MC56F8356MFVE - 16-bit 60MHz DSC, 256KB Flash | NXP
MPN: MC56F8356MFVE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MC56F8356MFVE Overview
A digital signal controller is a hybrid device that combines the computational throughput of a digital signal processor (DSP) with the peripheral integration and control flow of a microcontroller (MCU). Within the power management hierarchy, the 56800E-based 56F8xxx family sits between general-purpose MCUs and dedicated DSPs, offering single-cycle MAC instructions, hardware loops, and bit manipulation suited to real-time closed-loop control such as motor control and power conversion.
Key features of the MC56F8356MFVE include the 16-bit 56800E CISC core at 60 MHz, 256KB program flash, on-chip RAM, 2.5V/3.3V supply operation, and a rich peripheral set typical of the 56F835x family including PWM modules, ADCs, timers, and serial communication interfaces for embedded control systems.
Architecturally, the 56800E core executes a dual Harvard-style instruction fetch with dedicated address generation units, allowing simultaneous multiply-accumulate and address arithmetic. This enables deterministic execution of control loops such as field-oriented motor control, digital power supplies, and sensor signal processing without external memory.
Typical applications include industrial motor drives, switching power supplies and inverters, digital UPS systems, and automotive auxiliary control units where the combination of DSP math and MCU peripherals reduces bill-of-materials complexity.
A key design consideration: NXP lists the MC56F8356MFVE as End of Life (EOL). New designs should evaluate pin-compatible family members or newer 56F8xxxx series parts, while existing designs should secure last-time-buy inventory.
This page synthesizes distributor availability data, drop-in alternative comparisons, and lifecycle guidance not consolidated in the manufacturer datasheet, per verified data as of 2026-10-18.
Drop-in alternatives for MC56F8356MFVE — 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 MC56F8356MFVE (same form factor and footprint) — differing in Package, Core Architecture, Program Memory Size, ADC, Communication Interfaces.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8357VVFE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$8.36 / Unit
View Datasheet →MC56F8355MFGE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$15.7 / Unit
View Datasheet →MC56F8347VVFE
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$17.9 / Unit
View Datasheet →MC56F8346MFVE
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →MC56F8346VFVE
✅ Drop-In✓ In Stock
$10.1 / Unit
View Datasheet →MC56F8366MFVE
✅ Drop-In✓ In Stock
$38.24 / Unit
View Datasheet →MC56F8365MFGE
✅ Drop-In✓ In Stock
$17.6 / Unit
View Datasheet →MC56F8356MFVE Specifications
| Core Processor | 56800E |
| Core Size | 16-bit |
| Maximum Clock Frequency | 60 MHz |
| Program Memory Size | 256KB (128K x 16) Flash |
| Supply Voltage | 2.5V / 3.3V |
| Architecture | CISC (56800E core-based DSC) |
| Product Family | 56F8xxx (56800E core DSC family) |
| Package | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Pin Count | 144 |
| Packaging | Tray |
| Product Status | End of Life (EOL) |
MC56F8356MFVE 144-lqfp (20x20 mm) Pin Configuration Guide
Pin configuration for MC56F8356MFVE (144-lqfp (20x20 mm) package). Pin numbering, functions, and connection diagrams are defined in the manufacturer datasheet. Refer to it for the exact footprint and soldering guidelines.
No detailed pinout data available for MC56F8356MFVE.
Refer to the datasheet for full pin configuration.
Typical Applications
MC56F8356MFVE is suitable for 6 applications: Industrial Motor Drives, Digital Power Conversion, Automotive Auxiliary Control, Embedded Sensor Signal Processing, Industrial Automation and PLC I/O, Test and Measurement Instrumentation.
Industrial Motor Drives
The MC56F8356MFVE fits industrial motor drive designs because its 56800E core performs single-cycle multiply-accumulate operations at 60 MHz, the computational backbone of field-oriented control (FOC) for PMSM and induction motors. The 56F835x family integrates PWM and ADC peripherals purpose-built for inverter control, so current sampling, Park/Clarke transforms, and PWM update fit inside a deterministic control loop without external math coprocessors. In use, the DSC reads phase currents via its ADC, executes the control algorithm in firmware, and drives the inverter gate stage through its PWM module; the flash-resident program removes external memory from the loop path. The trade-off is EOL status - designs should secure last-time-buy stock or plan migration to the pin-compatible MC56F8366MFVE.
Recommended
Digital Power Conversion
Switching power supplies, inverters, and UPS systems benefit from the MC56F8356MFVE's combination of 60 MHz DSP-grade math throughput and integrated control peripherals. Digital power loops require sensor sampling, compensator calculation (PI/PID), and PWM duty update within one switching period; the 56800E core's hardware addressing and single-cycle MAC make this deterministic, while 256KB (128K x 16) flash accommodates soft-start, protection, and communication firmware in a single device. In circuit terms, the DSC replaces analog control ICs, reducing BOM complexity and enabling configurable control laws. Because NXP lists the part as End of Life, use it in sustaining designs only; new digital-power projects should adopt active 56F8xxxx parts sharing the same programming model.
