DSPIC33FJ64GP708A-E/PT - 16-Bit 40 MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GP708A-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33FJ64GP708A-E/PT Overview
A digital signal controller combines the compute architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power-management and embedded hierarchy, the dsPIC33F family sits alongside PIC24 16-bit MCUs, sharing the same core instruction set, which allows seamless migration between PIC24F, PIC24H and dsPIC30F/33F devices in similar packages.
Key features include 40 MIPS operation at 3.0-3.6V (20 MIPS down to lower supply ranges per the family datasheet), 16-bit modified Harvard architecture with DSP engine supporting MAC and 40-bit accumulators, and industrial-grade operation. The -E suffix denotes the extended temperature range option covering -40C to +125C ambient (family data cites operation to +150C under defined conditions for the A-variant family).
The dsPIC33FJ64GP708A integrates a rich analog and digital peripheral set typical of the GPX08A family: high-speed ADC, UART, SPI, I2C, input capture/output compare channels, and DMA support. The device supports In-Circuit Serial Programming (ICSP) with multiple PGECx/PGEDx pin pairs, and is supported by SEGGER tools, NSDSP programmers, and the Explorer 16/32 Development Board with PIM sockets.
Typical applications include motor control, digital power conversion, industrial automation, and general-purpose embedded control requiring DSP-level math throughput at 16-bit cost points.
For design, all VDD/VSS pairs must be connected and decoupled, and the selected PGEC/PGED pair must be used consistently for ICSP programming and debugging.
This page synthesizes distributor availability, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone. Pricing data as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ64GP708A-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 DSPIC33FJ64GP708A-E/PT (same form factor and footprint) — differing in Operating Temperature, Package, Core Architecture, Max CPU Speed, Packaging.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ128GP708A-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.8 / Unit
View Datasheet →DSPIC33FJ256GP708A-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP708A-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.18 / Unit
View Datasheet →DSPIC33FJ64GP708AT-I/PT
✅ Drop-In✓ In Stock
$6.3 / Unit
View Datasheet →DSPIC33FJ64GP708A-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC |
| Maximum MIPS | 40 MIPS at 3.0-3.6 V |
| Flash Program Memory | 64 KB (64K x 8) |
| Supply Voltage | 3.0 V to 3.6 V |
| Operating Temperature | -40C to +125C (E, extended) |
| Package | 80-TQFP (12x12 mm) |
| Pin Count | 80 |
| Product Family | dsPIC33FJXXXGPX06A/X08A/X10A |
| Qualification | Automotive, AEC-Q100 (per distributor listing) |
| Mounting Type | Surface Mount |
| Programming Interface | ICSP (PGECx/PGEDx pairs) |
| Peripherals | UART, SPI, I2C, Input Capture, Output Compare, DMA |
| DMA RAM | Included in RAM (2 KB DMA RAM per family) |
| Tool Support | Explorer 16/32, SEGGER, NSDSP, MPLAB |
| RoHS Status | Compliant |
| Packaging | Tray |
DSPIC33FJ64GP708A-E/PT 80-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP708A-E/PT (80-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 DSPIC33FJ64GP708A-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP708A-E/PT is suitable for 6 applications: Industrial Motor Control, Digital Power Conversion, Industrial Automation and PLC I/O, Automotive Body and Auxiliary Control, Audio Signal Processing, Embedded Sensing and Instrumentation.
Industrial Motor Control
The DSPIC33FJ64GP708A-E/PT fits motor control because its 16-bit dsPIC33F core executes single-cycle MAC operations with 40-bit accumulators at up to 40 MIPS at 3.0-3.6V, sustaining field-oriented control (FOC) loop rates that 8-bit MCUs cannot reach. Output-compare channels generate complementary PWM waveforms, while input-capture units measure rotor position from encoder or Hall feedback with DMA offloading to keep the control loop deterministic. The -40C to +125C extended temperature grade survives drive-enclosure ambient conditions, and the automotive AEC-Q100 qualification noted in distributor listings extends use to traction and pump drives. Designers should budget the 64 KB Flash for control firmware plus commutation tables, upgrading to the pin-compatible DSPIC33FJ128GP708A-E/PT if sensorless algorithms grow beyond 64 KB.
Recommended
Digital Power Conversion
In digital SMPS, PFC and inverter stages, the DSPIC33FJ64GP708A-E/PT closes control loops with its 40 MIPS DSP engine: the single-cycle MAC and 40-bit accumulators run compensator math at switching frequencies of hundreds of kHz while the ADC samples current and voltage feedback synchronized to the PWM period. The 64 KB Flash holds the control stack plus protection, housekeeping and communication (UART/I2C/SPI) firmware without external memory. The extended -40C to +125C rating and AEC-Q100 qualification per distributor data support digital power supplies in telecom rectifiers and solar micro-inverters operating in hot enclosures. Engineers should synchronize ADC sampling to PWM edges to minimize switching-noise corruption of readings, and reserve DMA RAM for feedback buffering to keep loop jitter predictable.
Recommended
Industrial Automation and PLC I/O
The DSPIC33FJ64GP708A-E/PT serves as a smart I/O node processor in factory automation: UART, SPI and I2C peripherals handle fieldbus-adjacent communication, capture/compare channels time-stamp sensor events, and the 40 MIPS DSP core executes filtering and scaling math locally, reducing host PLC load. With 80 pins in a 12x12 mm TQFP, the GP708A exposes the maximum I/O count of the GPX08A family, letting one device drive multiple relay outputs, encoder inputs and analog sensor channels. The -E extended temperature grade tolerates cabinet ambient temperatures near -40C to +125C, and AEC-Q100 qualification adds robustness margin for vibration-prone installations. Microchip's Explorer 16/32 board with PIM sockets accelerates firmware bring-up before committing to custom hardware.
