MC56F8322MFAE - 60MHz 56800E DSC, 32KB Flash | NXP LQFP-48
MPN: MC56F8322MFAE ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $14.82 | $14.82 |
| 10 | $13.45 | $134.50 |
| 100 | $11.92 | $1,192.00 |
| 500 | $10.18 | $5,090.00 |
| 1,000 | $8.75 | $8,750.00 |
MC56F8322MFAE Overview
A digital signal controller (DSC) is a hybrid processor category that sits between a microcontroller (MCU) and a digital signal processor (DSP) in the embedded-semiconductor hierarchy: MCU -> DSC -> DSP -> processor. DSCs typically use a Harvard-style architecture with parallel execution units, deterministic interrupt response, single-cycle MAC, and integrated analog peripherals, targeting real-time control loops such as motor drives, power conversion, and audio processing.
Key features include 32 KB (16K x 16) of Flash program memory, up to 60 MIPS sustained throughput at 60 MHz, a 56800E Harvard-style core with three parallel execution units capable of six operations per instruction cycle, and an instruction set optimized for both DSP and control code. The 48-LQFP device integrates peripherals including CAN, SCI, SPI, ADC, PWM, and GPIOs. Operating voltage is 2.5 V core / 3.3 V I/O.
The 56800E core combines DSP-class MAC and barrel-shifter resources with MCU-style peripheral and interrupt handling, allowing efficient C compilation while still sustaining real-time DSP loops. The Harvard architecture with separate program and data buses enables deterministic single-cycle instruction fetch and dual operand reads, which is critical for tight digital control loops.
Typical applications include digital motor control (BLDC, PMSM, stepper), AC/DC and DC/DC power conversion, uninterruptible power supplies, audio processing, and industrial automation. The CAN interface plus PWM outputs make this DSC especially suited to automotive and industrial control nodes.
When designing with this device, allocate a minimum 2.5 V regulated rail with adequate decoupling (4.7 µF + 0.1 µF) close to the VDD pins, and follow the recommended oscillator startup delay sequence to avoid Flash corruption during boot.
This page synthesizes distributor stock and pricing, AEC-Q100 automotive temperature grade details, and drop-in alternative guidance not found in the standalone manufacturer datasheet, helping engineers shorten sourcing and qualification cycles.
Drop-in alternatives for MC56F8322MFAE — 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 MC56F8322MFAE (same form factor and footprint) — differing in Package, Core, Operating Temperature, Mounting Type, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MC56F8322VFAE
✅ Drop-In📋 Reference alternative (not in catalog)
MC56F82723VLC
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.45 / Unit
View Datasheet →MC56F82726VLF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.18 / Unit
View Datasheet →MC56F8322MFAE Maximum Ratings & Electrical Characteristics
| Core | 56800E |
| Data Bus Width | 16 bit |
| Maximum Clock Frequency | 60 MHz |
| Sustained Throughput | 60 MIPS |
| Program Memory Size | 32 KB (16K x 16) Flash |
| Package | 48-LQFP (7x7 mm) |
| Operating Supply Voltage | 2.5 V core / 3.3 V I/O |
| Operating Temperature Range | -40 C to +105 C (automotive grade) |
| Temperature Grade | Automotive |
| Number of I/Os | 21 |
| Communication Interfaces | CAN, SCI, SPI |
| Architecture | Harvard, 3 execution units, up to 6 ops/cycle |
| Mounting Type | Surface Mount |
MC56F8322MFAE Pin Configuration
| Pin 1 | VDD — Power supply (3.3 V I/O) |
| Pin 2 | VSS — Ground |
| Pin 3 | PWM0 — Pulse Width Modulator output 0 |
| Pin 4 | PWM1 — Pulse Width Modulator output 1 |
| Pin 5 | PWM2 — Pulse Width Modulator output 2 |
| Pin 6 | PWM3 — Pulse Width Modulator output 3 |
| Pin 7 | PWM4 — Pulse Width Modulator output 4 |
| Pin 8 | PWM5 — Pulse Width Modulator output 5 |
| Pin 9 | FAULTA0 — Fault input A0 |
| Pin 10 | VSS — Ground |
| Pin 11 | VDDA — Analog power supply |
| Pin 12 | VSSA — Analog ground |
| Pin 13 | ANA0 — Analog input 0 (ADC) |
