DSPIC33FJ256GP710A-E/PT - 16-bit DSC 40MIPS 256KB Flash | Microchip
MPN: DSPIC33FJ256GP710A-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $17.6 | $176.00 |
| 100 | $17.19 | $1,719.00 |
| 500 | $16.3 | $8,150.00 |
| 1,000 | $15.45 | $15,450.00 |
DSPIC33FJ256GP710A-E/PT Overview
A Digital Signal Controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33F family sits between general-purpose PIC24 microcontrollers and dedicated DSPs, offering DSP engine instructions (MAC, DSP multiply, barrel shifter) alongside standard MCU peripherals.
Key features of the DSPIC33FJ256GP710A include 85 general-purpose I/O pins, two 3-wire SPI ports, two I2C interfaces, two UART modules, and advanced analog integration suited to speech and audio processing, as highlighted by Future Electronics. The A variant of the dsPIC33FJ256GP710 family adds codec interfaces, making it well-suited for audio and speech applications.
The device is qualified to AEC-Q100 for automotive use (denoted by the /E temperature grade and automotive listing in distributor data) and operates from a single 3.0 V to 3.6 V supply. The modified Harvard architecture with a 16-bit data path and DSP instruction support enables single-cycle MAC operations for filtering and control loops. Program flash is rated for in-system self-programming, and ICSP/ICD programming is supported through paired PGECx/PGEDx pins.
Typical applications include automotive control modules, speech and audio processing systems, digital power conversion, sensor signal conditioning, and industrial control requiring DSP-class math with MCU-class integration. Development is supported by the Explorer 16/32 Development Board and the MPLAB XC-DSC C/C++ compiler.
Design consideration: supply voltage must remain within 3.0 V to 3.6 V, and multiple PGECx/PGEDx pin pairs must be used as matched pairs during programming.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ256GP710A-E/PT — 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 DSPIC33FJ256GP710A-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, Core Architecture, Programming Interface, RAM Size.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ256GP710A-I/PT
✅ Drop-In✓ In Stock
$15.6 / Unit
View Datasheet →DSPIC33FJ256GP710A-H/PT
✅ Drop-In✓ In Stock
$6.4 / Unit
View Datasheet →DSPIC33FJ256GP510-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256GP710-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$9.9 / Unit
View Datasheet →DSPIC33FJ128MC710-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.9 / Unit
View Datasheet →DSPIC33FJ256GP710A-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC with DSP engine |
| Maximum CPU Speed | 40 MIPS |
| Program Memory Size | 256 KB (256K x 8) Flash |
| RAM Size | 30 KB (30K x 8) |
| Supply Voltage Range | 3 V to 3.6 V |
| General Purpose I/O | 85 |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (E grade) |
| Qualification | AEC-Q100 (automotive) |
| Product Family | dsPIC33FJ256GP710A (General Purpose) |
| Packaging | Tray |
| Programming Interface | ICSP/ICD via PGECx/PGEDx pin pairs |
| Communication Peripherals | SPI, I2C, UART, codec interfaces |
| Typical Applications | Speech and audio processing, automotive, motor control |
DSPIC33FJ256GP710A-E/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ256GP710A-E/PT (100-tqfp (12x12 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 DSPIC33FJ256GP710A-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ256GP710A-E/PT is suitable for 6 applications: Speech and Audio Processing, Automotive Control Modules, Digital Power Conversion, Industrial Control and Automation, Motor Control, Test and Measurement Instrumentation.
Speech and Audio Processing
The DSPIC33FJ256GP710A-E/PT is well-suited to speech and audio processing because, per Future Electronics, this controller with codec interfaces was designed for exactly this class of workload. The 40 MIPS 16-bit DSP core executes single-cycle MAC and DSP multiply instructions needed for FIR/IIR filtering, echo cancellation, and audio compression, while 30 KB SRAM holds filter states and delay lines. Integrated codec interfaces connect directly to audio front ends, and two UARTs plus SPI/I2C bridge to host processors. Placed as the local audio DSP with a 3.3 V rail, it removes the need for a separate external DSP chip, reducing BOM cost and board area in intercom, conferencing, and voice-recognition front-end designs.
Recommended
Automotive Control Modules
With AEC-Q100 qualification and the /E extended temperature grade of -40C to +125C, the DSPIC33FJ256GP710A-E/PT targets automotive body, comfort, and sensor-fusion modules. The 85 GPIO pins drive relays, lamps, and LIN-style networks, while the 40 MIPS DSP engine runs sensor filtering and closed-loop control concurrently with communication stacks on two SPI, two I2C, and two UART peripherals. The 3.0 V to 3.6 V supply matches standard automotive 3.3 V logic domains regulated from the 12 V battery rail. Deployed as the module's main controller, it provides 256 KB Flash for calibration tables and firmware growth, and ICSP programming via matched PGECx/PGEDx pairs supports in-line reprogramming on the production line.