Recommended
Automotive Body and Auxiliary Control
Thanks to AEC-Q100 qualification and the -40C to +125C extended temperature grade, the DSPIC33FJ64GP708A-E/PT is suitable for non-safety-critical automotive auxiliary functions such as pump controllers, lighting ballasts, HVAC flap actuators and sensor conditioning modules. The 40 MIPS DSP core runs actuator control loops with fixed-point filtering, while CAN-adjacent designs can bridge via UART/SPI to external transceivers. The 80-pin TQFP provides abundant GPIO for direct switch and load interfacing in body electronics. Designers must power all VDD/VSS pairs and plan the PGECx/PGEDx ICSP pair routing for end-of-line programming. When Flash demands grow with added diagnostic firmware, the pin-compatible DSPIC33FJ128GP708A-E/PT or DSPIC33FJ256GP708A-E/PT provide drop-in upgrades without PCB changes.
Recommended
Audio Signal Processing
The DSP engine of the DSPIC33FJ64GP708A-E/PT - single-cycle MAC, dual operand fetch and 40-bit accumulators - executes FIR/IIR filtering, sample-rate conversion and audio effect algorithms at 40 MIPS, comfortably serving fixed-point audio processing at standard sample rates. The family datasheet describes these 16-bit DSCs as general-purpose parts with advanced analog, and the GP (general purpose) peripherals including multiple UART/SPI ports interface easily to audio codecs. The extended temperature range suits automotive and industrial audio (amplifier protection DSP, intercom systems), and the 64 KB Flash holds codec drivers plus effect libraries; larger effect sets fit the pin-compatible 128/256 KB siblings. A practical tip: use DMA RAM for audio buffers so sample movement never stalls the MAC pipeline during ISR-heavy code paths.
Recommended
Embedded Sensing and Instrumentation
For data-acquisition and handheld instrumentation, the DSPIC33FJ64GP708A-E/PT combines a high-throughput 40 MIPS core with the GPX08A family analog peripherals for sensor front-end processing, digital filtering and calibration math in one 12x12 mm 80-TQFP device. Input-capture channels time-stamp pulse outputs from flow meters and encoders, SPI/I2C talk to precision ADCs and displays, and the DSP engine applies averaging and FFT-based analysis without a second processor. The -40C to +125C extended grade keeps specifications intact in outdoor and bench-adjacent thermal environments, and ICSP programming via any PGECx/PGEDx pair simplifies calibration firmware updates on the production line. SEGGER and NSDSP tool support (both verified) plus the Explorer 16/32 platform shorten the prototyping cycle for instrumentation teams.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP708A-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ128GP708A-E/PT | DSPIC33FJ256GP708A-E/PT | DSPIC33FJ64GP708A-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 80-TQFP (12x12 mm) | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same | 80-TQFP (12x12 mm) - same |
| Core / MIPS | 16-bit dsPIC33F, 40 MIPS at 3.0-3.6V | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS | 16-bit dsPIC33F, 40 MIPS |
| Flash Memory | 64 KB | 128 KB | 256 KB | 64 KB |
| 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 |
| Temperature Range | -40C to +125C (E, extended) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I, industrial) |
Key Differentiators
- Extended temperature grade for harsh environments (vs DSPIC33FJ64GP708A-I/PT)
- Cost-optimized 64 KB entry point of the GP708A family (vs DSPIC33FJ256GP708A-E/PT)
- Automotive AEC-Q100 qualification with DSP throughput (vs DSPIC33FJ64GP708A (non-E industrial variants))
Design Notes
Per Microchip's ICSP guidance for the dsPIC33FJ64GP708A, the device exposes multiple PGECx/PGEDx pairs. You may use any pair for programming and debugging, but ICSPCLK and ICSPDAT must come from the same pair (e.g., PGEC2 with PGED2). Route the chosen pair to a standard 5-pin ICSP header on every production PCB, and connect ALL VDD and VSS pins - omitting any supply pair can cause programming failures and unreliable operation even if the board appears to run.
The verified operating condition for full 40 MIPS performance is 3.0V to 3.6V (family datasheet states DC to 40 MIPS only within this band). Regulate the 3.3V rail within tolerance and add 0.1 uF ceramic decoupling at every VDD pin pair, positioned within a few millimeters of the 80-TQFP supply pins. At 40 MIPS, core current is concentrated on specific clock edges; a solid ground plane under the 12x12 mm package is essential to keep ground bounce within margins during simultaneous MAC and I/O switching.
Choose the temperature suffix deliberately: the -E/PT grade covers -40C to +125C while the -I/PT grade stops at the industrial limit. Substituting an -I part into a design qualified for extended temperature will violate the thermal budget. Also remember the family name encodes Flash size (64/128/256 KB) - verify firmware size against the 64 KB limit of this exact part before layout release, since the pin-compatible 128/256 KB siblings are the zero-rework upgrade path if 64 KB proves tight.
Compliance Information
Distributor listings (DigiKey, Globalspec) describe the part as Automotive, AEC-Q100 qualified. RoHS/lead-free status per standard distributor description; REACH, halogen-free and conflict-minerals certificates not present in verified data.