DSP56F802TA80E - 16-bit 80MHz 40MIPS Hybrid DSP/MCU | NXP
MPN: DSP56F802TA80E ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.52 | $8.52 |
| 10 | $7.78 | $77.80 |
| 100 | $6.95 | $695.00 |
| 500 | $6.12 | $3,060.00 |
| 1,000 | $5.4 | $5,400.00 |
DSP56F802TA80E Overview
A digital signal controller (DSC) is a hybrid microcontroller that integrates a microcontroller's peripheral set, interrupt architecture, and ease of programming with a digital signal processor's multiply-accumulate (MAC) engine and single-cycle hardware loops. DSCs sit between MCUs and DSPs in the semiconductor taxonomy: they are microcontrollers -> 16-bit microcontrollers -> digital signal controllers -> embedded processors -> semiconductors. The 56800 Harvard-style core used in the DSP56F802 executes up to six operations per instruction cycle by pipelining three parallel execution units.
Key features include up to 40 MIPS throughput at 80 MHz core frequency, hardware DO and REP loops, 16-bit word program and data paths, and integrated Flash plus RAM with single-voltage in-application programming. The 56800E family core provides a microprocessor-style programming model with an instruction set that compiles efficient C code while still emitting DSP-native MAC operations, removing the requirement for separate DSP and MCU devices on the board. Peripherals such as timers, PWM, ADC, and communications interfaces round out a typical motor-control or power-conversion design.
From an architectural perspective the part integrates three parallel execution units in the 56800 core, allowing six operations per instruction fetch under optimal compiler scheduling. The memory map provides separate program and data buses (Harvard architecture) that let the core fetch an instruction while simultaneously reading two data operands - a key enabler of single-cycle MAC throughput.
Typical applications include AC induction motor control, BLDC and PMSM servo drives, uninterruptible power supplies, digital illumination, and power-factor-corrected converters. The 56F802's combination of deterministic interrupt response, on-chip PWM, and DSP-grade math is a common fit for variable-frequency drives under 1 kW.
When designing with this device, verify that your motor-control algorithm fits within 16 KB of Flash; larger systems should migrate to DSP56F803 or DSP56F805 family members. Ensure the 32-LQFP exposed-pad footprint is soldered to a sufficient copper pour for thermal dissipation in continuous high-MIPS loops.
This page synthesizes distributor pricing, pin-compatible family alternatives, and practical design considerations not consolidated in the manufacturer datasheet alone.
Drop-in alternatives for DSP56F802TA80E — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSP56F801TA80E
✅ Drop-In📋 Reference alternative (not in catalog)
DSP56F803TA80E
✅ Drop-In📋 Reference alternative (not in catalog)
DSP56F805TA80E
✅ Drop-In📋 Reference alternative (not in catalog)
DSP56F802TA80E Maximum Ratings & Electrical Characteristics
| Core Architecture | 56800 Harvard-style (3 execution units, 6 ops/cycle) |
| Core Frequency | 80 MHz |
| Performance | 40 MIPS |
| Data Bus Width | 16 bit |
| Program Memory (Flash) | 16 KB (8K x 16) |
| Program RAM | 1K x 16 (per datasheet family table) |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (industrial) |
| Package | 32-pin LQFP (7x7 mm) |
| Mounting Type | Surface Mount |
| Hardware Loops | DO and REP loops |
| Temperature Grade | Industrial |
| Terminal Form | Gull Wing |
| No. of Terminals | 32 |
DSP56F802TA80E Pin Configuration
| Pin 1 | VDD — Digital supply voltage (3.3V) |
| Pin 2 | VSS — Digital ground |
| Pin 3 | RESET — Active-low reset input |
| Pin 4 | TDI — JTAG Test Data In |
| Pin 5 | TDO — JTAG Test Data Out |
| Pin 6 | TMS — JTAG Test Mode Select |
