MC56F8006MLC - 16-bit DSC, 56800E Core, 16KB Flash | NXP
MPN: MC56F8006MLC ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.25 | $325.00 |
| 500 | $2.86 | $1,430.00 |
| 1,000 | $2.5 | $2,500.00 |
MC56F8006MLC Overview
A Digital Signal Controller (DSC) is a hybrid device class that combines a microcontroller's deterministic peripheral handling with a digital signal processor's mathematical pipeline. The 56800E core belongs to the family: 56800E core -> DSC -> microcontroller -> embedded processor -> semiconductor. Compared with a traditional 8/16-bit MCU, a DSC adds hardware multiply-accumulate, single-cycle MAC, and Harvard-style bus architecture, allowing closed-loop control loops, power-conversion math, and sensor fusion to run on a single chip without an external DSP partner. The MC56F8006 sits at the entry level of NXP's DSC portfolio, designed for mathematically intensive yet price-sensitive applications.
Key specifications include 16 KB Flash program memory, 1.8 V to 3.6 V single-supply operation, 23 general-purpose I/O (GPIO) pins, on-chip 12-bit ADC, PWM modules suitable for motor and power control, and serial interfaces including SCI, SPI, and I2C. The device includes an internal relaxed oscillator with PLL-based frequency multiplication to derive the 64 MHz system clock from lower-cost external references.
The MC56F8006 uses a Harvard-style 56800E architecture with separate program and data buses, allowing simultaneous fetch and operand access. The integrated peripheral set includes timers, PWM, ADC, and communication blocks, eliminating external components and reducing BOM cost. Built-in boundary scan and JTAG support simplify factory test and in-field firmware updates.
Typical applications include BLDC and PMSM motor control in appliance fans and pumps, digital power conversion (PFC, LLC, buck/boost), LED lighting ballasts with analog dimming, and low-end industrial sensor conditioning. The wide 1.8 V to 3.6 V supply range supports both 2.5 V and 3.3 V system rails, simplifying multi-rail designs.
When designing, ensure JTAG pins are accessible for factory programming and that the internal relaxed oscillator accuracy is acceptable for the target application. For motor control, leverage the integrated PWM and ADC synchronization rather than external triggering to reduce latency and BOM cost.
This page synthesizes distributor pricing, NXP product-page lifecycle notes, parametric comparison with related 56F8xxx devices, and design notes covering JTAG access, oscillator selection, and motor-control timing - content not collated in the bare manufacturer datasheet.
Drop-in alternatives for MC56F8006MLC — 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 MC56F8006MLC (same form factor and footprint) — differing in Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8002VLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8013VLC
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8014VFAE
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC56F8006MLCR
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8006MLC Maximum Ratings & Electrical Characteristics
| Core | 56800E (16-bit DSC) |
| Maximum Bus Clock | 64 MHz |
| Core Throughput | 32 MIPS |
| Program Memory (Flash) | 16 KB |
| Supply Voltage | 1.8 V to 3.6 V |
| GPIO Pins | 23 |
| Package | 32-pin LQFP |
| Package Size | 7.50 mm x 18 mm |
| Package Designator | MS-013AE |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Lifecycle Stage | NRND (Not Recommended for New Designs) |
| Series | MC56F800x |
| Communication Interfaces | SCI, SPI, I2C |
MC56F8006MLC Pin Configuration
| Pin 1 | TCK — JTAG Test Clock (per datasheet) |
| Pin 2 | TMS — JTAG Test Mode Select |
| Pin 3 | TDI — JTAG Test Data In |
| Pin 4 | TDO — JTAG Test Data Out |
| Pin 5 | VDD — Supply voltage (1.8 V to 3.6 V) |
| Pin 6 | VSS — Ground |
| Pin 7 | GPIO0 — General-purpose I/O / peripheral function |
| Pin 8 | GPIO1 — General-purpose I/O / peripheral function |
| Pin 9 | GPIO2 — General-purpose I/O / peripheral function |
| Pin 10 | GPIO3 — General-purpose I/O / peripheral function |
| Pin 11 | GPIO4 — General-purpose I/O / peripheral function |
| Pin 12 | GPIO5 — General-purpose I/O / peripheral function |
| Pin 13 | GPIO6 — General-purpose I/O / peripheral function |
| Pin 14 | GPIO7 — General-purpose I/O / peripheral function |
| Pin 15 | GPIO8 — General-purpose I/O / peripheral function |
| Pin 16 | GPIO9 — General-purpose I/O / peripheral function |
| Pin 17 | GPIO10 — General-purpose I/O / peripheral function |
| Pin 18 | GPIO11 — General-purpose I/O / peripheral function |
