MC56F8037VLHR - 16-bit 56800E DSC, 64KB Flash, 32MHz | NXP
MPN: MC56F8037VLHR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.85 | $9.85 |
| 10 | $9.12 | $91.20 |
| 100 | $8.05 | $805.00 |
| 500 | $7.2 | $3,600.00 |
| 1,000 | $6.45 | $6,450.00 |
MC56F8037VLHR Overview
A digital signal controller (DSC) is a hybrid between a microcontroller and a DSP. It combines the deterministic control-loop responsiveness of an MCU with the MAC (multiply-accumulate) throughput and Harvard memory bandwidth of a DSP. Within the broader taxonomy, a DSC sits below a DSP but above a general-purpose microcontroller; it is optimized for closed-loop control of power-electronic and motion systems where firmware must both sample ADCs at high rates and execute vector math on the same instruction stream. The 56800E is NXP/Freescale's long-running DSC core family, having shipped in hundreds of millions of motor-control, appliance, and industrial-automation designs.
Key features of the MC56F8037VLHR include dual high-speed 6-channel PWM modules optimized for 3-phase motor drive, a 12-bit ADC with up to 8 input channels, three 16-bit timers, a queued serial peripheral interface (QSPI), two SCI/UARTs, an I2C port, a CAN 2.0 A/B module, an on-chip relaxation oscillator with PLL for flexible clocking, and a computer operating properly (COP) watchdog. The device operates from 3.0 V to 3.6 V supply and supports the industrial -40C to +105C or extended -40C to +125C junction temperature ranges.
Architecturally, the 56800E core uses four 36-bit accumulators fed by a 16x16-bit MAC producing 36-bit results, an Address Generation Unit (AGU) with hardware looping, and a Bit Manipulation Unit (BMU) for efficient bit-field control code. The unified 32 KB data RAM doubles as parameter RAM, and the 56800E instruction set is friendly to C compilers while remaining compact for hand-written assembly in time-critical interrupt service routines.
Typical applications include variable-frequency drives (VFDs), sensorless and sensored BLDC/PMSM motor control for home appliances (washing machines, refrigerators, air-conditioner compressors), industrial servo drives, HVAC blowers, solar micro-inverters, and digital power-conversion control loops. The combination of deterministic PWM timing, fast ADC-to-PWM latency, and CAN connectivity is particularly suited to multi-axis industrial machinery.
Designers should note that the 64-pin LQFP version is one of three package options in the family; the part suffix (VLH = LQFP-64, VLH is the standard, R = tape and reel) maps directly to a given distributor SKU. When migrating from the 56F8025/56F8027, careful review of the peripheral pin map is required because several PWM and GPIO functions are remapped across package options.
This page synthesizes distributor pricing, drop-in same-package alternatives from the 56F803x family, and practical design notes for 3-phase motor control not found in the manufacturer datasheet.
Drop-in alternatives for MC56F8037VLHR — 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 MC56F8037VLHR (same form factor and footprint) — differing in Core Architecture, ADC, Package, Timers, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8037VLH
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →MC56F8257VLH
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8027VLH
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC56F8035VLH
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8347VVFE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$17.9 / Unit
View Datasheet →MC56F84585VLK
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.3 / Unit
View Datasheet →MC56F8037VLHR Maximum Ratings & Electrical Characteristics
| Core Architecture | 56800E (dual Harvard, 3 execution units) |
| Bit Width | 16-bit |
| Maximum Clock Frequency | 32 MHz |
| Program Flash | 64 KB (32K x 16) |
| Data / Parameter RAM | 32 KB (unified) |
| Package | 64-pin LQFP (10x10 mm) |
| Supply Voltage | 3.0 V to 3.6 V |
| ADC | 12-bit, up to 8 channels |
| PWM Modules | Dual 6-channel high-speed PWM |
| Communication Peripherals | QSPI, 2x SCI/UART, I2C, CAN 2.0 |
| Timers | 3x 16-bit timers |
| Watchdog | COP (Computer Operating Properly) |
| Oscillator | Internal relaxation oscillator with PLL |
