NXP Semiconductors MC56F8036VLFR

Overview

MC56F8036VLFR from NXP (formerly Freescale) is a 16-bit Digital Signal Controller (DSC) integrating DSP and MCU functionality in a unified architecture, delivering up to 32 MIPS at 32 MHz core frequency, with 64 KB Flash, 8 KB unified RAM, dual 12-bit ADCs (2.67 MSPS), six-channel PWM (96 MHz clock), CAN 2.0A/B, and 39 GPIOs - deployed in industrial motor control, inverters, and power supplies.

For engineers reviewing the MC56F8036VLFR datasheet, MC56F8036VLFR pinout, MC56F8036VLFR application, or MC56F8036VLFR equivalent, key selection criteria include its 48-pin LQFP package, on-chip PLL and relaxation oscillator, dual ADC synchronization with PWM, MSCAN compliance, and JTAG/OnCE™ debug support for real-time embedded development.

Technical Context

The MC56F8036VLFR implements the 56800E core with dual Harvard architecture, three parallel execution units, and hardware DO/REP loops enabling deterministic DSP control. Its unified memory map supports simultaneous program/data access, while the System Integration Module (SIM) manages clock generation via PLL (up to 64 MHz system clock), relaxation oscillator (200 kHz standby), and multiple power-saving modes (STOP, WAIT, POWERDOWN).

Peripheral integration includes two independent 12-bit ADCs with 5-channel inputs each, synchronized by PWM or Quad Timer; two 12-bit DACs with 2 µs rail-to-rail settling; six PWM outputs with fault protection and source flexibility (GPIO, comparator, ADC limit); and full-featured MSCAN, QSCI (LIN slave), QSPI, and I2C interfaces - all accessible through multiplexed GPIO pins.

Key Specifications

Pinout & Package

MC56F8036VLFR uses a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch) with dedicated analog/digital power and ground pins (VDDA/VSSA, VDD/VSS), dual supply decoupling (VCAP ×2), and 39 multiplexed GPIOs supporting peripheral functions including PWM, ADC, CAN, QSPI, I2C, and JTAG.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC56F8036VLFR, MC56F82748VLH offers greater memory and ADC resolution for advanced motion control, while dsPIC33EP256MU806-I/PT provides larger RAM and mature toolchain but lacks native CAN - making MC56F8036VLFR optimal for cost-sensitive, CAN-dependent industrial nodes.

Availability

MC56F8036VLFR is available at Aetrix Electronics and suitable for industrial motor control, switched-mode power supply design, and home appliance inverter applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MC56F8036VLFR 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, with deep heritage in microcontrollers and digital signal processors.

The MC56F8036VLFR belongs to NXP's 56800E-based Digital Signal Controller family, designed specifically for cost-effective, real-time control of power electronics - emphasizing integrated analog peripherals, deterministic PWM timing, and CAN-ready industrial communications.

FAQ

What is the maximum operating frequency of the MC56F8036VLFR core?

The MC56F8036VLFR core operates at up to 32 MHz, delivering 32 MIPS performance. This frequency is achieved using the on-chip PLL, which multiplies the input clock (from crystal, external source, or relaxation oscillator). The maximum system clock derived from PLL is 64 MHz, used for peripherals like PWM and ADC timing - confirmed in Section 6.7 "Clocks" of the Rev. 6 datasheet.

Does the MC56F8036VLFR support CAN 2.0B extended frames?

Yes, the MC56F8036VLFR's MSCAN module fully supports both CAN 2.0A standard frames (11-bit ID) and CAN 2.0B extended frames (29-bit ID), as stated in Section 1.1.3 and verified in the MSCAN timing chapter (10.12). It also supports data rates up to 1 Mbps and includes five receive buffers with individual acceptance filtering.

How many ADC channels does the MC56F8036VLFR have, and can they operate simultaneously?

The MC56F8036VLFR integrates two independent 12-bit ADCs (ADCA and ADCB), each with five input channels (ANA0–ANA4 and ANB0–ANB4), totaling ten analog inputs. Both ADCs support simultaneous sampling triggered by shared or independent sources (e.g., PWM reload or Quad Timer), enabling synchronized current/voltage acquisition - detailed in Section 1.1.3 and Table 10-15.

What is the purpose of the VCAP pins on the MC56F8036VLFR?

The MC56F8036VLFR has two VCAP pins (20 and 37) that connect to the internal core voltage regulator's bypass capacitor. A minimum 2.2 μF ceramic capacitor must be placed between each VCAP pin and VSS to stabilize the 1.8 V core supply - critical for PLL lock stability and reliable operation at maximum frequency, as specified in Table 2-3 and Section 10.2.1.

Is the MC56F8036VLFR pin-compatible with other members of the 56F80xx family?

No, the MC56F8036VLFR is not fully pin-compatible with other 56F80xx variants (e.g., MC56F8026 or MC56F8016) due to differences in peripheral allocation and pin muxing - confirmed by comparing Tables 2-2 and 2-3 across respective datasheets. While all use 48-pin LQFP, signal assignments (e.g., CAN, QSPI, ADC channels) vary significantly between models.