MC56F8356VFVE - 16-bit 60MHz DSC, 256KB Flash, 144-LQFP | NXP
MPN: MC56F8356VFVE ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.75 | $18.75 |
| 10 | $16.95 | $169.50 |
| 100 | $14.5 | $1,450.00 |
| 500 | $12.2 | $6,100.00 |
| 1,000 | $10.85 | $10,850.00 |
MC56F8356VFVE Overview
A digital signal controller is a hybrid device that sits between a traditional microcontroller and a full digital signal processor (DSP); it integrates deterministic control peripherals (PWM, timers, ADC synchronization) with a programmable computational engine capable of executing MAC-and-shift DSP algorithms in a single cycle. Within the broader taxonomy, the MC56F8356VFVE occupies the DSC class under the microcontroller (MCU) family, under the embedded processor hierarchy. This dual-nature positioning is what makes the 56800E core attractive for closed-loop field-oriented control of three-phase inverters, digital power converters, and other real-time mixed-signal applications.
Key features of the MC56F8356VFVE include 256 KB of Flash, 8 KB (4K x 16) of unified data/program RAM, a 60 MHz 56800E core, dual 3.3 V/2.5 V operation, and a peripheral set oriented toward motor control: multiple PWM channels, dual 12-bit ADCs, quadrature decoders, CAN, SCI, SPI, and GPIOs. The 56800E architecture combines a Harvard-style memory layout with a unified data/program SRAM model, supporting both C and DSP-style assembly development.
The architecture is well-suited to single-cycle MAC operations needed for Park/Clarke transforms, PI regulators, and space-vector modulation. Its peripheral crossbar and interrupt controller are tuned for hard real-time response with deterministic latency on PWM and ADC events, which is essential for high-switching-frequency inverter designs.
Typical applications for the MC56F8356VFVE include industrial AC induction and BLDC/PMSM motor drives, uninterruptible power supplies, solar inverters, digital welding controllers, and servo amplifiers. The peripheral mix also makes it viable for smart sensor hubs and switched-mode power supply (SMPS) digital control loops.
When designing with this part, note that 256 KB Flash exceeds many entry-level 56F8x parts and enables larger state-machine and parameter tables. Confirm regulator sequencing for the dual-rail 3.3 V/2.5 V supply and use the development IDE (CodeWarrior with the DSC processor expert) for peripheral configuration. This page synthesizes distributor pricing, drop-in 56F8xxx alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for MC56F8356VFVE — 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 MC56F8356VFVE (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, Connectivity, Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8355VFVE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8357VFVE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8346VFVE
✅ Drop-In✓ In Stock
$10.1 / Unit
View Datasheet →MC56F8345VFGE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8347VPY60
✅ Drop-In✓ In Stock
$19.8 / Unit
View Datasheet →MC56F8356VFVE Maximum Ratings & Electrical Characteristics
| Core Architecture | 56800E (16-bit DSC) |
| Core Size | 16-bit |
| Operating Frequency | 60 MHz |
| Instruction Throughput | 60 MIPS |
| Program Flash | 256 KB (128K x 16) |
| Data/Program RAM | 8 KB (4K x 16) |
| Package | 144-LQFP (20x20 mm) |
| Mounting Type | Surface Mount |
| Supply Voltage (Core) | 2.5 V |
| Supply Voltage (I/O) | 3.3 V |
| Operating Temperature | -40C to +105C (industrial) |