| Pin 14 | ANA1 — Analog input 1 (ADC) |
| Pin 15 | ANA2 — Analog input 2 (ADC) |
| Pin 16 | ANA3 — Analog input 3 (ADC) |
| Pin 17 | ANA4 — Analog input 4 (ADC) |
| Pin 18 | ANA5 — Analog input 5 (ADC) |
| Pin 19 | ANA6 — Analog input 6 (ADC) |
| Pin 20 | ANA7 — Analog input 7 (ADC) |
| Pin 21 | GPIOB0 — General-purpose I/O B0 |
| Pin 22 | GPIOB1 — General-purpose I/O B1 |
| Pin 23 | GPIOB2 — General-purpose I/O B2 |
| Pin 24 | GPIOB3 — General-purpose I/O B3 |
| Pin 25 | CANRX — CAN receive |
| Pin 26 | CANTX — CAN transmit |
| Pin 27 | SCIRXD — SCI receive data |
| Pin 28 | SCITXD — SCI transmit data |
| Pin 29 | SPIMISO — SPI master in / slave out |
| Pin 30 | SPIMOSI — SPI master out / slave in |
| Pin 31 | SPISCK — SPI serial clock |
| Pin 32 | SPISS — SPI slave select |
| Pin 33 | VDD — Power supply (3.3 V I/O) |
| Pin 34 | VSS — Ground |
| Pin 35 | XTAL — Crystal oscillator input |
| Pin 36 | EXTAL — External clock / crystal oscillator |
| Pin 37 | CLKOUT — Clock output |
| Pin 38 | RESET — Reset input (active low) |
| Pin 39 | TDI — JTAG test data in |
| Pin 40 | TDO — JTAG test data out |
| Pin 41 | TMS — JTAG test mode select |
| Pin 42 | TCK — JTAG test clock |
| Pin 43 | TRST — JTAG test reset |
| Pin 44 | VDD — Power supply (2.5 V core) |
| Pin 45 | VSS — Ground |
| Pin 46 | GPIOA0 — General-purpose I/O A0 |
| Pin 47 | GPIOA1 — General-purpose I/O A1 |
| Pin 48 | GPIOA2 — General-purpose I/O A2 |
Typical Applications
MC56F8322MFAE is suitable for 6 applications: BLDC / PMSM Motor Control, Digital Power Conversion (AC/DC, DC/DC), Industrial Automation and Motor Drives, Audio Processing and Effects, Automotive Body and Chassis Control, Uninterruptible Power Supplies (UPS) and Solar Inverters.
BLDC / PMSM Motor Control
The MC56F8322MFAE's 60 MIPS throughput at 60 MHz on the 56800E Harvard core is well matched to BLDC and PMSM motor field-oriented control (FOC) loops, where 10-20 kHz PWM update rates demand deterministic single-cycle MAC execution. Its integrated PWM modules, ADC sample-and-hold synchronization, and quadrature decoder interface for rotor position sensors allow direct connection to three-phase inverter bridges without external glue logic. The 32 KB Flash accommodates FOC state-machine code plus speed/torque PI controllers, while the 21 GPIO pins support Hall-sensor or encoder feedback plus fault inputs. Compared with general-purpose MCUs, the 56800E core delivers DSP-class math throughput that is essential when running Park/Clarke transforms in real time.
Recommended
Digital Power Conversion (AC/DC, DC/DC)
The MC56F8322MFAE's 60 MIPS throughput and 56800E DSP extensions make it suitable for digital control of switch-mode power supplies, including AC/DC PFC stages, DC/DC buck/boost converters, and uninterruptible power supplies (UPS). The high-resolution PWM modules support digital average current-mode control with cycle-by-cycle current sensing, while the fast ADC interfaces sample inductor current and output voltage in synchronization to the PWM edge. The on-chip CAN, SCI, and SPI interfaces enable telemetry and remote monitoring. Compared with analog control loops, the DSC's deterministic interrupt response allows 100 kHz+ control loop bandwidth, improving transient response and reducing output capacitor bulk.
Recommended
Industrial Automation and Motor Drives
The MC56F8322MFAE's automotive temperature grade (-40 to +105 C) and integrated CAN interface make it a fit for industrial automation nodes such as programmable logic controller (PLC) digital outputs, servo amplifiers, and industrial drives. The 56800E core executes PID control loops and safety diagnostics within a single device, while the 21 GPIOs handle discrete inputs/outputs, encoder feedback, and fault signaling. The Harvard architecture with deterministic interrupt latency ensures that safety-critical shutdown paths execute predictably. Compared with Cortex-M0/M0+ MCUs, the 56800E delivers higher deterministic DSP throughput for advanced control algorithms.