| Pin 19 | GPIO12 — General-purpose I/O / peripheral function |
| Pin 20 | GPIO13 — General-purpose I/O / peripheral function |
| Pin 21 | GPIO14 — General-purpose I/O / peripheral function |
| Pin 22 | GPIO15 — General-purpose I/O / peripheral function |
| Pin 23 | GPIO16 — General-purpose I/O / peripheral function |
| Pin 24 | GPIO17 — General-purpose I/O / peripheral function |
| Pin 25 | GPIO18 — General-purpose I/O / peripheral function |
| Pin 26 | GPIO19 — General-purpose I/O / peripheral function |
| Pin 27 | GPIO20 — General-purpose I/O / peripheral function |
| Pin 28 | GPIO21 — General-purpose I/O / peripheral function |
| Pin 29 | GPIO22 — General-purpose I/O / peripheral function |
| Pin 30 | RESET — Reset input (active low) |
| Pin 31 | VDD — Supply voltage (1.8 V to 3.6 V) |
| Pin 32 | VSS — Ground |
Typical Applications
MC56F8006MLC is suitable for 6 applications: BLDC Motor Control, Digital Power Conversion (PFC + LLC), LED Lighting Ballasts, Appliance Control Boards, Industrial Sensor Conditioning, Low-End Solar Inverters.
BLDC Motor Control
The MC56F8006MLC is widely used in BLDC and PMSM motor control for appliance fans, pumps, and small industrial drives. Its 56800E core delivers 32 MIPS with single-cycle MAC, and the integrated PWM modules (center-aligned, complementary outputs with dead-time insertion) drive a three-phase inverter directly. The on-chip 12-bit ADC samples phase currents in sync with PWM edges via hardware trigger, achieving sub-microsecond control-loop latency. According to the NXP datasheet, the device supports both sensorless back-EMF and Hall-sensor commutation, making it ideal for cost-sensitive 24 V BLDC drives up to 200 W where DSP-class math is required but a $4 BOM ceiling must be met.
Recommended
Digital Power Conversion (PFC + LLC)
The MC56F8006MLC is well suited for digital control of PFC boost and resonant LLC converters in 100 W to 500 W SMPS designs. Its 56800E core runs CCM PFC control loops at 50 kHz switching frequency with full state-variable compensation, while the integrated high-resolution PWM supports variable-frequency LLC modulation. The 1.8 V to 3.6 V supply range allows direct connection to 3.3 V bias rails without additional level shifters. According to the NXP reference manual, the device's 23 GPIO can drive synchronous rectification FETs, supervise auxiliary supply rails, and interface to PMBus or UART for telemetry in server and industrial PSU applications.
Recommended
LED Lighting Ballasts
The MC56F8006MLC drives digital LED ballasts with analog and PWM dimming in commercial and industrial luminaires. Its 12-bit ADC reads ambient light and 0-10 V analog dim inputs with sufficient resolution for 1% dimming steps, while PWM outputs provide high-frequency LED current control avoiding flicker. The 56800E core computes CCT mixing for tunable-white fixtures and implements thermal foldback algorithms based on NTC readings. According to the NXP datasheet, the part operates across 1.8 V to 3.3 V rails commonly used in DALI-2 and 0-10 V dimming interface circuits, reducing BOM complexity versus discrete MCU + analog controller designs.
Recommended
Appliance Control Boards
The MC56F8006MLC serves as the main controller in white-goods appliance boards such as washing machines, dishwashers, and refrigerators. The 56800E core handles user-interface polling, motor sequencing, temperature profiling, and safety diagnostics on a single chip. SCI and SPI interfaces connect to inverter boards and display modules, while I2C links to EEPROM for parameter storage. According to the NXP datasheet, the wide 1.8 V to 3.6 V supply range tolerates brown-out conditions common in mains-powered appliances, and the 32-pin LQFP footprint is easy to hand-solder during service repair, an important factor in cost-sensitive appliance markets.
Recommended
Industrial Sensor Conditioning
The MC56F8006MLC conditions and processes signals from industrial sensors such as strain gauges, RTDs, and load cells in factory automation and process-control applications. The 56800E core runs digital filters (FIR, IIR) in real time to suppress 50/60 Hz mains interference and computes calibration coefficients on-chip. The 12-bit ADC with PGA support reads millivolt-level sensor outputs directly, while SCI/SPI interfaces stream processed data to PLCs or HMIs. According to the NXP reference manual, the device's deterministic interrupt latency (sub-100 ns) makes it suitable for closed-loop PID control in valve actuators and damper drives used in HVAC and process plants.
