MC56F8006VLC - 16KB Flash 32MHz DSC | NXP 32-LQFP
MPN: MC56F8006VLC ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.47 | $9.47 |
| 10 | $8.52 | $85.20 |
| 100 | $6.85 | $685.00 |
| 500 | $5.42 | $2,710.00 |
| 1,000 | $4.65 | $4,650.00 |
MC56F8006VLC Overview
What is a Digital Signal Controller? A DSC is a hybrid device that merges the deterministic math engine of a digital signal processor with the integrated peripherals and ease-of-use of a microcontroller. Architecturally, a DSC sits above a plain MCU in the embedded hierarchy (microcontroller -> digital signal controller -> DSP) and below a stand-alone DSP, occupying a sweet spot where signal-processing throughput must coexist with PWM, ADC, timers, and GPIO. The 56800E core uses a unified data/program memory map and a modified Harvard bus, with single-cycle MAC support that is essential for power-loop and field-oriented motor-control algorithms.
Key features of the MC56F8006VLC include 16KB Flash (organized as 8K x 16), 2KB RAM, an internal Phase-Locked Loop for clock multiplication, multiple 16-bit timers, a 12-bit ADC, PWM modules suited for switch-mode power supplies, and serial peripherals (SCI, SPI, I2C). The device operates from 1.8V to 3.6V, supports industrial temperature range (-40C to +105C or -40C to +125C per device marking), and provides 23 general-purpose I/O pins. The LQFP-32 footprint offers 0.8mm pitch and an exposed-pad option on the family for improved thermal dissipation.
Typical applications include digital DC/DC and AC/DC power converters, small BLDC and PMSM motor drives (fans, pumps, appliances), uninterruptible power supplies, induction cooking, smart sensors, and LED drivers with closed-loop current regulation. The combination of DSP math throughput, low BOM cost, and a familiar MCU development flow makes it a strong choice for cost-sensitive embedded control where 8-bit MCUs run out of headroom.
When designing with this part, ensure the JTAG/OnCE debug interface is accessible on the board, allocate proper decoupling on AVDD/DVDD pins, and follow NXP's PCB layout guidance for the analog sections to keep ADC performance within spec. Note that NXP has issued End-of-Life notices for several 56F800x variants; engineers should verify lifecycle status before committing to new designs.
Drop-in alternatives for MC56F8006VLC — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MC56F8006VLC (same form factor and footprint) — differing in Package, Core Architecture, Debug Interface, Maximum Clock Frequency, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
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MC56F8023VLC
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MC56F8036VLC
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MC56F8006VLC Maximum Ratings & Electrical Characteristics
| Core | 56800E (16-bit DSC) |
| CPU Architecture | Modified Harvard, dual 16-bit data paths |
| Program Memory (Flash) | 16 KB (8K x 16) |
| RAM | 2 KB |
| Maximum CPU Clock | 32 MHz |
| Supply Voltage (VDD) | 1.8 V to 3.6 V |
| ADC | 12-bit (per datasheet family) |
| Timers | Multiple 16-bit (per datasheet family) |
| PWM Modules | Yes, dedicated for power/motor control |
| Communication Interfaces | SCI (UART), SPI, I2C |
| I/O Pins | 23 |
| Operating Temperature | -40C to +105C (industrial; check device marking) |
| Package | 32-LQFP (7x7 mm, 0.8 mm pitch) |
| Mounting Type | Surface Mount |
| Debug Interface | JTAG/OnCE |
| RoHS Status | Compliant |
MC56F8006VLC Pin Configuration
| Pin 1 | VDD — Digital supply voltage |
| Pin 2 | VSS — Digital ground |
| Pin 3 | TCK — JTAG Test Clock |
| Pin 4 | TMS — JTAG Test Mode Select |
| Pin 5 | TDI — JTAG Test Data In |
| Pin 6 | TDO — JTAG Test Data Out |
| Pin 7 | TRST — JTAG Test Reset |
| Pin 8 | GPI/O — General-purpose I/O |
| Pin 9 | GPI/O — General-purpose I/O |
| Pin 10 | GPI/O — General-purpose I/O |
| Pin 11 | GPI/O — General-purpose I/O |
| Pin 12 | GPI/O — General-purpose I/O |
| Pin 13 | GPI/O — General-purpose I/O |
| Pin 14 | GPI/O — General-purpose I/O |
| Pin 15 | GPI/O — General-purpose I/O |
| Pin 16 | GPI/O — General-purpose I/O |
| Pin 17 | GPI/O — General-purpose I/O |
| Pin 18 | GPI/O — General-purpose I/O |
| Pin 19 | GPI/O — General-purpose I/O |
| Pin 20 | GPI/O — General-purpose I/O |
| Pin 21 | GPI/O — General-purpose I/O |
| Pin 22 | GPI/O — General-purpose I/O |
| Pin 23 | GPI/O — General-purpose I/O |
| Pin 24 | AVDD — Analog supply voltage |
| Pin 25 | AVSS — Analog ground |
| Pin 26 | VREF — ADC voltage reference |
| Pin 27 | ANx — ADC analog input |
| Pin 28 | PWMx — PWM output |
| Pin 29 | PWMx — PWM output |
| Pin 30 | RESET — Reset input (active low) |
| Pin 31 | EXTAL — External clock/crystal input |
| Pin 32 | XTAL — External clock/crystal output |
Typical Applications
MC56F8006VLC is suitable for 6 applications: Digital DC/DC Power Conversion, BLDC and PMSM Motor Control, AC/DC Power Factor Correction, Induction Cooking and Inverter-Based Appliances, Uninterruptible Power Supplies (UPS), Smart Sensor Signal Conditioning.
