NXP Semiconductors MC56F8006VLC

Overview

MC56F8006VLC 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. It integrates 16 KB flash, 2 KB unified RAM, dual 12-bit ADCs (up to 400 KSPS), six PWM outputs with dead-time control, two PGAs (gain up to 32×), three analog comparators, and I²C/SPI/SCI interfaces. It targets cost-sensitive motor control and power conversion applications including BLDC/PMSM drives and switched-mode power supplies.

For engineers reviewing the MC56F8006VLC datasheet, MC56F8006VLC pinout, MC56F8006VLC application, or MC56F8006VLC equivalent, key selection criteria include its 48-pin LQFP package, 1.8–3.6 V operation, –40 °C to 125 °C industrial temperature range, integrated COP watchdog with multiple clock source options, and hardware-accelerated DSP+MCU instruction set optimized for C compilation and real-time control loops.

Technical Context

The MC56F8006VLC implements a dual-Harvard 56800E core with three parallel execution units enabling up to six operations per instruction cycle. Its architecture supports hardware DO/REP loops, four 36-bit accumulators, and single-cycle 16×16 MAC - enabling deterministic, low-latency control code execution.

Peripherals are tightly synchronized via IPBus: PWM modules can be triggered by PDB outputs or ADC conversions; PGA gain and ADC sampling are coordinated through shared trigger sources; and SCI supports LIN slave mode with address-mark wakeup - all supporting closed-loop timing-critical systems like motor commutation and arc detection.

Key Specifications

Pinout & Package

MC56F8006VLC is housed in a 48-pin LQFP package (7 mm × 7 mm, 0.5 mm pitch, case 932-03), with exposed thermal pad for enhanced power dissipation in motor control applications.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MC56F8012VLF and dsPIC33EP32GP102-I/SP, the MC56F8006VLC delivers best-in-class analog integration (dual PGAs, 24 ADC inputs, 15 shielded) in a cost-optimized 48-pin LQFP package - making it ideal for applications demanding high-fidelity signal acquisition without external amplifiers or additional ADCs.

Availability

MC56F8006VLC is available at Aetrix Electronics and suitable for motor control, switched-mode power supply design, and power metering applications requiring stable component supply across extended product lifecycles.

Supply support for MC56F8006VLC 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 MC56F8006VLC belongs to the 56800E-based DSC family, designed specifically for cost-sensitive, high-performance embedded control applications requiring combined DSP efficiency and MCU flexibility - especially in motor drives and digital power conversion.

FAQ

What is the maximum ADC sampling rate supported by the MC56F8006VLC?

The MC56F8006VLC supports up to 400 KSPS for 10- or 12-bit ADC conversions, and 470 KSPS for 8-bit results. This performance is achieved using dual 12-bit ADCs with simultaneous triggering capability, and sampling is synchronizable to PWM or PDB events to minimize jitter in motor current measurements. The MC56F8006VLC's ADC subsystem includes 24 total input channels (15 shielded), making it suitable for high-fidelity three-phase current and voltage monitoring.

Does the MC56F8006VLC support CAN bus communication?

No, the MC56F8006VLC does not include a CAN controller or physical layer interface. It features I²C, SPI, and SCI (with LIN slave functionality), but lacks native CAN 2.0B support. For CAN-enabled alternatives in the same family, consider the MC56F8012VLF, which shares the same 48-pin LQFP package and adds a full CAN module. The MC56F8006VLC is optimized for applications where CAN is unnecessary - such as standalone motor drives or digital power supplies using simpler serial protocols.

What clock sources are available for the COP/watchdog timer in the MC56F8006VLC?

The MC56F8006VLC COP/watchdog timer supports four selectable clock sources: the on-chip 1 kHz relaxation oscillator, the 8 MHz (or 400 kHz in standby) relaxation oscillator, the external crystal oscillator, and the system bus clock (up to 32 MHz). This multi-source flexibility allows designers to meet functional safety standards like EN60730 Class B, where redundant or fail-safe clock monitoring is required. All clock options are configurable in software, and loss-of-clock detection triggers automatic reset within 128 cycles.

How many PWM outputs does the MC56F8006VLC provide, and what advanced features do they support?

The MC56F8006VLC provides six dedicated PWM outputs with comprehensive motor control features: center- and edge-aligned modes, asymmetric pulse generation, independent rising/falling edge dead-time insertion, programmable fault inputs with digital filtering, and polarity control per channel. Each PWM pair can source signals from the PWM generator, internal timers, or analog comparator outputs - enabling flexible commutation schemes for BLDC, PMSM, and stepper motors. These capabilities are fully implemented in the MC56F8006VLC's hardware, reducing CPU overhead in real-time control loops.

Is the MC56F8006VLC pin-compatible with other members of the 56F800x family?

The MC56F8006VLC in 48-pin LQFP is pin-compatible with the MC56F8012VLF (same package), but not with 28-pin SOIC or 32-pin LQFP variants due to differing pin counts and peripheral allocations. Within the 48-pin LQFP footprint, register-level compatibility exists across the family, allowing firmware reuse where peripherals match. However, features like flash size (16 KB vs. 32 KB) and added peripherals (e.g., CAN in MC56F8012VLF) require software validation. Always verify pin mapping against Table 4 in the MC56F8006 technical data sheet before substitution.