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NXP Semiconductors DSP56F827FG80E
- Part No.:
- DSP56F827FG80E
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 128-LQFP
- Datasheet:
-
DSP56F827FG80E.pdf
- Description:
- IC MCU 16BIT 128KB FLASH 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:3,464
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Product details
Overview
DSP56F827FG80E from NXP Semiconductors (formerly Freescale) is a 16-bit digital signal controller integrating DSP and MCU functionality in a single C-efficient core. It delivers up to 40 MIPS at 80 MHz, features a 16×16+36-bit MAC unit with dual 36-bit accumulators, 64 KB program Flash, 4 KB data Flash, and a 128-pin LQFP package. It targets real-time motor control and sensor-based embedded systems requiring deterministic loop execution and analog integration.
For engineers reviewing the DSP56F827FG80E datasheet, DSP56F827FG80E pinout, DSP56F827FG80E application, or DSP56F827FG80E equivalent, key selection criteria include its 10-channel 12-bit ADC resolution, hardware DO/REP loop support for zero-overhead iteration, JTAG/OnCE™ debug interface, and dual-voltage operation (2.5 V core / 3.3 V I/O & analog).
Technical Context
The DSP56F827FG80E implements the 56800E core with dual-Harvard architecture enabling simultaneous access to program and data memory - up to three concurrent accesses per cycle. Its parallel execution units support six operations per instruction cycle, including dedicated bit manipulation and address generation logic.
It integrates a programmable PLL clock generator, 8-channel programmable chip select (PCS), and peripheral multiplexing across 64 GPIOs (16 dedicated + 48 shared). The ADC supports 12-bit resolution across 10 analog inputs with internal reference options (VREFP/VREFN/VREFMID), while serial interfaces include SSI, two SPI ports (one multiplexed with SCI0/SCI1), and three SCI modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | 16-bit 56800E dual-Harvard DSP/MCU core with hardware DO/REP loops |
| Max Core Frequency | 80 MHz - enables 40 MIPS throughput for real-time control loops |
| MAC Unit | 16×16 + 36-bit single-cycle MAC with two 36-bit accumulators for high-precision filtering |
| Flash Memory | 64 KB program Flash + 4 KB data Flash - supports in-system programming via JTAG |
| RAM | 1 KB program RAM + 4 KB data RAM - provides fast scratchpad for critical variables |
| ADC | 10-channel, 12-bit SAR ADC with selectable reference (VREFP/VREFN/VREFMID) |
| GPIO | 64 total I/O pins: 16 dedicated + 48 multiplexed - configurable per peripheral function |
| Package | 128-pin LQFP (14 mm × 14 mm, 0.4 mm pitch) - industrial-grade thermal and mechanical reliability |
Pinout & Package
Package: 128-pin LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, lead-free, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD (Pins 19, 81, 116) | 2.5 V Core Power Supply | Supplies regulated 2.5 V to internal logic; requires local 0.1 µF decoupling |
| VDDA / VDDA_ADC (Pins 62, 69) | 3.3 V Analog Power | Separate low-noise 3.3 V supply for ADC and analog circuitry; must be filtered independently |
| VDDIO (Pins 4, 29, 56, 82, 113) | 3.3 V I/O Power | Drives all digital I/O buffers; tolerant of 5 V input signals |
| A0–A15 (Pins 21–38) | External Address Bus | 16-bit multiplexed address bus for external program/data memory expansion up to 64 KB each |
| D0–D15 (Pins 1–14, 125–128) | External Data Bus | 16-bit bidirectional data bus; tri-stated during inactive cycles to reduce bus contention |
| ANA0–ANA9 (Pins 70–79) | ADC Analog Inputs | 10 single-ended or 5 differential analog input channels; referenced to VREFP/VREFN |
| TCK/TMS/TDI/TDO/TRST (Pins 44–48) | JTAG/OnCE™ Debug Interface | IEEE 1149.1-compliant boundary-scan and real-time emulation; TRST tied to VSS for normal operation |
Key Features
| Feature | Design Value |
|---|---|
| Hardware Loop Control | DO and REP instructions execute zero-overhead loops - eliminates branch penalty for motor commutation or filter kernels |
| Integrated ADC Reference | VREFP/VREFN/VREFMID pins enable ratiometric or absolute voltage measurement without external reference ICs |