Recommended
Automotive Auxiliary Control
Xecor comparison data associates the MC56F83xx family with automotive-grade qualification in some variants (the MC56F8366MFVE is listed as automotive 144-pin LQFP), and the same platform supports auxiliary automotive control units such as pump controllers, HVAC blower drives, and actuator positioning. The MC56F8356MFVE's 16-bit 56800E core at 60 MHz delivers the real-time control needed for sensor-based closed loops, while 256KB flash holds diagnostics and fault-handling code alongside the control algorithm. Its 2.5V/3.3V supply operation integrates with standard automotive low-voltage rails via a local regulator. For new automotive designs, prefer the active, automotive-referenced MC56F8366MFVE in the same 144-LQFP footprint to avoid EOL sourcing risk.
Recommended
Embedded Sensor Signal Processing
Sensor-intensive systems - flow meters, weighing scales, vibration monitors - need DSP filtering (FIR/IIR) plus MCU-style I/O and communication, exactly the hybrid role the MC56F8356MFVE was designed for. The 56800E core executes single-cycle MAC instructions at 60 MHz, so a multi-tap FIR filter per sample period is easily budgeted, while 256KB flash retains calibration tables, compensation curves, and firmware overlays. On-chip ADC channels digitize sensor inputs directly, and serial peripherals stream processed results to a host. In practice the DSC replaces a discrete DSP-plus-MCU two-chip solution, cutting board area and inter-processor latency. Designs should verify ADC performance against datasheet electrical specifications, since sensor accuracy often depends on the converter rather than core speed.
Recommended
Industrial Automation and PLC I/O
Programmable logic controller (PLC) I/O modules and small automation nodes use the MC56F8356MFVE for fast, deterministic I/O handling combined with signal processing. The 144-pin LQFP exposes a large GPIO multiplexing matrix, allowing one DSC to service many digital and analog channels with timers handling pulse measurement and PWM output in hardware, offloading the 60 MHz 56800E core. The 256KB (128K x 16) flash supports field-updatable firmware images with headroom for protocol stacks, and 2.5V/3.3V operation suits standard industrial logic levels. Because the part is End of Life, existing PLC designs should map to MC56F8366MFVE (same package, 512KB flash) which Xecor data lists as Active, minimizing board redesign.
Recommended
Test and Measurement Instrumentation
Bench and embedded instrumentation - power analyzers, electronic loads, motor test stands - employ the MC56F8356MFVE as a real-time control engine alongside a host processor. Its 56800E core at 60 MHz handles fast inner loops (voltage/current regulation of an electronic load, motor torque profiling), while the host handles UI and data logging; the DSC's 256KB flash stores calibration and limit tables, and serial peripherals provide the host link. The deterministic DSP math avoids the jitter that general-purpose MCUs introduce into control loops, improving measurement repeatability. When specifying new instruments, use the active MC56F8366MFVE to preserve the identical 144-LQFP footprint and programming model while eliminating EOL supply exposure.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8356MFVE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8366MFVE | MC56F8346MFVE | MC56F8346VFVE | MC56F8365MFGE |
|---|---|---|---|---|---|
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Brand | NXP Semiconductors (Freescale legacy) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Bus Width | 56800E, 16-bit | 56800E, 16-bit | 56800E, 16-bit | 56800E, 16-bit | 56800E, 16-bit |
| Max Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Packaging | Tray | Tray | Tray | Tray | Tray |
Key Differentiators
- Largest flash in its immediate variant group (vs MC56F8346MFVE)
- Active-lifecycle successor with double the memory (vs MC56F8366MFVE)
- Deterministic DSP-grade control loop execution (vs MC56F8365MFGE)
Design Notes
The MC56F8356MFVE is officially End of Life per NXP's product page. Before committing a design, confirm remaining distributor stock (DigiKey, Mouser, Octopart lists 16 distributors) and file a last-time-buy. For long-lifetime industrial products, qualify the MC56F8366MFVE, which shares the 56800E core, 60 MHz speed, and 144-LQFP package but is listed as Active with 512KB flash, so migration is primarily a memory-map and pin-multiplex verification exercise rather than a redesign.
The device operates from 2.5V/3.3V supplies. Design the power tree so the 3.3V I/O rail powers the LQFP I/O banks while the internal 2.5V core domain follows the datasheet's power sequencing and decoupling recommendations - place 0.1 uF ceramic decoupling capacitors at each supply pin pair, close to the package. Verify per-rail current figures and sequencing order in the MC56F8356 technical data sheet before finalizing the regulator selection, as incorrect sequencing of the core and I/O domains is a common field-failure cause on 56F83xx boards.
The 144-pin LQFP has 0.5 mm pitch gull-wing leads on a 20x20 mm body. Use a solder-mask-defined footprint per the datasheet package drawing, fan out with 0.2-0.25 mm traces, and reserve thermal vias near the die center for heat spreading on motor-drive loads. Keep the crystal/oscillator traces short and guarded by ground. For EMI in inverter applications, route PWM outputs away from ADC input traces and add RC filtering on current-sense inputs to prevent switching-noise coupling into feedback loops.
Compliance Information
RoHS and environmental details are listed on NXP's official MC56F8356MFVE product page (Environmental Quality section) but exact statuses were not exposed in the retrieved snippets; consult the NXP page for authoritative compliance data.