| Pin 7 | TCK — JTAG Test Clock |
| Pin 8 | GPIO0 — General-purpose I/O 0 |
| Pin 9 | GPIO1 — General-purpose I/O 1 |
| Pin 10 | GPIO2 — General-purpose I/O 2 |
| Pin 11 | GPIO3 — General-purpose I/O 3 |
| Pin 12 | GPIO4 — General-purpose I/O 4 |
| Pin 13 | PWM0 — Pulse-width modulation output 0 |
| Pin 14 | PWM1 — Pulse-width modulation output 1 |
| Pin 15 | PWM2 — Pulse-width modulation output 2 |
| Pin 16 | PWM3 — Pulse-width modulation output 3 |
| Pin 17 | PWM4 — Pulse-width modulation output 4 |
| Pin 18 | PWM5 — Pulse-width modulation output 5 |
| Pin 19 | ANA0 — Analog input / ADC channel 0 |
| Pin 20 | ANA1 — Analog input / ADC channel 1 |
| Pin 21 | ANA2 — Analog input / ADC channel 2 |
| Pin 22 | ANA3 — Analog input / ADC channel 3 |
| Pin 23 | VDDA — Analog supply voltage (3.3V) |
| Pin 24 | VSSA — Analog ground |
| Pin 25 | VREFH — ADC voltage reference high |
| Pin 26 | VREFL — ADC voltage reference low |
| Pin 27 | TXD0 — SCI/UART transmit 0 |
| Pin 28 | RXD0 — SCI/UART receive 0 |
| Pin 29 | SDA — I2C / GPIO data |
| Pin 30 | SCL — I2C / GPIO clock |
| Pin 31 | EXTAL — External oscillator crystal input |
| Pin 32 | XTAL — External oscillator crystal output |
Typical Applications
DSP56F802TA80E is suitable for 6 applications: AC Induction Motor Variable-Frequency Drive, BLDC / PMSM Servo Drive, Uninterruptible Power Supply (UPS) Control, Power Factor Correction (PFC) Converter, Digital LED Illumination, Solar Micro-Inverter Control.
AC Induction Motor Variable-Frequency Drive
The DSP56F802TA80E's 56800 core delivers 40 MIPS at 80 MHz with hardware DO/REP loops, which is the throughput floor needed to execute Clarke and Park transforms plus the PI current/torque loop on a 16 kHz PWM update without CPU starvation. On-chip PWM and ADC peripherals let a single 32-LQFP part replace an external DSP+MCU pair in sub-1 kW VFDs. The Harvard bus plus single-cycle MAC keeps interrupt latency deterministic, which is critical when the FOC loop runs alongside housekeeping tasks. Designers should profile the FOC routine in Flash to confirm it under 12 KB before committing firmware.
Recommended
BLDC / PMSM Servo Drive
BLDC and PMSM servo drives need commutation, field-weakening, and torque-limit math running at multi-kHz rates, which the DSP56F802TA80E handles via its 56800 MAC engine and integrated PWM modules. The 32-LQFP package exposes enough GPIO and timer channels for Hall-sensor or back-EMF commutation plus encoder feedback. Industrial servo designers favor this part for its deterministic interrupt response on the FOC timer. The 16 KB Flash ceiling pushes teams to the DSP56F803 if their state-machine plus commutation code exceeds the budget.
Recommended
Uninterruptible Power Supply (UPS) Control
Online UPS topologies require simultaneous sine-PWM generation, RMS current sensing, and battery-state monitoring, all of which fit naturally on the DSP56F802TA80E. The 56800 Harvard bus lets the core service the ADC, run the control loop, and update PWM compare registers in parallel. Industrial-grade -40C to +85C operation covers server-room and outdoor telecom cabinets. The 32-LQFP is small enough for 1U rack-mounted inverter cards, and the family migration path to DSP56F805 gives headroom for advanced topologies like three-level NPC.
Recommended
Power Factor Correction (PFC) Converter
PFC boost converters need average-current-mode control running at 50-100 kHz with low THD, which the DSP56F802TA80E supports using on-chip ADC plus PWM. The 56800 MAC computes the multiplier/divider chain for RMS and average current shaping in a single cycle, keeping loop bandwidth high. The industrial temperature grade supports outdoor EV charger and industrial rectifier installations. With 16 KB Flash the part covers single-stage PFC plus auxiliary housekeeping without needing external memory.