| Peripheral Multiplexing | Single pins serve as SCI, SPI, SSI, timer, or GPIO - reduces BOM count and PCB layer count in space-constrained designs |
| Programmable Chip Select | 8-channel PCS (PCS0–PCS7) supports direct interfacing to multiple external peripherals without glue logic |
| Low-Power Modes | Wait and multiple Stop modes reduce active current to sub-mA levels - extends battery life in portable sensing applications |
| 5V-Tolerant I/O | All digital inputs accept 5 V signals while operating at 3.3 V I/O - simplifies interfacing with legacy 5 V sensors and logic |
Applications
| Motor Control | Noise Suppression |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC motors in HVAC blowers and power tools. IC Role / Device Role / Timing Role: Real-time execution of PWM generation, ADC sampling, Clarke/Park transforms, and PI current regulation within ≤10 µs loop time. Use Value: Hardware MAC and zero-overhead loops ensure deterministic timing for 20 kHz PWM carrier frequency and sub-µs interrupt latency. |
Use Scenario: Adaptive active noise cancellation in automotive cabin audio systems using microphone array inputs. IC Role / Device Role / Timing Role: Simultaneous acquisition of 10 analog mic signals, FIR filtering, and speaker output generation with <50 µs end-to-end latency. Use Value: 12-bit ADC with internal reference and 40 MIPS compute throughput enable real-time coefficient updates and low-latency feedback. |
| ID Tag Readers | Sonic Alarms |
Use Scenario: Low-cost RFID/NFC reader modules for access control systems operating at 125 kHz or 13.56 MHz. IC Role / Device Role / Timing Role: Digital demodulation of ASK/FSK carrier signals, Manchester decoding, and secure authentication protocol execution. Use Value: Bit manipulation unit and flexible timer peripherals allow precise carrier synthesis and symbol timing recovery without external logic. |
Use Scenario: Ultrasonic proximity detection and alarm triggering in industrial safety curtains and smart home occupancy sensors. IC Role / Device Role / Timing Role: Generation of 40 kHz burst signals, echo time-of-flight measurement, and threshold-based event reporting. Use Value: Quad Timer A provides four independent capture/compare channels for precise pulse-width and period measurement of return echoes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital signal controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DSP56F826FG80E | Same 56800E core, identical pinout, but reduced memory: 32 KB program Flash, 2 KB data Flash, no TOD timer | Lacks Time-of-Day timer and half the Flash/RAM - unsuitable for firmware-upgradable or time-stamped logging applications | Select when cost-sensitive designs require only basic motor control without timekeeping or large code footprint |
| MPC5604B | 32-bit Power Architecture core, 64 MHz, 512 KB Flash, integrated CAN, no on-chip ADC | Higher performance and automotive qualification (AEC-Q100), but requires external ADC and lacks hardware loop acceleration | Prefer for automotive body control modules needing CAN connectivity and functional safety compliance over raw DSP efficiency |
Compared with DSP56F827FG80E, the DSP56F826FG80E offers pin-compatible cost reduction at the expense of memory and TOD capability, while the MPC5604B trades DSP-specific acceleration for broader automotive integration and larger memory - making it suitable for different system-level requirements rather than direct replacement.
Availability
DSP56F827FG80E is available at Aetrix Electronics and suitable for motor control, acoustic sensing, RFID reader, and industrial timer applications requiring stable component supply and long-term production continuity.
Supply support for DSP56F827FG80E includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, and IoT markets, with deep heritage in microcontrollers and signal processing IP.
The DSP56F827FG80E belongs to NXP's legacy 56800E digital signal controller family, designed specifically for cost-sensitive, real-time embedded applications demanding both DSP math performance and MCU peripheral integration - especially in motor drives and sensor signal conditioning.
FAQ
What is the maximum operating frequency and corresponding performance of the DSP56F827FG80E?