| Operating Temperature | -40C to +105C (industrial) / -40C to +125C (extended) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| MSL Level | 3 (per JEDEC J-STD-020) |
MC56F8037VLHR Pin Configuration
| Pin 1 | PWM0A — PWM Channel 0 Output A |
| Pin 2 | PWM0B — PWM Channel 0 Output B |
| Pin 3 | PWM1A — PWM Channel 1 Output A |
| Pin 4 | PWM1B — PWM Channel 1 Output B |
| Pin 5 | PWM2A — PWM Channel 2 Output A |
| Pin 6 | PWM2B — PWM Channel 2 Output B |
| Pin 7 | VDD — 3.3 V Digital Supply |
| Pin 8 | VSS — Digital Ground |
| Pin 9 | PWM3A — PWM Channel 3 Output A |
| Pin 10 | PWM3B — PWM Channel 3 Output B |
| Pin 11 | PWM4A — PWM Channel 4 Output A |
| Pin 12 | PWM4B — PWM Channel 4 Output B |
| Pin 13 | PWM5A — PWM Channel 5 Output A |
| Pin 14 | PWM5B — PWM Channel 5 Output B |
| Pin 15 | ANA0 — ADC Analog Input 0 |
| Pin 16 | ANA1 — ADC Analog Input 1 |
| Pin 17 | ANA2 — ADC Analog Input 2 |
| Pin 18 | ANA3 — ADC Analog Input 3 |
| Pin 19 | VDDA — Analog Supply 3.3 V |
| Pin 20 | VSSA — Analog Ground |
| Pin 21 | ANA4 — ADC Analog Input 4 |
| Pin 22 | ANA5 — ADC Analog Input 5 |
| Pin 23 | ANA6 — ADC Analog Input 6 |
| Pin 24 | ANA7 — ADC Analog Input 7 |
| Pin 25 | TCK — JTAG Test Clock (OnCE) |
| Pin 26 | TMS — JTAG Test Mode Select |
| Pin 27 | TDI — JTAG Test Data In |
| Pin 28 | TDO — JTAG Test Data Out |
| Pin 29 | TRST — JTAG Test Reset |
| Pin 30 | GPIOB0 — General Purpose I/O B0 |
| Pin 31 | GPIOB1 — General Purpose I/O B1 |
| Pin 32 | GPIOB2 — General Purpose I/O B2 |
| Pin 33 | GPIOB3 — General Purpose I/O B3 |
| Pin 34 | CAN_TX — CAN Transmit |
| Pin 35 | CAN_RX — CAN Receive |
| Pin 36 | SS — QSPI Slave Select |
| Pin 37 | MOSI — QSPI Master Out Slave In |
| Pin 38 | MISO — QSPI Master In Slave Out |
| Pin 39 | SCLK — QSPI Serial Clock |
| Pin 40 | SDA — I2C Serial Data |
| Pin 41 | SCL — I2C Serial Clock |
| Pin 42 | TXD0 — SCI0 Transmit |
| Pin 43 | RXD0 — SCI0 Receive |
| Pin 44 | TXD1 — SCI1 Transmit |
| Pin 45 | RXD1 — SCI1 Receive |
| Pin 46 | IRQA — External Interrupt A |
| Pin 47 | IRQB — External Interrupt B |
| Pin 48 | GPIOC0 — General Purpose I/O C0 |
| Pin 49 | GPIOC1 — General Purpose I/O C1 |
| Pin 50 | GPIOC2 — General Purpose I/O C2 |
| Pin 51 | GPIOC3 — General Purpose I/O C3 |
| Pin 52 | GPIOC4 — General Purpose I/O C4 |
| Pin 53 | GPIOC5 — General Purpose I/O C5 |
| Pin 54 | GPIOC6 — General Purpose I/O C6 |
| Pin 55 | GPIOC7 — General Purpose I/O C7 |
| Pin 56 | GPIOD0 — General Purpose I/O D0 |
| Pin 57 | GPIOD1 — General Purpose I/O D1 |
| Pin 58 | GPIOD2 — General Purpose I/O D2 |
| Pin 59 | GPIOD3 — General Purpose I/O D3 |
| Pin 60 | VDD — 3.3 V Digital Supply |
| Pin 61 | VSS — Digital Ground |
| Pin 62 | RESET — External Reset (active low) |
| Pin 63 | XTAL1 — Crystal Oscillator Input |
| Pin 64 | XTAL2 — Crystal Oscillator Output |
Typical Applications
MC56F8037VLHR is suitable for 6 applications: Variable-Frequency Drive (VFD) for Industrial Motors, Sensorless BLDC Motor Control for Home Appliances, HVAC Compressor and Fan Control, Digital Solar Micro-Inverter, Industrial Servo Drive, Power Tool Motor Control (Cordless Drill, Saw).
Variable-Frequency Drive (VFD) for Industrial Motors
The MC56F8037VLHR executes Field-Oriented Control (FOC) for 3-phase AC induction and PMSM motors in industrial variable-frequency drives. Its dual 6-channel PWM modules with programmable dead-time directly drive IGBT or MOSFET inverter stages, while the 12-bit ADC synchronizes current and DC-bus voltage sampling to PWM edges to minimize switching noise. The 56800E core at 32 MHz completes a full FOC loop (Clarke/Park transforms, PI controllers, SVM) within a 20 kHz control period. CAN connectivity allows integration into industrial networks for remote monitoring and parameter tuning.
Recommended
Sensorless BLDC Motor Control for Home Appliances
In washing-machine drum motors, refrigerator compressors, and ceiling-fan BLDC drives, the MC56F8037VLHR runs sensorless back-EMF or space-vector commutation algorithms. The 56800E core's 16x16-bit MAC with 36-bit accumulator executes the real-time observer math within sub-millisecond cycles, while the QSPI port drives external gate-driver ICs and the I2C port reads temperature sensors. The Watchdog (COP) and Stop/Wait low-power modes support ENERGY STAR standby targets for white goods.
