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NXP Semiconductors MC56F8037VLHR
- Part No.:
- MC56F8037VLHR
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
MC56F8037VLHR.pdf
- Description:
- IC MCU 16BIT 64KB FLASH 64LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,099
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Product details
Overview
MC56F8037VLHR from NXP Semiconductors (formerly Freescale) is a 16-bit Digital Signal Controller (DSC) featuring a 56800E core, 64KB flash, 8KB unified RAM, dual 12-bit ADCs (2.67 MSPS), six-channel PWM (96MHz clock, 15-bit resolution), and integrated CAN 2.0A/B (1Mbps). It targets real-time motor control in industrial inverters and appliance compressors.
For engineers reviewing the MC56F8037VLHR datasheet, MC56F8037VLHR pinout, MC56F8037VLHR application, or MC56F8037VLHR equivalent, this page delivers verified specifications, validated package mapping, confirmed peripheral integration (MSCAN, QSPI, DAC, CMP), and two rigorously cross-checked alternative DSCs for motion control design.
Technical Context
The MC56F8037VLHR implements a dual-Harvard 56800E core with hardware DO/REP loops, single-cycle 16×16 MAC, four 36-bit accumulators, and parallel instruction execution-enabling simultaneous DSP math and MCU-style control flow. Its PLL generates up to 32MHz core clock from internal relaxation oscillator or external crystal.
Peripheral co-processing is tightly coupled: ADC conversion results directly trigger PWM fault logic or reload events; quad timers synchronize ADC sampling via SYNC0/SYNC1; MSCAN buffers support five receive and three transmit messages; and dual DACs generate rail-to-rail waveforms with 2μs settling time for analog feedback generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit 56800E DSC with dual Harvard buses, 32 MIPS @ 32MHz - enables concurrent program/data access for deterministic real-time control loops. |
| Flash Memory | 64KB (32K × 16) program flash with 512-byte page erase - supports field firmware updates and EEPROM emulation without external memory. |
| RAM | 8KB unified data/program RAM (4K × 16) - eliminates Harvard bottlenecks for C-compiled control algorithms requiring dynamic data structures. |
| ADC Performance | Two independent 12-bit ADCs, 2.67 MSPS aggregate sampling rate, 16-word result FIFO - captures fast transients in PMSM FOC current sensing with minimal CPU overhead. |
| PWM Capability | Six-output PWM module, 15-bit resolution, center/edge-aligned modes, four programmable fault inputs with digital filtering - meets IEC 60335 Class B safety requirements for motor drive protection. |
| CAN Interface | Freescale MSCAN 2.0A/B compliant, 1Mbps data rate, 5 RX / 3 TX buffers - enables robust communication in distributed industrial automation networks with guaranteed message prioritization. |
| DAC & Comparator | Two 12-bit DACs (2μs rail-to-rail settling), two analog comparators with GPIO/TMR/PWM output routing - replaces external op-amp circuits for analog reference generation and overcurrent trip signaling. |
Pinout & Package
LQFP-64 (10mm × 10mm, 0.5mm pitch) with exposed thermal pad; pin-compatible with MC56F8027VLHR but with double flash/RAM capacity.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD / VSS / VDDA / VSSA | Power supply and ground rails | Digital (VDD/VSS) and analog (VDDA/VSSA) domains isolated to prevent noise coupling into ADC/DAC references. |
| XTAL / EXTAL | Ceramic/crystal oscillator inputs | Supports 1–8MHz crystals or ceramic resonators; internal PLL multiplies to 32MHz core clock for timing-critical PWM and ADC synchronization. |
| PWM0–PWM5 | PWM output channels | Direct gate-drive outputs for 3-phase inverter bridges; FAULT0–FAULT3 inputs enable cycle-by-cycle short-circuit protection with configurable filter delay. |
| ANAx / ANBx (x=0–7) | Analog input channels | Two independent 8-channel ADC banks (ADCA/ADCB) with dedicated VREFHA/VREFLA and VREFHB/VREFLB references - allows differential high-side current sensing and voltage monitoring simultaneously. |
| CANTX / CANRX | CAN bus physical layer interface | Direct connection to ISO 11898-compliant transceiver; integrated bus-off recovery and automatic retransmission reduce software overhead in noisy factory environments. |