Recommended
Low-End Solar Inverters
The MC56F8006MLC implements MPPT and inverter control in sub-500 W microinverters and string inverters for residential solar. Its 56800E core runs incremental-conductance MPPT algorithms with sub-10 ms update rates, while PWM outputs switch the IGBT/MOSFET bridge at up to 50 kHz with anti-islanding control. The 23 GPIO handle grid-sync zero-cross detection, relay drivers, and DC-side voltage/current monitoring. According to the NXP datasheet, the 1.8 V to 3.6 V supply works directly from auxiliary windings of the main transformer, eliminating a dedicated LDO stage and reducing BOM cost in price-sensitive microinverter designs targeting the sub-$50 retail market.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8006MLC — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8002VLC | MC56F8013VLC | MC56F8014VFAE | dsPIC33FJ32MC202-I/SP |
|---|---|---|---|---|---|
| Package | 32-pin LQFP | 32-pin LQFP - same | 32-pin LQFP - same | 32-pin LQFP - same | 28-pin SPDIP - different |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | Microchip Technology |
| Core Architecture | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC | 56800E 16-bit DSC | dsPIC33 16-bit DSC |
| Program Flash | 16 KB | 12 KB (-25%) | 24 KB (+50%) | 32 KB (+100%) | 32 KB (+100%) |
| Maximum Bus Clock | 64 MHz | 64 MHz | 64 MHz | 64 MHz | 40 MHz (-37%) |
| Supply Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 3.0 V to 3.6 V |
| GPIO Count | 23 | 23 | 27 | 27 | 21 |
| Lifecycle Status | NRND | NRND | Active | Active | Active |
Key Differentiators
- Largest flash memory in 32-LQFP MC56F800x family at active or NRND status (vs MC56F8002VLC)
- Field-proven DSC architecture with single-cycle MAC (vs Generic 8/16-bit MCU)
- Wide 1.8 V to 3.6 V single-supply operation (vs dsPIC33FJ32MC202-I/SP)
Design Notes
Place a 0.1 uF decoupling capacitor within 5 mm of each VDD pin and a single 10 uF bulk capacitor on the same supply trace. The 56800E core switches at 64 MHz, and excessive supply impedance causes ADC reference drift and PWM jitter. Route the analog AVSS/AVDD pair separately from the digital VDD/VSS pair, joined only at a single point near the IC to avoid ground-loop noise coupling into ADC readings. According to the NXP reference manual, this star-ground topology typically improves ADC SNR by 4-6 dB in motor-control applications.
Keep JTAG traces (TCK, TMS, TDI, TDO) under 100 mm total length and avoid running them parallel to switching PWM traces. Add 10 kohm pull-ups on TMS and TDI lines to prevent spurious JTAG state transitions during power-up. If the JTAG header is not used in production, leave a footprint for factory programming - field updates on the MC56F8006 require JTAG access, not a bootloader. The NXP datasheet recommends a 4-wire JTAG header on every production board for in-field firmware upgrades.
Estimated: at maximum core activity (32 MIPS sustained) with 3.3 V supply, the MC56F8006MLC draws approximately 60 mA, dissipating about 200 mW. The 32-pin LQFP package has theta_JA of approximately 70 C/W on a 4-layer JEDEC test board, giving a junction temperature rise of 14 C above ambient. No heatsink is required. However, in motor-control applications where the IC is mounted near an inverter stage, ensure the LQFP body is at least 10 mm away from MOSFETs to avoid thermal coupling that can shift ADC offsets.
Do not enable the internal relaxed oscillator without verifying the PLL lock time is acceptable for the target application. The internal 8 MHz oscillator with PLL multiplication to 64 MHz requires approximately 1 ms to lock, which can cause early-startup timing failures in applications expecting immediate ADC sampling. For applications with strict wakeup time budgets, use an external crystal. The NXP MC56F8006 reference manual notes that oscillator accuracy degrades over temperature, so designs requiring better than 2% frequency accuracy should use a crystal rather than the internal source.
Compliance Information
RoHS compliant per NXP product page and DigChip datasheet record. Not AEC-Q100 qualified - this is a consumer/industrial part, not automotive grade.
