DSP56F827FG80E - 16-Bit DSC 80MHz 128KB Flash | NXP
MPN: DSP56F827FG80E ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $34.84 | $34.84 |
| 10 | $32.1 | $321.00 |
| 100 | $30.5 | $3,050.00 |
| 500 | $29.8 | $14,900.00 |
| 1,000 | $29.25 | $29,250.00 |
DSP56F827FG80E Overview
A digital signal controller is a hybrid semiconductor that merges the multiply-accumulate throughput of a digital signal processor with the peripheral set and control logic of a microcontroller, sitting in the hierarchy between a pure DSP and a general-purpose MCU. The 56800 architecture executes both DSP and MCU instruction sets efficiently, making it a power management IC and motor control workhorse in embedded systems.
Key features of the DSP56F827FG80E include hardware DO and REP loops for zero-overhead looping, dual analog-to-digital converters for simultaneous sampling, a quad timer module, and a 4 MHz crystal oscillator with an integrated PLL featuring pre- and post-scalers. Communication peripherals include the serial communications interface (SCI), serial peripheral interface (SPI), and synchronous serial interface (SSI), plus a Time-of-Day module, GPIO, and JTAG/OnCE debug and programming interface.
The 56800 core uses a Harvard-like bus structure with separate program and data memory spaces, including program Flash, program RAM, data Flash, and data RAM arrays of 16-bit words. This unified memory architecture allows C-compiled code to run alongside hand-optimized DSP routines without the context-switching penalty of separate DSP-plus-MCU dual-chip designs. The FG speed grade denotes 80 MHz operation, and the E suffix specifies an industrial -40C to +85C operating temperature range.
Typical applications include industrial motor control (BLDC, AC induction), digital power conversion, automotive auxiliary systems, and embedded control in factory automation where deterministic DSP filtering and MCU control loops must coexist. The dual ADCs enable simultaneous current and voltage sensing in closed-loop power converters.
A key design consideration is lifecycle: NXP has marked this part End of Life, so new designs should evaluate the replacement guidance in the NXP Product Change Notice, while existing designs should secure last-time-buy inventory.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single decision-ready reference for a discontinued DSC.
Drop-in alternatives for DSP56F827FG80E — 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 DSP56F827FG80E (same form factor and footprint) — differing in Core, Debug Interface, Lifecycle Status, Package, Performance.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSP56F826BU80E
✅ Drop-In✓ In Stock
$1 / Unit
View Datasheet →MC56F8345MFGE
✅ Drop-In✓ In Stock
$8.9 / Unit
View Datasheet →DSP56F827FG80
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSP56F827BU80E
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSP56F827FG80E Maximum Ratings & Electrical Characteristics
| Core | 56800 (56F8xx family) |
| Core Size | 16-bit |
| Core Frequency | 80 MHz |
| Performance | 40 MIPS at 80 MHz |
| Program Flash | 128KB (64K x 16) |
| Operating Temperature | -40C to +85C |
| Oscillator | 4 MHz crystal oscillator with PLL (integrated pre- and post-scalers) |
| ADC | Dual Analog to Digital Converters |
| Timers | Quad Timer |
| Communications Interfaces | SCI, SPI, SSI |
| Debug Interface | JTAG / OnCE Debug Programming Interface |
| Other Peripherals | Time-of-Day module, GPIO, hardware DO and REP loops |
| Package | 128-LQFP (14 x 20 mm) |
| Mounting Type | Surface Mount |
| Lifecycle Status | End of Life (per NXP product page) |
DSP56F827FG80E 128-lqfp (14 x 20 mm) Pin Configuration Guide
Pin configuration for DSP56F827FG80E (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 DSP56F827FG80E.
Refer to the datasheet for full pin configuration.
Typical Applications
DSP56F827FG80E is suitable for 6 applications: Industrial Motor Control, Digital Power Conversion, Embedded Industrial Control Panels, Sensor Signal Acquisition Systems, Automotive Auxiliary Control, Legacy Product Lifecycle Sustainment.
Industrial Motor Control
The DSP56F827FG80E fits industrial motor drives because its 56800 core sustains 40 MIPS at 80 MHz, enough for field-oriented control loops at 10-20 kHz PWM frequencies with deterministic execution via hardware DO and REP loops. The dual ADCs sample phase current and DC bus voltage concurrently, while the Quad Timer generates the complementary PWM signals for BLDC and AC induction machines. The -40C to +85C grade covers factory-floor ambient extremes. Trade-off: as an EOL device, new motor-control designs should select an active 56F8xx successor, but existing drives can be sustained with residual stock while firmware is migrated.
Recommended
Digital Power Conversion
In digital power supplies and inverters, the DSP56F827FG80E closes current- and voltage-mode loops with its dual ADCs feeding the 56800 core, where PI compensation and filter code run in single-cycle multiply-accumulate operations at 80 MHz. The SCI and SPI interfaces report telemetry to a supervisory controller, and the Time-of-Day module timestamps fault events. The 128KB Flash holds control firmware plus compensator tables without external memory. The unified, C-efficient architecture shortens development versus hand-coded assembly DSPs. Note that its EOL status means new converter platforms should adopt the NXP-recommended replacement identified in the Product Change Notice.
