked, medium-complexity motor and power control. Against MC56F82733VLC, it retains full QSCI/QSPI/I²C connectivity and GPIO count, providing upgrade path flexibility without redesigning PCB layout.

Availability

MC56F82736VLF is available at Aetrix Electronics and suitable for industrial motor drives, switched-mode power supplies, photovoltaic inverters, and uninterruptible power supplies requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for MC56F82736VLF 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 real-time control architectures.

The MC56F827xx family was designed specifically for high-performance, safety-aware digital power conversion and motor control - integrating DSP-level computation with MCU-style peripheral flexibility in a single-chip solution.

FAQ

What is the maximum operating frequency of the MC56F82736VLF core?

The MC56F82736VLF core operates at up to 100 MHz in fast mode, delivering 100 MIPS performance. This frequency is achieved using the on-chip PLL with an 8–16 MHz crystal input. The device also supports 50 MHz operation in normal mode for lower-power applications. All timing specifications in the MC56F827XXDS datasheet Rev. 4.1 are validated at this 100 MHz maximum frequency for the MC56F82736VLF.

Does the MC56F82736VLF support CAN communication?

No, the MC56F82736VLF does not include the Modular/Scalable Controller Area Network (MSCAN) module. According to Table 1 in MC56F827XXDS Rev. 4.1, MSCAN is omitted in the MC56F82736VLF variant. For CAN-enabled alternatives within the same family, consider MC56F82748VLH or MC56F82746VLF - both of which integrate the MSCAN module and support up to 1 Mbit/s bit rates.

What are the analog input capabilities of the MC56F82736VLF?

The MC56F82736VLF features two independent 12-bit cyclic ADCs, each with 8 external input channels and integrated x1/x2/x4 programmable gain amplifiers. ADC0 uses pins 20–27, and ADC1 uses pins 10–13 and 46–47. Each ADC supports sequential, parallel, and independent scan modes, with conversion times as low as 10 ADC clock cycles (≤100 ns per cycle at 10 MHz max clock). These capabilities are fully documented for the MC56F82736VLF in Section 1.6.2 of MC56F827XXDS Rev. 4.1.

Is the MC56F82736VLF pin-compatible with other members of the MC56F827xx family?

No, the MC56F82736VLF is not universally pin-compatible across the MC56F827xx family. It uses a 48-pin LQFP package, whereas variants like MC56F82748VLH use 64-pin LQFP and MC56F82733VFM use 32-pin QFN. Even among 48-pin variants (e.g., MC56F82746VLF), pin functions differ - for example, MC56F82746VLF includes MSCAN signals absent on MC56F82736VLF. Always verify pin assignments in Table 2 of MC56F827XXDS Rev. 4.1 for the specific MC56F82736VLF ordering option.

What watchdog features does the MC56F82736VLF provide for functional safety compliance?

The MC56F82736VLF includes two independent watchdog systems: a Windowed Computer Operating Properly (COP) module and an External Watchdog Monitor (EWM). The COP supports programmable timeout windows and operates in all power modes (run/wait/stop), meeting EN60730 Class B requirements. The EWM provides interrupt-before-timeout and a dedicated EWM_OUT_b signal to place external circuitry in safe state - both are confirmed for the MC56F82736VLF in Sections 1.6.12 and 1.6.13 of MC56F827XXDS Rev. 4.1.