Recommended
Digital Power Conversion
In digital power supplies, PFC stages, and DC-DC converters, the DSPIC33FJ256GP710A-E/PT provides the 40 MIPS throughput and DSP multiply capability required to execute proportional-integral control loops at switching frequencies in the tens of kilohertz with per-cycle current sampling. The 16-bit core computes loop compensation in single-cycle MAC operations, while high GPIO count (85 pins) supervises fault flags, fan control, and telemetry interfaces over UART or SPI. Operating from a tightly regulated 3.3 V rail derived from the auxiliary bias supply, the controller interfaces with gate drivers and ADC front ends across the PCB. Using the same 100-TQFP family across product power tiers lets one firmware base scale from low-power to high-power variants.
Recommended
Industrial Control and Automation
Factory automation nodes benefit from the DSPIC33FJ256GP710A-E/PT combination of 85 I/O, dual SPI/I2C/UART sets, and DSP-class math for vibration monitoring, sensor conditioning, and actuator sequencing. The 100-pin TQFP provides enough pins to drive displays, keypads, and limit switches without port expanders, while 256 KB Flash retains multiple firmware configurations and logging tables in the field. The -40C to +125C rating tolerates cabinet-mounted environments near drives and heaters, and AEC-Q100 qualification provides headroom margin for industrial reliability screening. Firmware developed with the MPLAB XC-DSC compiler ports directly across the dsPIC33F 100-pin family, protecting software investment when I/O or memory requirements shift between machine variants.
Recommended
Motor Control
The dsPIC33F architecture's DSP engine makes the DSPIC33FJ256GP710A-E/PT effective for field-oriented control of PMSM and BLDC motors, computing Clarke/Park transforms and PI current loops at 40 MIPS with deterministic single-cycle multiply-accumulate timing. The broad 85-pin GPIO budget accommodates gate-driver PWM outputs, encoder or hall inputs, and safety interlocks on one device, while the 30 KB SRAM holds current-loop histories and trajectory tables. The /E temperature grade suits motor-adjacent mounting where ambient can approach +125C. Note that Microchip also offers the dedicated MC (Motor Control) family in the identical 100-pin TQFP footprint, such as the dsPIC33FJ128MC710, if your design prioritizes motor peripherals over codec interfaces.
Recommended
Test and Measurement Instrumentation
Bench and portable instruments use the DSPIC33FJ256GP710A-E/PT as a front-end signal-processing controller: the 40 MIPS DSP core performs FFT windowing, averaging, and calibration math on sampled data, while the dual UART and SPI interfaces stream results to a display or host PC. The 256 KB Flash stores lookup tables, unit calibration constants, and multi-protocol firmware; 30 KB SRAM buffers acquisition records. The extended -40C to +125C rating supports handheld instruments left in vehicles or used near heat sources, and AEC-Q100 qualification adds component-reliability margin valued in professional equipment. Development on the Explorer 16/32 board with a 100-pin PIM accelerates prototyping of the instrument's control subsystem.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ256GP710A-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ256GP710A-I/PT | DSPIC33FJ256GP710A-H/PT | DSPIC33FJ256GP510-I/PF | DSPIC33FJ128MC710-I/PT |
|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same | 100-TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB | 256 KB | 256 KB | 256 KB | 128 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
Key Differentiators
- Extended temperature with automotive qualification (vs DSPIC33FJ256GP710A-I/PT)
- A-variant codec interfaces for audio (vs DSPIC33FJ256GP710 (non-A))
- Double the flash of the MC-family footprint twin (vs DSPIC33FJ128MC710-I/PT)
Design Notes
Supply the DSPIC33FJ256GP710A-E/PT from a regulated 3.0 V to 3.6 V rail; the dsPIC33F family has narrow absolute-maximum margins, so a 3.3 V LDO or buck with tight transient response is required. Decouple every VDD/VSS pin pair with 100 nF ceramic capacitors placed within 2 mm of the pins, plus bulk capacitance near the regulator. On automotive rails, add a load-dump-rated upstream regulator and reverse-polarity protection before the 3.3 V point.
The 100-pin TQFP (0.5 mm pitch) requires careful fan-out: use 0.2 mm traces with via-in-pad avoided on signal pins, and reserve a solid ground plane on layer 2 for analog peripherals. Route at least one complete PGECx/PGEDx pair to a 5-pin programming header (MCLR, VDD, GND, PGEC, PGED) for ICSP; mixing pins from different pairs breaks programming. Keep crystal traces short and guard them with ground pour.
The device has multiple PGECx/PGEDx pairs and any pair works for ICSP, but pins must be used as a matched pair (PGEC2 with PGED2, for example) - a common bring-up failure is crossing pairs. Also do not assume the /I grade part substitutes for the /E in +85C to +125C environments: the E grade's AEC-Q100 qualification and 125C ceiling are the reasons to specify this exact MPN.
At 40 MIPS with fast edge rates, keep clock and high-toggle I/O away from analog inputs, and series-terminate long traces to reduce ringing. The A-variant codec interfaces carry audio-rate serial data; route these as matched-length pairs with ground guards to minimize jitter-induced artifacts.
Compliance Information
Distributor data (Master Electronics, FindIC) lists 'Automotive, AEC-Q100' qualification and the /E temperature grade. RoHS/REACH/lead-free status not stated in the provided web data - verify on the Microchip product page.