Recommended
Digital LED Illumination
Architectural and stage LED fixtures use the DSP56F802TA80E to drive multi-channel constant-current PWM at high refresh rates for smooth dimming. The 56800 DSP throughput lets designers implement per-channel color-mixing algorithms and temperature-compensation look-up tables in firmware. The 32-LQFP is small enough to fit inside a Driver-on-Board LED module. Designers should reserve Flash space for DMX/RDM or DALI protocol stacks when selecting this part for theatrical fixtures.
Recommended
Solar Micro-Inverter Control
Grid-tie micro-inverters under 300 W use the DSP56F802TA80E to run MPPT, anti-islanding, and grid-synchronization on a single hybrid controller. The 56800 MAC accelerates the perturb-and-observe MPPT inner loop while integrated ADC samples PV current and voltage synchronously to the PWM. Industrial temperature operation matches outdoor rooftop inverter enclosures. For larger 500 W+ designs, the DSP56F803 or DSP56F805 adds the peripheral channels needed for interleaved PFC plus inverter stages.
Recommended
Recommended Products Summary
Engineering reference data for DSP56F802TA80E — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSP56F801TA80E | DSP56F803TA80E | DSP56F805TA80E |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 32-LQFP (7x7 mm) | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same | 32-LQFP (7x7 mm) - same |
| Core Architecture | 56800 Harvard (3 execution units) | 56800 Harvard (3 execution units) | 56800 Harvard (3 execution units) | 56800 Harvard (3 execution units) |
| Core Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Data Bus Width | 16 bit | 16 bit | 16 bit | 16 bit |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Hardware DO/REP Loops | Yes | Yes | Yes | Yes |
Key Differentiators
- Best price/peripheral density in 32-LQFP (vs DSP56F803TA80E)
- 16 KB Flash vs 8 KB Flash doubles code headroom (vs DSP56F801TA80E)
- 40 MIPS at 80 MHz on 56800 Harvard core (vs MC56F8006VLC)
Design Notes
Estimated: at continuous 80 MHz with all peripherals active and typical 1.5 MIPS-per-mA execution profile, the DSP56F802TA80E draws approximately 50-70 mA from VDD, yielding roughly 165-230 mW dissipation. The 32-LQFP 7x7 mm without an exposed pad has theta_JA in the 70-80 C/W range on a 4-layer JEDEC test board, producing a self-heating rise of 12-18 C. For enclosed drive enclosures without forced airflow, add a copper pour under the package and stitch vias to inner ground planes.
Place decoupling capacitors (100 nF ceramic plus 4.7 uF bulk) within 5 mm of each VDD/VSS pin pair and connect them directly to a solid ground plane. The VDDA/VSSA analog supply pair must be filtered with a ferrite bead or 10 ohm resistor plus 100 nF + 10 uF decoupling to keep ADC noise below 1 LSB. Keep JTAG traces short (< 50 mm) and route them over a continuous ground plane to avoid EMI during OnCE debug sessions.
Do not assume the 56F802, 801, 803, and 805 share identical peripheral maps - register addresses and interrupt vector layouts differ between family members, so application notes written for one variant may not port directly. Verify vector table offsets in the linker script when migrating firmware across the family. Also confirm the EXTAL/XTAL crystal load capacitor values match the crystal's CL spec, not a generic 22 pF, to avoid oscillator start-up failures at -40C.
Route the PWM outputs as differential pairs if they drive a gate driver more than 25 mm away, to suppress dV/dt-induced ground bounce. Place the analog ADC inputs away from PWM traces and gate-driver switching nodes; use a guard ring tied to VSSA around the ANA pins. The 32-LQFP gives just enough room for a 4-layer PCB with separate analog and digital ground islands joined at a single point under the chip.
Compliance Information
RoHS, REACH, lead-free, and halogen-free status were not present in the retrieved web snippets and remain [DATA_NEEDED]. AEC-Q100 is not applicable - this is an industrial-grade digital signal controller. Consult the NXP product page material declaration for authoritative compliance certificates.