Recommended
HVAC Compressor and Fan Control
Air-conditioner and heat-pump compressor inverters use the MC56F8037VLHR to drive the outdoor unit's BLDC compressor motor and indoor blower fans. The 56800E's deterministic interrupt latency ensures the compressor's current loop stays in lockstep with the grid-line synchronization logic, while the dual PWM modules independently control compressor and fan with different switching frequencies. CAN or SCI connectivity provides Modbus/CANopen networking for building-management systems.
Recommended
Digital Solar Micro-Inverter
The MC56F8037VLHR controls single-panel micro-inverters that convert photovoltaic DC to grid-synchronized AC. Its 12-bit ADC samples the PV string voltage and grid voltage for MPPT (Maximum Power Point Tracking) and PLL grid synchronization, while the dual PWM modules generate the high-frequency push-pull or full-bridge switching at 50-100 kHz. The internal relaxation oscillator with PLL provides the precise timing reference required for grid-tie compliance without an external crystal.
Recommended
Industrial Servo Drive
Multi-axis industrial servo drives use the MC56F8037VLHR's 56800E core to execute high-bandwidth position/velocity/torque loops with sub-millisecond update rates. The CAN interface carries the CANopen DS402 or EtherCAT (via companion chip) motion-control commands, and the QSPI drives high-resolution absolute encoders. With 64 KB Flash, complex profile-generation and vibration-suppression firmware fits without external memory.
Recommended
Power Tool Motor Control (Cordless Drill, Saw)
Battery-powered cordless tools (drills, impact drivers, circular saws) use the MC56F8037VLHR to drive brushless motors with precise torque and speed control. The 56800E core runs field-weakening algorithms for high-RPM operation and active braking sequences, while the 12-bit ADC monitors battery current for overload protection. Low-power Wait/Stop modes extend battery life when the trigger is released.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8037VLHR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8037VLH | MC56F8257VLH | MC56F8027VLH | MC56F8035VLH |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 64-LQFP (10x10) | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same | 64-LQFP (10x10) - same |
| Core | 56800E @ 32 MHz | 56800E @ 32 MHz | 56800E @ 60 MHz | 56800E @ 32 MHz | 56800E @ 32 MHz |
| Flash | 64 KB | 64 KB | 64 KB | 32 KB (-50%) | 48 KB (-25%) |
| RAM | 32 KB | 32 KB | 8 KB (-75%) | 8 KB (-75%) | 16 KB (-50%) |
| PWM Channels | 12 (dual 6-ch) | 12 | 12 (enhanced) | 12 | 12 |
| ADC | 12-bit, 8 ch | 12-bit, 8 ch | 12-bit, 8 ch (faster) | 12-bit, 8 ch | 12-bit, 8 ch |
| CAN | Yes (CAN 2.0) | Yes | Yes | Yes | Yes |
Key Differentiators
- Higher on-chip RAM than the 56F8257 upgrade path (vs MC56F8257VLH)
- More Flash than the 56F8035 memory-reduced variant (vs MC56F8035VLH)
- Larger memory than the 56F8027 cost-down variant (vs MC56F8027VLH)
Design Notes
Decouple all VDD/VSS pin pairs with 100 nF X7R ceramic capacitors placed within 5 mm of each supply pin; place one 4.7 uF bulk capacitor near the package. The VDDA/VSSA analog supply pair must use a 100 nF plus 10 uF RC filter to isolate the 12-bit ADC from digital switching noise. Estimate: at 32 MHz with typical 130 mW dissipation, local decoupling prevents >50 mV supply droop during PWM edge transitions that would otherwise couple into ADC readings.
Route PWM outputs directly to the gate-driver IC with minimal trace length and no vias when possible. Keep ADC current-sense traces as short differential pairs from the shunt resistor to the ANAx pins, with the antiparallel Schottky diode footprint placed adjacent to the analog input. The PCB should provide a ground plane split under the analog section only, with a single-point stitching connection near the VSSA pin. The JTAG/OnCE header (TCK/TMS/TDI/TDO/TRST) should be routed to a 2x5 0.05" header or Tag-Connect footprint for production programming.
Do not assume the relaxation oscillator alone provides sufficient accuracy for CAN or UART timing at high bit rates - the datasheet specifies +/-2% to +/-5% internal tolerance before trimming, which exceeds the +/-1.5% required by CAN at 1 Mbps. Use an external crystal for any CAN bus at >500 kbps. Additionally, when migrating from the 56F8027 to the 56F8037, verify that the PWM fault-input pin mapping is correct - several pins are remapped between memory variants and an incorrect firmware port will leave the inverter unprotected.
Estimated: at 3.3 V supply with 130 mW typical active dissipation, the LQFP-64 (10x10) has a theta_JA of approximately 50 C/W on a 4-layer JEDEC test board, giving a junction temperature rise of 6.5 C above ambient at room temperature. For operation at the upper industrial limit (+105 C ambient), ensure the design stays below the +125 C or +150 C junction limit by either limiting operating frequency or providing a small copper-pour heatsink on the package top.
Compliance Information
Per NXP product page: RoHS compliant, lead-free, halogen-free per IEC 61249-2-21. Not AEC-Q100 qualified; for automotive motor control consider the 56F8367 or S32K family instead.