The DSP56F827FG80E operates at a maximum core frequency of 80 MHz, delivering up to 40 million instructions per second (MIPS). This performance level enables deterministic execution of complex control algorithms - such as field-oriented motor control or adaptive filtering - within tight real-time deadlines. The DSP56F827FG80E achieves this through its parallel execution units and single-cycle MAC, ensuring consistent throughput without pipeline stalls.
Does the DSP56F827FG80E support in-system programming of its Flash memory?
Yes, the DSP56F827FG80E supports full in-system programming of both its 64 KB program Flash and 4 KB data Flash via the JTAG/OnCE™ interface. This allows firmware updates and calibration data writes without removing the device from the PCB. The DSP56F827FG80E does not require high-voltage VPP programming - all Flash operations use standard 2.5 V/3.3 V supplies, simplifying production and field maintenance workflows.
How many analog input channels does the DSP56F827FG80E ADC support, and what reference options are available?
The DSP56F827FG80E integrates a 10-channel, 12-bit successive approximation register (SAR) ADC. It supports three internal reference configurations: differential (VREFP/VREFN), pseudo-differential (VREFP/VREFMID), or single-ended (VREFHI/VREFLO). These references are brought out to dedicated pins (VREFP, VREFN, VREFMID, VREFHI, VREFLO), allowing flexible analog front-end design without external reference ICs - a key advantage in the DSP56F827FG80E for precision sensor interfacing.
Can the DSP56F827FG80E operate with mixed voltage supplies, and what are the required rail voltages?
Yes, the DSP56F827FG80E requires three distinct supply rails: 2.5 V for the core (VDD), 3.3 V for analog circuitry (VDDA and VDDA_ADC), and 3.3 V for I/O (VDDIO). This separation ensures noise isolation between digital switching and sensitive analog functions. All digital inputs are 5 V-tolerant, allowing direct connection to legacy 5 V logic without level shifters - a verified feature of the DSP56F827FG80E confirmed in its electrical specifications.
What debugging interface does the DSP56F827FG80E provide, and is it compatible with standard tools?
The DSP56F827FG80E features a full IEEE 1149.1-compliant JTAG interface branded as JTAG/OnCE™, supporting real-time emulation, breakpoint insertion, and memory inspection at full core speed. It is natively supported by CodeWarrior Development Studio and Processor Expert™ tools. The DSP56F827FG80E debug port requires only TCK, TMS, TDI, TDO, and TRST pins - no additional debug probes or SWD conversion are needed for full visibility into program flow and register states.
DSP56F827FG80E Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 128-LQFP
- Series:
- 56F8xx
- Packaging:
- Tray
- Product Status:
- Not For New Designs
- Programmable:
- Not Verified
- Core Processor:
- 56800
- Core Size:
- 16-Bit
- Speed:
- 80MHz
- Connectivity:
- EBI/EMI, SCI, SPI, SSI
- Peripherals:
- POR, PWM, WDT
- Number of I/O:
- 64
- Program Memory Size:
- 128KB (64K x 16)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 4K x 16
- Voltage - Supply (Vcc/Vdd):
- 2.25V ~ 2.75V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
DSP56F827FG80E FAQ
1.How can I place an order for DSP56F827FG80E through Aetrix?
Please submit a Request for Quotation (RFQ) for DSP56F827FG80E on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for DSP56F827FG80E reliable?
The price and inventory of DSP56F827FG80E are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DSP56F827FG80E is usually 5 days.
3.What payment methods are accepted for DSP56F827FG80E?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DSP56F827FG80E transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DSP56F827FG80E?
DSP56F827FG80E orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DSP56F827FG80E order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for DSP56F827FG80E?
For technical support, including DSP56F827FG80E datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DSP56F827FG80E requirements.
6.How does Aetrix verify that DSP56F827FG80E is sourced from the original manufacturer or authorized distributors?
All DSP56F827FG80E products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that DSP56F827FG80E meets industry standards.
7.What is the process for return or replacement of DSP56F827FG80E?
All DSP56F827FG80E units undergo pre-shipment inspection (PSI). If there is an issue with DSP56F827FG80E, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The DSP56F827FG80E part is unused and in its original packaging.
Return procedure for DSP56F827FG80E:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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