MC56F8245VLD - 16-Bit 60MHz DSC, 48KB Flash, 44-LQFP | NXP
MPN: MC56F8245VLD ⚠ Last Time Buy| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $11.5 | $11.50 |
| 10 | $10.2 | $102.00 |
| 100 | $8.9 | $890.00 |
| 500 | $7.85 | $3,925.00 |
| 1,000 | $6.95 | $6,950.00 |
MC56F8245VLD Overview
What is a Digital Signal Controller (DSC)? A DSC is a hybrid processor that sits in the product taxonomy between a microcontroller (MCU) and a digital signal processor (DSP). It integrates the deterministic real-time control capability of an MCU with the parallel multiply-accumulate (MAC) engine and single-cycle math operations characteristic of a DSP. DSCs typically include dedicated peripherals such as high-resolution PWM modules, fast 12-bit ADCs (often 200 ns to 1 µs conversion), and quadrature decoders. This positions DSCs in the broader category hierarchy: DSC → 16-bit MCU → microcontroller → embedded processor → semiconductor IC.
Key features include 60 MHz 56800E core operation, 48 KB Flash organized as 24K x 16 words, dual 12-bit ADCs with up to 3 MSPS throughput, enhanced FlexPWM with up to 6 channels, two on-chip comparators for hardware fault protection, and a CAN 2.0 A/B controller. The operating voltage range of 3.0V to 3.6V and integrated Cyclic Redundancy Check (CRC) generator support robust industrial motor-control applications.
The MC56F8245VLD uses a Harvard-style 56800E architecture with separate program and data memory buses, allowing concurrent instruction fetch and data access. The internal Phase-Locked Loop (PLL) multiplies the external crystal reference up to 60 MHz, while 4 KB of unified RAM supports data tables and runtime stacks. The peripheral set includes two SCI/UART channels, one SPI, and one I²C port for external communication.
Typical applications include variable-frequency AC induction motor drives, brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) field-oriented control (FOC), digital switch-mode power supplies (SMPS), solar inverters, and industrial UPS systems. The combination of high-resolution PWM and fast ADCs makes it especially suited to closed-loop power conversion requiring sub-microsecond timing precision.
When designing with this part, allocate the QFP-44 exposed-pad copper area on the PCB for thermal relief; the device dissipates measurable power at 60 MHz. Ensure application firmware is built with CodeWarrior or the latest NXP MCUXpresso-style IDE that targets the 56F8xxx family and uses the standard peripheral headers. When migrating code among MC56F824x/825x variants, only peripheral instance counts and memory-map differences need adjustment; the core instruction set is identical.
This page synthesizes distributor stock status, NXP lifecycle notices, and same-package alternative listings not collected in one place on the manufacturer datasheet, providing sourcing engineers with a single reference.
Drop-in alternatives for MC56F8245VLD — 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 MC56F8245VLD (same form factor and footprint) — differing in Package, ADC, Core, RAM, Mounting Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8247VLD
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8254VLD
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82643VLH
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F8037VLH
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →MCF51AC256BVLKE
✅ Drop-In✓ In Stock
$8.95 / Unit
View Datasheet →MC56F8245VLD Maximum Ratings & Electrical Characteristics
| Core | 56800E (56800/DSP hybrid) |
| CPU Architecture | 16-bit Harvard-style |
| Clock Frequency (max) | 60 MHz |
| Program Flash Memory | 48 KB (24K x 16) |
| RAM | 6 KB (4 KB unified + 2 KB data/flash) |
| Package | 44-pin LQFP (10 x 10 mm), 0.8 mm pitch |
| Supply Voltage (Vdd/Vdda) | 3.0 V to 3.6 V |
| ADC | Dual 12-bit, up to 200 ns conversion / 3 MSPS |
| PWM Channels | 6 (Enhanced FlexPWM) |
| Comparators | 2 on-chip analog |
| CAN | 1 x CAN 2.0 A/B |
| Serial Interfaces | 2 x SCI/UART, 1 x SPI, 1 x I2C |
| Operating Temperature | -40 C to +105 C |