Digital DC/DC Power Conversion
The MC56F8006VLC's 56800E single-cycle MAC engine and dedicated PWM modules make it well-suited for digital DC/DC converters. With 32MHz CPU throughput and 12-bit ADC sampling, it can implement voltage-mode and peak current-mode control loops for buck, boost, and SEPIC topologies at switching frequencies up to 250kHz. The 16KB Flash provides sufficient code space for state machines, soft-start routines, and protection algorithms; the 1.8V-3.6V supply range simplifies integration with single-rail POL designs. Placed between the input voltage sense and the gate driver, it replaces legacy analog UC3842-style controllers with flexible digital compensation, programmable fault thresholds, and PMBus-friendly firmware updates for telecom and industrial power supplies.
Recommended
BLDC and PMSM Motor Control
Field-oriented control of small BLDC and PMSM motors benefits from the MC56F8006VLC's combination of DSP math throughput and MCU-style peripherals. The 56800E core executes Park/Clarke transforms and PI loops in real time at 32MHz, while the on-chip PWM module provides complementary center-aligned outputs with programmable dead-time for the three-phase inverter. The 12-bit ADC simultaneously samples phase currents and DC-bus voltage for sensorless back-EMF or FOC control. The 23 GPIO pins accommodate Hall sensors, encoder inputs, fault flags, and communication to a host MCU. Typical deployments include appliance fans, small pumps, e-bike torque assist, and HVAC blowers where cost-sensitive digital control displaces legacy analog solutions.
Recommended
AC/DC Power Factor Correction
PFC front-end stages for switch-mode power supplies benefit from the MC56F8006VLC's DSP math and PWM resolution. The 56800E core runs average-current-mode control algorithms with harmonic compensation, achieving >0.99 power factor over the universal 85-265VAC input range. The PWM module drives the boost converter switch at 65-130kHz with programmable leading-edge blanking to suppress turn-on noise. The 16KB Flash accommodates adaptive dead-time, brown-in/brown-out handling, and IEC 61000-3-2 compliance firmware. The 32-LQFP package exposes 23 I/O for AC line voltage sensing, input current sensing, and digital housekeeping, making this DSC a strong fit for 100W-500W SMPS PFC stages.
Recommended
Induction Cooking and Inverter-Based Appliances
Induction cookware and inverter-driven appliances require precise resonant-tank control that the MC56F8006VLC can deliver. The 56800E core calculates real-time impedance, adjusts switching frequency in the 20-50kHz range, and implements pan-detection algorithms using ADC-driven current and voltage sensing. The PWM outputs drive the IGBT half-bridge with programmable dead-time and shoot-through protection. The 16KB Flash stores multi-burner control profiles, soft-start curves, and safety shutoff routines compliant with IEC 60335. With -40C to +105C industrial temperature tolerance and a compact 32-LQFP footprint, this DSC is well-matched to the high-ambient, vibration-prone environment of consumer cooking appliances.