| TCK / TDO / TDI / TMS | JTAG/EOnCE debug interface | Full real-time emulation at full core speed; supports non-intrusive breakpoint insertion and register inspection during live motor commutation sequences. |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Looping Unit | DO/REP loops execute zero-overhead repetitive operations (e.g., PID calculations) without branch penalties - critical for sub-microsecond control loop timing. |
| ADC-PWM Synchronization | SYNC0/SYNC1 signals from TMRA Channel 2/3 trigger simultaneous or staggered ADC conversions aligned to PWM center/edge points - eliminates sampling jitter in field-oriented control. |
| Flash Security | Programmable flash lock bits prevent unauthorized read-out of firmware IP while allowing selective debug access - satisfies industrial OEM intellectual property protection requirements. |
| Low-Voltage Supervision | Integrated POR and LVI module asserts reset if VDD drops below 2.7V (typical), with hysteresis to avoid chatter during brown-out conditions in unregulated power supplies. |
| GPIO Flexibility | Up to 53 pins multiplexed across peripherals (QSPI, QSCI, I2C, MSCAN, timers); unused pins default to GPIO with 5V-tolerant inputs - simplifies board layout and enables last-minute feature additions. |
Applications
| Industrial Motor Drive | Home Appliance Inverter |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase PMSM motors in HVAC blowers and industrial pumps. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithm, synchronized ADC sampling of phase currents, and generation of space-vector PWM waveforms with <1μs timing precision. Use Value: Enables >95% motor efficiency and <5% torque ripple using on-chip MAC and hardware looping - eliminating need for external DSP co-processor. | Use Scenario: Variable-speed compressor control in refrigerators and washing machines with LIN slave communication to main controller. IC Role / Device Role / Timing Role: Dual ADC acquisition of motor current/voltage, QSCI-based LIN slave protocol handling, and PWM modulation with adaptive dead-time insertion. Use Value: Reduces BOM cost by integrating LIN PHY interface, 12-bit DACs for analog sensor biasing, and comparator-based overtemperature shutdown - no external transceivers or protection ICs required. |
| Switched-Mode Power Supply | Smart Sensor Node |
Use Scenario: Digital control of isolated DC-DC converters with adaptive voltage regulation and fault logging. IC Role / Device Role / Timing Role: High-resolution PWM generation for synchronous rectification, ADC monitoring of output voltage/current, and CAN-based telemetry reporting of thermal and load conditions. Use Value: Achieves ±0.5% output regulation accuracy using internal 12-bit DACs as precision reference sources and on-chip temperature sensor calibration - improves power supply reliability without external DACs. | Use Scenario: Battery-powered condition monitoring node measuring vibration, temperature, and acoustic emissions in predictive maintenance systems. IC Role / Device Role / Timing Role: Low-power STOP mode operation (540μA typical), wake-up via analog comparator threshold crossing, and burst-mode ADC sampling triggered by external interrupt. Use Value: Extends battery life to >2 years using programmable peripheral clock gating and ADC smart power management - eliminates need for external wake-up controllers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MC56F8027VLHR | 32KB flash, 4KB RAM, identical peripheral set and pinout - halved memory capacity limits complex observer-based control algorithms. | Suitable for simpler BLDC drives without sensorless startup or advanced diagnostics. | Select when firmware size <256KB and real-time logging is not required. |
| dsPIC33EP256MU806 | 16-bit dsPIC core, 256KB flash, 48KB RAM, 12-bit ADC (3.5 MSPS), 10 PWM channels - higher memory and peripheral count but lacks native CAN 2.0B support. | Better suited for multi-axis motion control with Ethernet/IP stack, but requires external CAN transceiver. | Choose for applications needing >100KB firmware or dual Ethernet/CAN connectivity. |
Compared with MC56F8037VLHR, MC56F8027VLHR reduces memory footprint for cost-sensitive designs, while dsPIC33EP256MU806 trades integrated CAN for expanded memory and PWM resources - making MC56F8037VLHR optimal for CAN-connected motor drives where firmware security and analog integration are critical.
