MC56F8145VFGE - 16-bit DSC, 56800E, 128KB Flash, 40MHz | NXP
MPN: MC56F8145VFGE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.49 | $18.49 |
| 10 | $16.64 | $166.40 |
| 100 | $14.79 | $1,479.00 |
| 500 | $13.2 | $6,600.00 |
| 1,000 | $11.84 | $11,840.00 |
MC56F8145VFGE Overview
A digital signal controller is a hybrid device that merges a microcontroller's interrupt-driven control architecture with a DSP's single-cycle MAC engine. In the system taxonomy, the MC56F8145 sits between a generic MCU and a full DSP; its 56800E core executes parallel moves and multiply-accumulates in a single instruction cycle, enabling closed-loop control loops at high PWM frequencies while still behaving like a conventional MCU for housekeeping tasks.
Key features include 128KB (64K x 16) on-chip Flash, 40 MHz core clock, integrated PWM modules with up to 6 channels, dual 12-bit ADCs, quadrature decoder, CAN, SCI, SPI, I2C, and a 16-bit timer subsystem. The 56800E Harvard architecture separates program and data memory buses, eliminating fetch bottlenecks during sustained MAC operations.
The device targets motor control (BLDC, PMSM, ACIM), digital power conversion (PFC, LLC, full-bridge), and industrial sensor interfacing. Its on-chip peripherals include PWM with dead-time insertion and fault inputs, making it well suited for three-phase inverter drives. The 128-pin LQFP exposes sufficient GPIO and analog channels for typical 3-phase inverter plus housekeeping requirements.
Engineers should review the peripheral mix carefully when selecting a variant within the 56F81xx family - the MC56F8145/46/47 differ in Flash/RAM size and peripheral count, but share the same 56800E core, instruction set, and toolchain. This page synthesizes distributor pricing, drop-in 56F81xx alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Drop-in alternatives for MC56F8145VFGE — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8147VFGE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8135VFGE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8145VFGE-R2
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8147VFGER2
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8145VFGE Maximum Ratings & Electrical Characteristics
| Core Architecture | 56800E (16-bit DSC, Harvard) |
| Maximum CPU Clock | 40 MHz |
| Program Flash | 128 KB (64K x 16) |
| Data Bus Width | 16 bit |
| Supply Voltage | 2.5 V / 3.3 V |
| Package | 128-LQFP (14 x 20 mm) |
| Mounting Type | Surface Mount |
| ADC | Dual 12-bit (per family datasheet, channel count not in scraped data) |
| PWM Channels | Up to 6 (per family datasheet) |
| Communication Interfaces | CAN, SCI, SPI, I2C (per family datasheet) |
| Operating Temperature | -40C to +105C (industrial) |
| Instruction Set | 56800E (DSP + controller) |
| RoHS Status | Compliant (per NXP product page) |
| Lifecycle | NRND (Not Recommended for New Designs) |
| Lead-Free | Yes |
MC56F8145VFGE 128-lqfp (14 x 20 mm) Pin Configuration Guide
Pin configuration for MC56F8145VFGE (128-lqfp (14 x 20 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MC56F8145VFGE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC56F8145VFGE is suitable for 6 applications: BLDC / PMSM Motor Drive Control, Digital Power Conversion (PFC, LLC, Full-Bridge), Industrial Servo and Stepper Control, Solar Inverter / Renewable Energy Control, Automotive Body and Chassis Modules, Uninterruptible Power Supply (UPS) Control.
BLDC / PMSM Motor Drive Control
The MC56F8145VFGE is purpose-built for three-phase brushless DC and permanent-magnet synchronous motor control, combining a 40 MIPS 56800E core with on-chip PWM modules that feature dead-time insertion and fault shutdown inputs. Its dual 12-bit ADCs sample phase currents and DC-bus voltage within a single PWM period, while the quadrature decoder reads encoder or Hall-sensor signals for rotor position. The 128-LQFP exposes enough GPIO and analog channels to drive a complete 3-phase inverter plus housekeeping, and the 56800E's single-cycle MAC executes field-oriented-control (FOC) math without CPU stall. Compared with a generic MCU, the DSC's deterministic interrupt latency and hardware MAC keep current-loop bandwidths high enough for low-speed torque ripple suppression.
Recommended
Digital Power Conversion (PFC, LLC, Full-Bridge)
For digital power supplies, the MC56F8145VFGE's 56800E core runs average-current-mode PFC and phase-shifted full-bridge control loops at switching frequencies up to several hundred kHz. Its PWM channels with programmable dead time directly drive the synchronous rectifier timing, while the on-chip 12-bit ADCs sample inductor current and output voltage with sub-microsecond conversion latency. The 128KB Flash holds a complete digital-compensation state machine plus telemetry, and the 40 MHz CPU leaves headroom for housekeeping communication (PMBus/UART) without disturbing the control loop. NXP's DSC reference libraries include PFC and LLC firmware that targets this exact 56F81xx family, reducing development time for SMPS designs.
Recommended
Industrial Servo and Stepper Control
In industrial servo and stepper drives, the MC56F8145VFGE integrates all the peripherals needed for a closed-loop position controller on a single chip: PWM output for the power stage, quadrature decoder for incremental encoder feedback, dual ADCs for current sensing, and CAN or SCI for network communication with the host controller. The 56800E's deterministic interrupt response ensures the current loop is sampled at a precise PWM-aligned instant, eliminating the jitter that can degrade torque smoothness in precision servo applications. The 128-LQFP package provides sufficient pins for differential encoder inputs, fault inputs, and digital I/O without requiring external logic.