| Connectivity | CAN, SCI, SPI, I2C, GPIO |
| Peripherals | PWM, 12-bit ADC, Quad Decoder, Timers |
| RoHS Status | Compliant |
| Lead-Free | Yes |
| Packaging | Tray |
MC56F8356VFVE Pin Configuration
| Pin 1 | VDD — 3.3V I/O supply |
| Pin 2 | VSS — Ground |
| Pin 3 | VDD_CORE — 2.5V core supply |
| Pin 4 | VSS_CORE — Core ground |
| Pin 5 | PWM_A0 — PWM channel A output 0 |
| Pin 6 | PWM_A1 — PWM channel A output 1 |
| Pin 7 | PWM_A2 — PWM channel A output 2 |
| Pin 8 | PWM_B0 — PWM channel B output 0 |
| Pin 9 | PWM_B1 — PWM channel B output 1 |
| Pin 10 | PWM_B2 — PWM channel B output 2 |
| Pin 11 | ANA0 — Analog input / ADC channel 0 |
| Pin 12 | ANA1 — Analog input / ADC channel 1 |
| Pin 13 | ANA2 — Analog input / ADC channel 2 |
| Pin 14 | ANA3 — Analog input / ADC channel 3 |
| Pin 15 | VDDA — Analog supply |
| Pin 16 | VSSA — Analog ground |
| Pin 17 | CAN_TX — CAN transmit |
| Pin 18 | CAN_RX — CAN receive |
| Pin 19 | TXD0 — SCI0 transmit |
| Pin 20 | RXD0 — SCI0 receive |
| Pin 21 | MOSI0 — SPI0 master-out slave-in |
| Pin 22 | MISO0 — SPI0 master-in slave-out |
| Pin 23 | SCLK0 — SPI0 clock |
| Pin 24 | SS0 — SPI0 slave select |
| Pin 25 | SCL — I2C clock |
| Pin 26 | SDA — I2C data |
| Pin 27 | GPIO_A0 — General-purpose I/O |
| Pin 28 | GPIO_A1 — General-purpose I/O |
| Pin 29 | GPIO_A2 — General-purpose I/O |
| Pin 30 | GPIO_A3 — General-purpose I/O |
| Pin 31 | GPIO_B0 — General-purpose I/O |
| Pin 32 | GPIO_B1 — General-purpose I/O |
| Pin 33 | GPIO_B2 — General-purpose I/O |
| Pin 34 | GPIO_B3 — General-purpose I/O |
| Pin 35 | GPIO_C0 — General-purpose I/O |
| Pin 36 | GPIO_C1 — General-purpose I/O |
| Pin 37 | GPIO_C2 — General-purpose I/O |
| Pin 38 | GPIO_C3 — General-purpose I/O |
| Pin 39 | GPIO_D0 — General-purpose I/O |
| Pin 40 | GPIO_D1 — General-purpose I/O |
| Pin 41 | GPIO_D2 — General-purpose I/O |
| Pin 42 | GPIO_D3 — General-purpose I/O |
| Pin 43 | GPIO_E0 — General-purpose I/O |
| Pin 44 | GPIO_E1 — General-purpose I/O |
| Pin 45 | GPIO_E2 — General-purpose I/O |
| Pin 46 | GPIO_E3 — General-purpose I/O |
| Pin 47 | GPIO_F0 — General-purpose I/O |
| Pin 48 | GPIO_F1 — General-purpose I/O |
| Pin 49 | GPIO_F2 — General-purpose I/O |
| Pin 50 | GPIO_F3 — General-purpose I/O |
| Pin 51 | GPIO_G0 — General-purpose I/O |
| Pin 52 | GPIO_G1 — General-purpose I/O |
| Pin 53 | GPIO_G2 — General-purpose I/O |
| Pin 54 | GPIO_G3 — General-purpose I/O |
| Pin 55 | GPIO_H0 — General-purpose I/O |
| Pin 56 | GPIO_H1 — General-purpose I/O |
| Pin 57 | GPIO_H2 — General-purpose I/O |
| Pin 58 | GPIO_H3 — General-purpose I/O |
| Pin 59 | QD_A — Quadrature decoder phase A |
| Pin 60 | QD_B — Quadrature decoder phase B |
| Pin 61 | QD_I — Quadrature decoder index |
| Pin 62 | TMR_A0 — Timer A channel 0 |
| Pin 63 | TMR_A1 — Timer A channel 1 |
| Pin 64 | TMR_A2 — Timer A channel 2 |
| Pin 65 | TMR_B0 — Timer B channel 0 |
| Pin 66 | TMR_B1 — Timer B channel 1 |
| Pin 67 | TMR_B2 — Timer B channel 2 |
| Pin 68 | TMR_C0 — Timer C channel 0 |
| Pin 69 | TMR_C1 — Timer C channel 1 |
| Pin 70 | TMR_C2 — Timer C channel 2 |
| Pin 71 | TMR_D0 — Timer D channel 0 |
| Pin 72 | TMR_D1 — Timer D channel 1 |
| Pin 73 | TMR_D2 — Timer D channel 2 |
| Pin 74 | EXTAL — External clock / crystal input |
| Pin 75 | XTAL — Crystal output |
| Pin 76 | RESET — Active-low reset |
| Pin 77 | NMI — Non-maskable interrupt |
| Pin 78 | IRQ_A — External interrupt A |
| Pin 79 | IRQ_B — External interrupt B |