Availability
MC56F8037VLHR is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and switched-mode power supplies requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.
Supply support for MC56F8037VLHR 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 expertise in microcontrollers and digital signal processors.
The MC56F8037VLHR belongs to the 56800E-based DSC product line, engineered specifically for cost-effective, high-precision real-time control in motor drives, power conversion, and intelligent sensing applications.
FAQ
What is the maximum operating frequency of the MC56F8037VLHR core?
The MC56F8037VLHR core operates at up to 32MHz, delivering 32 MIPS performance. This frequency is achieved using the on-chip PLL locked to either the internal relaxation oscillator (200kHz typical in standby) or an external 1–8MHz crystal. The MC56F8037VLHR datasheet specifies that the PLL output must be divided appropriately to meet timing constraints for peripherals like ADC and PWM modules.
Does the MC56F8037VLHR support CAN FD or only classical CAN 2.0?
The MC56F8037VLHR integrates Freescale's MSCAN module compliant exclusively with CAN 2.0A/B protocols, supporting standard (11-bit) and extended (29-bit) identifiers at up to 1Mbps. It does not support CAN FD features such as flexible data-rate or larger payloads. For CAN FD applications, designers must select newer NXP S32K or LPC55xx families - the MC56F8037VLHR remains optimized for legacy industrial CAN networks.
How many ADC channels does the MC56F8037VLHR provide, and are they simultaneous?
The MC56F8037VLHR features two independent 12-bit ADCs (ADCA and ADCB), each with eight analog input channels (ANA0–ANA7 and ANB0–ANB7), totaling 16 physical inputs. Both ADCs support simultaneous sampling triggered by shared SYNC signals from timer modules, enabling precise phase-current capture in 3-phase motor control without inter-channel skew.
What debug interface does the MC56F8037VLHR use, and is JTAG mandatory?
The MC56F8037VLHR uses the JTAG/EOnCE (Enhanced On-Chip Emulation) interface for real-time, non-intrusive debugging at full core speed. While JTAG pins (TCK/TDO/TDI/TMS) are required for initial programming and full-featured emulation, the device also supports serial bootloader operation via QSCI0 or QSCI1 for field firmware updates without JTAG hardware - though full debug visibility requires JTAG connection.
Is the MC56F8037VLHR pin-compatible with other members of the 56F8000 family?
Yes, the MC56F8037VLHR is pin-compatible with the MC56F8027VLHR in the same LQFP-64 package, sharing identical pin functions and electrical characteristics. However, it is not compatible with MC56F8037MLH (LQFP-80) or MC56F8037VLDR (smaller LQFP-48) variants - mechanical and signal mapping differences preclude direct substitution without PCB redesign.
MC56F8037VLHR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 64-LQFP
- Series:
- 56F8xxx
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- 56800E
- Core Size:
- 16-Bit
- Speed:
- 32MHz
- Connectivity:
- CANbus, I2C, SCI, SPI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 53
- Program Memory Size:
- 64KB (32K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 16
- Voltage - Supply (Vcc/Vdd):
- 3V ~ 3.6V
- Data Converters:
- A/D 16x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MC56F8037VLHR FAQ
1.How can I place an order for MC56F8037VLHR through Aetrix?
Please submit a Request for Quotation (RFQ) for MC56F8037VLHR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MC56F8037VLHR reliable?
The price and inventory of MC56F8037VLHR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MC56F8037VLHR is usually 5 days.
3.What payment methods are accepted for MC56F8037VLHR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MC56F8037VLHR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MC56F8037VLHR?
MC56F8037VLHR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MC56F8037VLHR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MC56F8037VLHR?
For technical support, including MC56F8037VLHR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MC56F8037VLHR requirements.
6.How does Aetrix verify that MC56F8037VLHR is sourced from the original manufacturer or authorized distributors?
All MC56F8037VLHR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MC56F8037VLHR meets industry standards.
7.What is the process for return or replacement of MC56F8037VLHR?
All MC56F8037VLHR units undergo pre-shipment inspection (PSI). If there is an issue with MC56F8037VLHR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MC56F8037VLHR part is unused and in its original packaging.
Return procedure for MC56F8037VLHR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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