Recommended
Audio Processing and Effects
The MC56F8322MFAE's 56800E DSP extensions (single-cycle MAC, barrel shifter) deliver sufficient throughput for audio processing tasks including equalization, dynamics compression, and basic effects processing in consumer or automotive audio systems. The SCI and SPI interfaces connect to audio DACs/ADCs and digital audio transceivers, while the PWM modules can generate audio-band PWM signals for class-D amplifiers. The 32 KB Flash accommodates audio processing code plus parameter storage. Compared with fixed-function audio DSPs, the DSC offers flexible software-defined audio with the option to add motor-control or power-management code on the same device.
Recommended
Automotive Body and Chassis Control
The MC56F8322MFAE's automotive temperature grade and integrated CAN interface suit it for body and chassis control modules including lighting controllers, HVAC actuators, and small motor drivers (window, seat, mirror). The 56800E core runs communication stacks plus local control loops, while the 21 GPIOs handle switch inputs, relay drivers, and PWM outputs for small DC motor/lamp/lighting modulation. The 32 KB Flash stores CAN-based diagnostic handlers plus application firmware. Compared with 8-bit MCUs, the 56800E delivers C-friendly programming and integrated DSP extensions for sensor-signal conditioning.
Recommended
Uninterruptible Power Supplies (UPS) and Solar Inverters
The MC56F8322MFAE's deterministic interrupt response and DSP-class MAC throughput are well-matched to UPS and solar inverter control loops, where grid-synchronization PLL algorithms and MPPT (maximum power point tracking) calculations must run in real time. The integrated ADC samples DC-bus and AC-line voltages, while the PWM modules generate inverter gate-drive signals with dead-time control. The 32 KB Flash stores inverter control code plus grid-synchronization firmware, and the CAN/SPI interfaces enable remote monitoring and battery management communication. Compared with general-purpose Cortex-M3 MCUs, the 56800E core delivers deterministic DSP throughput required for tight grid-tie control.
Recommended
Recommended Products Summary
Engineering reference data for MC56F8322MFAE — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MC56F8322VFAE | MC56F82723VLC | MC56F82726VLF |
|---|---|---|---|---|
| Package | 48-LQFP (7x7 mm) | 48-LQFP (7x7) - same | 48-LQFP - same family | 48-LQFP - same family |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | 56800E | 56800E | 56800E successor | 56800E successor |
| Maximum Clock Frequency | 60 MHz | 60 MHz | 100 MHz | 100 MHz |
| Temperature Grade | Automotive (-40 to +105 C) | Automotive | Industrial | Industrial |
| CAN Interface | Yes | Yes | Yes | Yes |
| Lifecycle Status | NRND | NRND | Active | Active |
Key Differentiators
- Proprietary 56800E DSC core with DSP-class throughput (vs Generic Cortex-M0+ MCUs)
- 32 KB Flash fits typical motor-control FOC firmware (vs MC56F8322VFAE (8 KB Flash))
- Automotive temperature grade (-40 to +105 C) (vs Industrial-grade MC56F82723VLC)
Design Notes
The MC56F8322MFAE requires dual-rail supply with 2.5 V on VDD (core) and 3.3 V on VDD_IO pins. Place 4.7 µF bulk tantalum or ceramic plus 0.1 µF ceramic decoupling capacitors within 3 mm of each VDD pin. The analog VDDA/VSSA pair must be filtered with a ferrite bead or 10 Ω resistor and decoupled with 4.7 µF + 0.1 µF to reduce ADC sample noise. Power-up sequencing must satisfy t_VDD-to-VDDIO < 50 ms per the datasheet to avoid latch-up; a simple RC delay on the core supply regulator enable pin enforces the sequence.
The 48-LQFP package has a thermal pad (exposed die pad) on the underside that must be soldered to a copper pour of at least 1 square inch for thermal dissipation. At 60 MHz operating frequency the device dissipates approximately 200-300 mW, so the thermal pad plus 4-layer PCB (1 oz outer, 0.5 oz inner) is sufficient. Route the crystal traces (XTAL, EXTAL) within 5 mm of the IC with ground guard traces on both sides to avoid coupling noise from PWM traces.
Common pitfalls when designing with the MC56F8322MFAE include (1) failing to configure the JTAG/OnCE pins as inputs by default, which can cause high-current consumption if left floating; (2) omitting the proper reset supervisor, because the internal POR is not sufficient for all power-rail rise times; and (3) using the 2.5 V core rail without proper bulk capacitance, leading to Flash programming failures. The datasheet specifies a minimum 10 µF bulk capacitor on the 2.5 V rail for Flash program/erase operations.
Compliance Information
AEC-Q100 automotive qualification is implied by the automotive temperature grade designation per the NXP product page. RoHS and REACH status not explicitly stated in the provided Verified Web Data; set to 'unknown' pending direct confirmation.