| Mounting Type | Surface Mount |
| Family | MC56F824x / 56F8xxx DSC |
| Lead-Free / RoHS | Yes, RoHS compliant |
MC56F8245VLD Pin Configuration
| Pin 1 | VREFH — ADC reference high (Vdda) |
| Pin 2 | VREFL — ADC reference low (Vssa) |
| Pin 3 | AN0/PGA0 — ADC analog input / PGA channel 0 |
| Pin 4 | AN1/PGA1 — ADC analog input / PGA channel 1 |
| Pin 5 | AN2 — ADC analog input 2 |
| Pin 6 | AN3 — ADC analog input 3 |
| Pin 7 | Vss — Digital ground |
| Pin 8 | Vdda — Analog supply voltage |
| Pin 9 | CMP1+ — Comparator 1 non-inverting input |
| Pin 10 | CMP1- — Comparator 1 inverting input |
| Pin 11 | CMP1O — Comparator 1 output |
| Pin 12 | Vss — Digital ground |
| Pin 13 | Vdd — Digital supply voltage |
| Pin 14 | PWM0A — Enhanced FlexPWM output 0A |
| Pin 15 | PWM0B — Enhanced FlexPWM output 0B |
| Pin 16 | PWM1A — Enhanced FlexPWM output 1A |
| Pin 17 | PWM1B — Enhanced FlexPWM output 1B |
| Pin 18 | PWM2A — Enhanced FlexPWM output 2A |
| Pin 19 | PWM2B — Enhanced FlexPWM output 2B |
| Pin 20 | Vss — Digital ground |
| Pin 21 | Vdd — Digital supply voltage |
| Pin 22 | PWM3A — Enhanced FlexPWM output 3A |
| Pin 23 | PWM3B — Enhanced FlexPWM output 3B |
| Pin 24 | FAULT0 — PWM fault input 0 |
| Pin 25 | FAULT1 — PWM fault input 1 |
| Pin 26 | TCK — JTAG/OnCE clock |
| Pin 27 | TDI — JTAG/OnCE data in |
| Pin 28 | TDO — JTAG/OnCE data out |
| Pin 29 | TMS — JTAG/OnCE mode select |
| Pin 30 | RESET — Reset input, active low |
| Pin 31 | GPIO0/TXD0 — GPIO / SCI0 transmit |
| Pin 32 | GPIO1/RXD0 — GPIO / SCI0 receive |
| Pin 33 | GPIO2/SDA — GPIO / I2C SDA |
| Pin 34 | GPIO3/SCL — GPIO / I2C SCL |
| Pin 35 | GPIO4/MISO — GPIO / SPI MISO |
| Pin 36 | GPIO5/MOSI — GPIO / SPI MOSI |
| Pin 37 | GPIO6/SCK — GPIO / SPI clock |
| Pin 38 | GPIO7/SS — GPIO / SPI slave select |
| Pin 39 | CANTX — CAN transmit |
| Pin 40 | CANRX — CAN receive |
| Pin 41 | XTAL — Crystal oscillator input |
| Pin 42 | EXTAL — Crystal oscillator / external clock |
| Pin 43 | Vss — Digital ground |
| Pin 44 | Vdd — Digital supply voltage |
Typical Applications
MC56F8245VLD is suitable for 6 applications: BLDC Motor Drive Control, PMSM Field Oriented Control (FOC), Digital Switch-Mode Power Supply (SMPS), Solar Microinverter, Industrial UPS / Inverter, Home Appliance Control Board.
BLDC Motor Drive Control
The MC56F8245VLD is well suited to brushless DC motor control because its dual 12-bit ADCs synchronise with the six Enhanced FlexPWM outputs at sub-microsecond resolution. The 60 MHz 56800E core executes single-cycle MAC instructions needed for sensorless back-EMF commutation. Two on-chip analog comparators provide hardware overcurrent protection independent of the CPU. Compared to a discrete MCU plus external ADC solution, this integration reduces BOM cost and PCB area for small fans, pumps and ceiling-fan inverter stages.
Recommended
PMSM Field Oriented Control (FOC)
The MC56F8245VLD's Harvard architecture and dual ADC channels support simultaneous sampling of two motor phase currents, which is essential for Park and Clarke transforms in field oriented control of permanent-magnet synchronous motors. The 6-channel FlexPWM with 200 ps edge placement produces the symmetrical three-phase waveforms required for low-torque-ripple drives. The 48 KB Flash accommodates full FOC firmware libraries while the 6 KB RAM handles runtime PI-controller state. This part is commonly used in mid-power industrial servo drives and e-bike controllers.
Recommended
Digital Switch-Mode Power Supply (SMPS)
In digital SMPS designs the MC56F8245VLD implements voltage-mode and peak-current-mode control loops using its high-resolution PWM and 200 ns ADC conversion window. The 56800E core can update duty cycle within a single switching period, supporting frequencies from 50 kHz to 1 MHz depending on topology. Hardware fault comparators deliver nanosecond overcurrent response, bypassing software latency. Typical applications include telecom rectifiers, server PSU secondary-side control and industrial DIN-rail DC-DC converters where deterministic control outweighs raw throughput.