Recommended
Embedded Industrial Control Panels
The DSP56F827FG80E serves as a single-chip control brain in industrial panels where signal processing and general I/O sequencing coexist: the 56800 core runs DSP filtering while MCU-style peripherals (GPIO, SCI, SPI, SSI) manage HMI links, sensor polling, and actuator outputs. The PLL accepts a 4 MHz crystal and scales it to 80 MHz internally, simplifying clock-tree design. The JTAG/OnCE interface supports in-system firmware updates during panel assembly. Because the part is -40C to +85C rated and EOL, panel builders should finalize last-time-buy quantities sized to the remaining service life of installed equipment.
Recommended
Sensor Signal Acquisition Systems
Data acquisition front-ends benefit from the DSP56F827FG80E's dual ADCs for simultaneous two-channel sampling and from the 56800 core executing FIR/IIR filters with zero-overhead REP loops at 40 MIPS, enabling real-time noise rejection before data leaves the board. The SSI synchronous serial interface streams processed samples to a host, while SPI connects to external converters or memory. The 128KB (64K x 16) Flash stores calibration coefficients persistently. Designers should budget the ADC timing per the NXP datasheet, since simultaneous sampling windows determine maximum effective sample rate in multi-channel systems.
Recommended
Automotive Auxiliary Control
Although not AEC-qualified by the verified data, the DSP56F827FG80E's -40C to +85C industrial range has made it common in auxiliary automotive subsystems such as pump controllers, HVAC actuators, and lighting ballasts, where its 40 MIPS DSC core handles sensor fusion and PWM generation in one chip. The Quad Timer provides multiple PWM channels for actuator drive, and the SCI links to body-control modules. For any new automotive program, this EOL part must be replaced with an NXP automotive-qualified 56F8xx successor; existing tier-2 modules should qualify the PCN-listed replacement before inventories vanish.
Recommended
Legacy Product Lifecycle Sustainment
The primary contemporary use of the DSP56F827FG80E is sustaining legacy boards: as NXP has declared End of Life, the practical task is matching residual stock (4,896 pieces at Heisener, 3 at LCSC as of 2026-10-10) to the forecast production and field-repair demand of installed systems. Its code-compatible 56800 family allows firmware reuse when migrating to the NXP-recommended successor in the Discontinuance Product Change Notice. Procurement teams should buy buffer inventory now, verify date codes, and parallel-path the firmware port to a newer 56F8xx device to de-risk the end-of-supply transition.
Recommended
Recommended Products Summary
Engineering reference data for DSP56F827FG80E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSP56F826BU80E | MC56F8345MFGE | DSP56F827FG80 |
|---|---|---|---|---|
| Package | 128-LQFP (14 x 20 mm) | 128-LQFP | 128-LQFP family | 128-LQFP |
| Brand | NXP Semiconductors | NXP Semiconductors (Freescale) | NXP Semiconductors | NXP Semiconductors (Freescale) |
| Core / Performance | 56800, 16-bit, 80 MHz / 40 MIPS | 56800, 16-bit, 80 MHz | 56800E, 16-bit, 60 MIPS class | 56800, 16-bit, 80 MHz / 40 MIPS |
| Key Peripherals | Dual ADC, Quad Timer, SCI/SPI/SSI, PLL, JTAG/OnCE | Same 56F8xx peripheral set | Enhanced PWM, eSCI, updated ADC | Identical to this product |
Key Differentiators
- Largest Flash in its immediate family pairing (vs DSP56F826BU80E)
- Active-generation migration path available (vs MC56F8345MFGE)
- Extended industrial temperature grade (vs DSP56F827FG80)
Design Notes
Lifecycle planning is the dominant risk: NXP lists the DSP56F827FG80E as End of Life on the official product page. Before committing any board revision, download the Discontinuance and Replacement Product Change Notice from nxp.com/part/DSP56F827FG80E and size your last-time-buy against total remaining product forecast, including field-repair units. Residual inventory (about 4,900 pieces at Heisener as of 2026-10-10) is finite and non-replenishable - do not assume distributor stock figures will persist through your build schedule.
The device integrates a 4 MHz crystal oscillator and PLL with pre- and post-scalers; use the PLL to generate the 80 MHz core clock rather than sourcing a fast external oscillator, which reduces EMI and BOM cost. Provide clean decoupling on each supply pin pair and give the PLL loop its own quiet supply path per the NXP datasheet power-management guidance. Verify the exact supply voltage range in the datasheet, as it is not stated in the distributor summaries used on this page.
Place the dual ADC reference and analog supply filtering on a quiet ground region separated from PWM/timer switching currents, since simultaneous phase-current sampling accuracy depends on low analog noise. Keep the JTAG/OnCE header on every production PCB even at EOL, because in-system reprogramming of the 128KB Flash is the cheapest way to field-update legacy units. Route SSI/SPI clock lines short and match them to their returns to preserve signal integrity at the peripheral interface rates.
Compliance Information
The NXP product page includes an Environmental Quality section, but RoHS/REACH/lead-free status values were not present in the verified web data and must be confirmed on the official NXP compliance documents before procurement.