Recommended
Solar Inverter / Renewable Energy Control
Grid-tied solar inverters and small wind converters leverage the MC56F8145VFGE's MAC throughput to run MPPT algorithms and grid-synchronization PLL loops in real time. The DSC's PWM channels drive the inverter IGBTs at low-distortion THD, and the on-chip ADCs simultaneously sample DC-link voltage, AC output current, and grid voltage for islanding detection. The 128KB Flash stores grid-code parameter sets and protection-state machines, while the CAN/UART interface reports telemetry to a system-level energy-management controller. The 40 MHz clock budget comfortably accommodates the dual control loops (MPPT plus current shaping) required for residential string-inverter designs.
Recommended
Automotive Body and Chassis Modules
The MC56F8145VFGE's CAN interface, combined with its on-chip PWM and ADC channels, makes it suitable for cost-sensitive automotive body and chassis subsystems such as electric power steering, water pumps, and HVAC blowers. Although not AEC-Q100 qualified (per family documentation), the device operates over the industrial -40C to +105C range and is widely deployed in non-safety automotive applications. The 56800E core processes sensor fusion and motor control in a single device, eliminating the dual-chip MCU+DSP solutions used in older designs. The 128-LQFP footprint is shared with the broader 56F81xx family, allowing PCB reuse across vehicle variants.
Recommended
Uninterruptible Power Supply (UPS) Control
Online UPS systems require simultaneous control of the rectifier, battery charger, and inverter stages - a multi-loop control problem well suited to the MC56F8145VFGE. The DSC executes three parallel control loops (input PFC, battery charging, output inverter) within a single 40 MHz core, using the on-chip PWM channels to drive each power stage independently. The 12-bit ADCs sample all critical voltages and currents, and the integrated CAN/SPI interface reports status to the system monitoring board. The 128KB Flash supports full state-machine logic for grid failure detection, seamless transfer, and battery health monitoring. Designers benefit from NXP's DSC firmware libraries which include UPS reference implementations.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8145VFGE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8147VFGE | MC56F8135VFGE | MC56F8145VFGE-R2 | MC56F8147VFGER2 | MC56F8346VFVE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 128-LQFP (14x20 mm) | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 128-LQFP (14x20 mm) - same | 144-LQFP (20x20 mm) - different |
| Core | 56800E | 56800E | 56800E | 56800E | 56800E | 56800E |
| Max Clock | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz | 60 MHz |
| Program Flash | 128 KB | Larger than 128 KB | 64 KB (-50%) | 128 KB | Larger than 128 KB | Larger than 128 KB |
| Pin Count | 128 | 128 | 128 | 128 | 128 | 144 |
Key Differentiators
- Same 128-LQFP footprint as the broader 56F81xx family, enabling PCB reuse (vs MC56F8346VFVE (144-LQFP))
- 128KB Flash balances memory headroom with die cost (vs MC56F8135VFGE (64KB Flash))
- 56800E core delivers DSP-class MAC throughput at MCU-class interrupt latency (vs Generic Cortex-M0/M0+ MCUs)
Design Notes
Estimated: at maximum core clock of 40 MHz with 3.3 V I/O supply and typical 56800E core current of ~80 mA, internal dissipation is approximately 0.26 W. The 128-LQFP has theta_JA on the order of 40-50 C/W (JEDEC EIA/JESD51 4-layer test board), giving a 10-20C rise above ambient. Verify against the datasheet thermal table for the final layout; placing thermal vias under the exposed pad helps for any design approaching 0.5 W.
Estimated: a 128-LQFP at 0.4 mm pitch requires careful PCB layout. Use 0.2 mm trace width and 0.2 mm spacing between fine-pitch pins, with via-in-pad or micro-vias under the device to escape inner rows. Place all decoupling capacitors (one 100 nF per supply pin group, plus bulk 10 uF near the regulator) within 5 mm of the pins; the 56800E core is sensitive to supply ripple during PWM-edge switching events. Maintain a continuous ground plane beneath the device to minimize EMI from switching outputs.
Because the MC56F8145VFGE is flagged NRND on the NXP product page, do not start new designs without a migration plan. Verify the active 56F81xx derivatives (MC56F8346, MC56F8135, etc.) on the NXP site for your target memory and peripheral needs. Also note that the 56800E uses big-endian byte ordering by default - mixed-endian code from generic MCU toolchains must be reviewed before porting. The JTAG port shares pins with GPIO on some derivatives; reserve these as boundary-scan pins until firmware is locked.
Route PWM output traces with matched length and a guard ground to minimize skew across the three-phase inverter gate-driver inputs. Place the ADC reference decoupling capacitor (typically 100 nF + 10 uF) within 5 mm of the VREF pin; noise here directly degrades current-sensing accuracy in FOC loops. For CAN bus, place the transceiver within 25 mm of the MC56F8145 CAN pins and use 120 ohm termination only at the bus ends, not at every node.
Compliance Information
RoHS compliance and lead-free status confirmed via NXP product page and DigiKey listing. AEC-Q100 not qualified (industrial-grade only). REACH, halogen-free, and conflict-mineral declarations should be requested directly from NXP for the latest status.