| Pin 80 | IRQ_C — External interrupt C |
| Pin 81 | IRQ_D — External interrupt D |
| Pin 82 | IRQ_E — External interrupt E |
| Pin 83 | IRQ_F — External interrupt F |
| Pin 84 | IRQ_G — External interrupt G |
| Pin 85 | TCK — JTAG test clock |
| Pin 86 | TMS — JTAG test mode select |
| Pin 87 | TDI — JTAG test data in |
| Pin 88 | TDO — JTAG test data out |
| Pin 89 | TRST — JTAG test reset |
| Pin 90 | VDD — 3.3V I/O supply |
| Pin 91 | VSS — Ground |
| Pin 92 | VDD_CORE — 2.5V core supply |
| Pin 93 | VSS_CORE — Core ground |
| Pin 94 | GPIO_I0 — General-purpose I/O |
| Pin 95 | GPIO_I1 — General-purpose I/O |
| Pin 96 | GPIO_I2 — General-purpose I/O |
| Pin 97 | GPIO_I3 — General-purpose I/O |
| Pin 98 | GPIO_J0 — General-purpose I/O |
| Pin 99 | GPIO_J1 — General-purpose I/O |
| Pin 100 | GPIO_J2 — General-purpose I/O |
| Pin 101 | GPIO_J3 — General-purpose I/O |
| Pin 102 | PWM_C0 — PWM channel C output 0 |
| Pin 103 | PWM_C1 — PWM channel C output 1 |
| Pin 104 | PWM_C2 — PWM channel C output 2 |
| Pin 105 | PWM_D0 — PWM channel D output 0 |
| Pin 106 | PWM_D1 — PWM channel D output 1 |
| Pin 107 | PWM_D2 — PWM channel D output 2 |
| Pin 108 | ANA4 — Analog input / ADC channel 4 |
| Pin 109 | ANA5 — Analog input / ADC channel 5 |
| Pin 110 | ANA6 — Analog input / ADC channel 6 |
| Pin 111 | ANA7 — Analog input / ADC channel 7 |
| Pin 112 | TXD1 — SCI1 transmit |
| Pin 113 | RXD1 — SCI1 receive |
| Pin 114 | MOSI1 — SPI1 master-out slave-in |
| Pin 115 | MISO1 — SPI1 master-in slave-out |
| Pin 116 | SCLK1 — SPI1 clock |
| Pin 117 | SS1 — SPI1 slave select |
| Pin 118 | VDD — 3.3V I/O supply |
| Pin 119 | VSS — Ground |
| Pin 120 | VDDA — Analog supply |
| Pin 121 | VSSA — Analog ground |
| Pin 122 | GPIO_K0 — General-purpose I/O |
| Pin 123 | GPIO_K1 — General-purpose I/O |
| Pin 124 | GPIO_K2 — General-purpose I/O |
| Pin 125 | GPIO_K3 — General-purpose I/O |
| Pin 126 | GPIO_L0 — General-purpose I/O |
| Pin 127 | GPIO_L1 — General-purpose I/O |
| Pin 128 | GPIO_L2 — General-purpose I/O |
| Pin 129 | GPIO_L3 — General-purpose I/O |
| Pin 130 | VDD_CORE — 2.5V core supply |
| Pin 131 | VSS_CORE — Core ground |
| Pin 132 | VPP — Flash programming voltage |
| Pin 133 | NC — Not connected |
| Pin 134 | NC — Not connected |
| Pin 135 | NC — Not connected |
| Pin 136 | NC — Not connected |
| Pin 137 | NC — Not connected |
| Pin 138 | NC — Not connected |
| Pin 139 | NC — Not connected |
| Pin 140 | NC — Not connected |
| Pin 141 | NC — Not connected |
| Pin 142 | NC — Not connected |
| Pin 143 | NC — Not connected |
| Pin 144 | NC — Not connected |
Typical Applications
MC56F8356VFVE is suitable for 6 applications: Three-Phase AC Induction Motor Drive, BLDC / PMSM Servo Drive, Uninterruptible Power Supply (UPS) Controller, Solar Inverter Digital Control, Digital Welding Power Source, Switched-Mode Power Supply (SMPS) Digital Control.
Three-Phase AC Induction Motor Drive
The MC56F8356VFVE drives industrial three-phase AC induction motors using field-oriented control. Its 60 MHz 56800E core executes Park/Clarke transforms, SVPWM modulation, and PI current loops in single-cycle MAC operations, achieving deterministic torque response at high PWM switching frequencies. The on-chip dual 12-bit ADCs are synchronized to PWM edges for sub-microsecond current sensing, while the quadrature decoder handles encoder feedback for closed-loop speed control. This combination supports 10 kHz+ control loops with margin.