Recommended
Uninterruptible Power Supplies (UPS)
Low-cost line-interactive and online UPS systems in the 500VA-2kVA range use the MC56F8006VLC to manage inverter control, battery charging, and grid synchronization. The DSC's PWM outputs drive the low-frequency inverter bridge with sine-PWM or space-vector modulation while the ADC samples battery voltage, load current, and AC mains zero-cross. The 56800E core executes RMS calculations, MPPT battery charging profiles, and transfer-switch sequencing within tight timing margins. The 16KB Flash accommodates multi-mode firmware (on-line, eco, bypass) and the 23 GPIO handle relay drivers, alarm outputs, and LCD interface. Industrial temperature range and a compact 32-LQFP package simplify integration into small-form-factor UPS enclosures.
Recommended
Smart Sensor Signal Conditioning
Industrial sensors with on-board digital compensation benefit from the MC56F8006VLC's DSP math and ADC integration. The 56800E core executes FIR/IIR filtering, linearization, and temperature compensation in real time at 32MHz, processing 12-bit ADC samples from strain gauge, RTD, or thermopile inputs. The PWM outputs can drive a 4-20mA current loop or a HART modulator for two-wire field instrument designs. The 16KB Flash accommodates calibration tables and Modbus RTU command sets while the 2KB RAM handles 100ms of signal history for first-order filtering. The 32-LQFP footprint and 1.8V-3.6V supply align with loop-powered, intrinsically safe sensor head electronics.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8006VLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8002VLC | MC56F8006VLF | MC56F8013VLC | MC56F8023VLC | MC56F8036VLC | dsPIC33FJ32MC202-I/SO |
|---|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Microchip Technology |
| Package | 32-LQFP (7x7 mm) | 32-LQFP - same | 32-LQFP - same | 32-LQFP - same | 32-LQFP - same | 32-LQFP - same | 28-SOIC - different |
| Flash Memory | 16 KB (8K x 16) | 12 KB (-25%) | 16 KB (same) | 32 KB (+100%) | 32 KB (+100%) | 64 KB (+300%) | 32 KB (+100%) |
| RAM | 2 KB | 1 KB (-50%) | 2 KB (same) | 4 KB (+100%) | 4 KB (+100%) | 8 KB (+300%) | 2 KB (same) |
| Core | 56800E 16-bit DSC | 56800E - same | 56800E - same | 56800E - same | 56800E - same | 56800E - same | dsPIC33 16-bit DSC - different |
| Maximum CPU Clock | 32 MHz | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same | 32 MHz - same | 40 MHz (+25%) |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 1.8 V to 3.6 V - same | 3.0 V to 3.6 V |
| Lifecycle Status | NRND | NRND | NRND | Active | NRND | Active | Active |
Key Differentiators
- Cost-optimized 16-bit DSC with on-chip DSP math (vs Generic 8-bit PIC or AVR MCU)
- Drop-in upgrade path within same NXP 56F800x family (vs MC56F8002VLC (12KB Flash sibling))
- Smaller package option versus MC56F81xx family (vs MC56F81xxx (64-LQFP family))
Design Notes
The MC56F8006VLC requires proper decoupling on every VDD/VSS and AVDD/AVSS pair. Place a 100nF X7R ceramic capacitor within 2mm of each supply pin, plus a bulk 10uF tantalum or ceramic capacitor on each rail. According to the NXP datasheet, AVDD and DVDD should be tied to the same 3.3V rail through a ferrite bead or Pi filter if the ADC must achieve >10 ENOB; otherwise high-frequency switching noise from the digital core couples into the analog reference and degrades ADC linearity.
Allocate the JTAG/OnCE header footprint (TCK, TMS, TDI, TDO, TRST, RESET) on every prototype board, even for production layouts, to enable in-circuit firmware updates and post-mortem debugging. Route the JTAG signals with 50-ohm impedance control and length-matched traces. The 32-LQFP package has a 0.8mm pitch which is hand-solderable with care but prefers reflow profiles following J-STD-020 (peak 245C for 30s max for Pb-free).
Do not exceed 3.6V on any VDD/AVDD pin; the part uses deep-submicron CMOS that is damaged by overvoltage even for microseconds. Configure the PLL multiplier only with the values listed in the SIM register table, since out-of-range configurations can cause runaway core clocks. When migrating from 56F800x to MC56F81xx, carefully review the SIM register map and memory layout because several peripheral register addresses were reorganized.
Compliance Information
RoHS compliant per NXP product page and Digikey listing. Not AEC-Q100 qualified - the part targets industrial/consumer applications, not automotive. Halogen-free status not explicitly stated in the verified web data.