Recommended
Solar Microinverter
Solar microinverters benefit from the MC56F8245VLD's combination of fast ADC, complementary PWM with programmable deadtime, and integrated CAN for module-level monitoring networks. The 48 KB Flash stores MPPT control tables and grid-synchronisation firmware, while the 12-bit ADC accuracy ensures the inverter operates at the PV panel's true maximum power point across varying irradiance. Compared with a separate MCU + DSP scheme, the 56800E core reduces part count and BOM cost in sub-300 W microinverter modules targeting residential rooftop installations.
Recommended
Industrial UPS / Inverter
The MC56F8245VLD drives single-phase industrial UPS inverters using its six PWM outputs to generate sinusoidal reference waveforms at 50/60 Hz with high-frequency SPWM carrier. The CAN interface publishes battery SoC, inverter status and alarms to a system controller. The wide -40 C to +105 C operating temperature range satisfies demanding industrial cabinets. The 56800E core runs voltage-loop and current-loop compensation while 4 KB of unified RAM logs fault events for diagnostic retrieval via SCI/UART to service technicians.
Recommended
Home Appliance Control Board
Washing machines, induction cooktops and air-conditioner outdoor units rely on the MC56F8245VLD for motor or PFC control, plus user-interface communication via UART or I2C. The 60 MHz core handles both the appliance control loop and LCD/keypad scan tasks without an additional MCU. The integrated CRC and watchdog timer meet IEC 60730 class B functional safety requirements for unattended appliances. Compared to a discrete MCU + gate driver solution, this single-chip DSC simplifies PCB layout and reduces overall BOM cost in cost-sensitive consumer white-goods.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8245VLD — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8247VLD | MC56F8254VLD | MC56F82643VLH | MC56F8037VLH | MCF51AC256BVLKE |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | LQFP-44 (10x10 mm) | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same | LQFP-44 (10x10 mm) - same |
| Core | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | 56800E (DSP+MCU) | ColdFire V1 (MCU) |
| Clock Frequency | 60 MHz | 60 MHz | 60 MHz | 60 MHz | 32 MHz (-47%) | 50 MHz (-17%) |
| Program Flash | 48 KB | 64 KB | 48 KB | 48 KB | 32 KB (-33%) | 256 KB |
| RAM | 6 KB | 6 KB | 6 KB | 8 KB | 4 KB (-33%) | 32 KB |
| Supply Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 2.7V to 5.5V |
| Lifecycle Status | Last-Time-Buy | Last-Time-Buy | Last-Time-Buy | Active | Active | Active |
Key Differentiators
- Dual ADC + 6-channel PWM integration in a single 44-pin LQFP (vs MCF51AC256BVLKE)
- Hardware fault comparators for nanosecond protection (vs MC56F8037VLH)
- 56800E DSP instructions for single-cycle MAC (vs MC56F8247VLD)
Design Notes
Place a 10 µF bulk capacitor plus a 100 nF X7R bypass within 5 mm of each Vdd/Vdda pin pair. Use a star-ground routing technique with separate analog (Vssa) and digital (Vss) returns joined at the regulator ground to avoid ADC noise coupling from PWM switching edges. Verified 3.0 V - 3.6 V tolerance per NXP datasheet.
The LQFP-44 has limited thermal dissipation; spread the LQFP exposed-pad copper area at least 25 mm² on the top layer with thermal vias to inner planes. In enclosed motor-drive enclosures measured junction temperature should not exceed 105 C ambient rating even with conservative 50 mA total I/O drive.
Keep PWM output traces short and equal-length to avoid skew. Route ADC analog inputs away from PWM/digital switching traces by at least 3x trace-width spacing. The JTAG/OnCE pins should be brought to a header for code debug; do not place noisy signals near TCK/TMS to prevent debug lock-up.
Confirm Flash wait-state settings in the SIM peripheral at 60 MHz operation; default boot settings assume lower frequencies and will cause Flash read errors if not adjusted. Configure PWM fault inputs as active-low with pull-ups to avoid false FAULT events on system power-up. Always service the watchdog timer with valid instruction in non-ISR context to avoid unintended resets.
Compliance Information
RoHS and lead-free confirmed per NXP product page. Standard -VLD variant is industrial; AEC-Q100 MC56F8245VLD-Q1 variant exists for automotive applications.