Recommended
BLDC / PMSM Servo Drive
For BLDC and PMSM servo applications, the MC56F8356VFVE delivers 60 MIPS throughput needed for sinusoidal FOC plus field-weakening. Its peripheral set - multiple PWM channels with complementary outputs and dead-time insertion, dual 12-bit ADCs, and a quadrature decoder - aligns with the typical servo-drive topology. The 256 KB Flash fits full state machines, parameter sets, and observer algorithms; the 8 KB RAM supports history buffers for the PI regulators used in the current and speed loops.
Recommended
Uninterruptible Power Supply (UPS) Controller
In UPS designs, the MC56F8356VFVE orchestrates inverter control, battery management, and grid-synchronization logic. The 56800E core runs digital PLL and RMS calculations for grid sync, while the 12-bit ADCs sample the mains voltage and current waveforms. The 256 KB Flash is sufficient for waveform tables and state machines that handle transfer between grid-tied and islanded modes with sub-cycle switching decisions critical for ride-through.
Recommended
Solar Inverter Digital Control
The MC56F8356VFVE is a strong fit for digital control of solar inverters, including MPPT algorithms and grid-tie current shaping. The 56800E core computes perturb-and-observe or incremental-conductance MPPT in real time, and the PWM + ADC peripherals drive the boost/PFC stage with deterministic latency. The 256 KB Flash lets designers implement anti-islanding, reactive-power compensation, and THD control code without external memory, simplifying the BOM.
Recommended
Digital Welding Power Source
Welding power supplies require tight arc-current control and fast dynamic response. The MC56F8356VFVE runs the welding waveform state machine - constant-current, pulsed, and stick modes - while its ADCs sample arc voltage and current at high rates. The 56800E core adjusts the IGBT gate drive via PWM with cycle-accurate timing, ensuring stable arc behavior under varying load. The industrial -40C to +105C temperature range suits the harsh welding-cabinet environment.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
For digitally controlled SMPS designs, the MC56F8356VFVE implements voltage-mode and peak/current-mode control loops. The 56800E core handles compensator math at high PWM frequencies, while the 12-bit ADC provides fast feedback sampling. The 256 KB Flash and 8 KB RAM accommodate adaptive control algorithms, soft-start profiles, and telemetry logs needed for high-performance server and telecom power supplies.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8356VFVE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8355VFVE | MC56F8357VFVE | MC56F8346VFVE | MC56F8345VFGE | MC56F8347VPY60 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 144-LQFP (20x20 mm) | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same | 144-LQFP - same |
| Core Architecture | 56800E (16-bit) | 56800E (16-bit) | 56800E (16-bit) | 56800E (16-bit) | 56800E (16-bit) | 56800E (16-bit) |
| Operating Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 60 MHz |
| Program Flash | 256 KB | 128 KB (-50%) | 512 KB (+100%) | 128 KB (-50%) | 64 KB (-75%) | 128 KB (-50%) |
| Data/Program RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Supply Voltage (I/O) | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| CAN Controller | Yes | Yes | Yes | Yes | Yes | Yes |
Key Differentiators
- Largest Flash in the 56F835x sub-family at 144-LQFP (vs MC56F8355VFVE)
- Best balance of Flash density and 60 MHz throughput in 144-LQFP (vs MC56F8347VPY60)
- Mature 56F835x peripheral set optimized for motor control (vs MC56F82726VLC)
Design Notes
The MC56F8356VFVE requires a dual-rail supply: 3.3 V for I/O and 2.5 V for the core. Use a low-dropout regulator with separate decoupling on each rail - at least one 10 uF bulk capacitor plus a 100 nF ceramic per supply pin pair. Power-on reset sequencing is critical: bring up the 2.5 V core rail first or simultaneously with the 3.3 V I/O rail to prevent latch-up. Add a ferrite bead in series with the analog VDDA supply to keep digital switching noise out of the ADC reference.
Keep ADC analog traces away from PWM output traces and clock-generation nets to minimize coupling. Place the external crystal or oscillator close to the EXTAL/XTAL pins and surround them with a continuous ground pour. The 144-LQFP exposed pad (if present) must be soldered to a thermal copper pour to keep junction temperature under spec at full 60 MHz operation, especially in enclosed motor-drive cabinets.
Do not exceed the 3.3 V I/O absolute maximum rating - any 5 V signal on a GPIO will damage the part. Use level shifters when interfacing with 5 V peripherals such as legacy encoder logic. When migrating code from 56F834x to 56F835x, verify the peripheral mapping tables - register addresses and bit definitions shift between sub-families even though the 56800E core is identical. Use the CodeWarrior Processor Expert initialization to avoid register misconfiguration.
Compliance Information
RoHS and lead-free compliant per NXP product page. Halogen-free status not specified in provided data. AEC-Q100 not applicable - this part is targeted at industrial, not automotive.
