DSPIC33FJ64GP310A-I/PT - 16-bit 40MIPS DSC 64KB Flash | Microchip
MPN: DSPIC33FJ64GP310A-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.75 | $6.75 |
| 10 | $6.2 | $62.00 |
| 100 | $5.65 | $565.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.75 | $4,750.00 |
DSPIC33FJ64GP310A-I/PT Overview
A Digital Signal Controller combines the computational architecture of a digital signal processor, including a DSP engine with hardware multiply-accumulate (MAC) and barrel shifter, with the peripheral set and ease of use of a general-purpose microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33F family sits alongside Microchip's PIC24H MCUs, to which it is pin compatible, and offers seamless migration to and from the dsPIC30F family.
Key features include the 16-bit modified Harvard architecture executing up to 40 MIPS from an internal PLL, DCI (Data Converter Interface) audio codec ports tailored for speech and audio processing, up to 85 general-purpose I/O lines, multiple UART, SPI, and I2C modules, CAN 2.0B, and a high-speed 10-bit ADC with simultaneous multi-channel sampling capability.
Technical depth: the dsPIC33F CPU integrates a 16-bit ALU with two 40-bit accumulators, single-cycle MAC, hardware divide support, and flexible interrupt handling with 16 levels of priority. The Flash is self-programmable with 10,000 erase/write cycle endurance, enabling in-field firmware updates via ICSP or bootloaders. The industrial (-I) temperature grade guarantees full electrical specification across the automotive-adjacent industrial range.
Typical applications include speech and audio processing using the DCI codec interface, motor control and digital power conversion requiring fast control loops, sensor fusion and precision analog acquisition with the on-chip ADC, and general embedded industrial control such as PLC I/O and instrumentation.
Design consideration: the device operates from a 3.0V to 3.6V single supply, so level shifting is required for 5V peripherals, and all VDD/VSS pairs must be decoupled with 0.1uF ceramics for clean ADC performance.
This page synthesizes distributor pricing, same-footprint drop-in alternatives, and practical design notes not found in the manufacturer datasheet, per verified web data as of 2026-09-27.
Drop-in alternatives for DSPIC33FJ64GP310A-I/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 DSPIC33FJ64GP310A-I/PT (same form factor and footprint) — differing in Core Architecture, Package, Operating Temperature, Series, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP310A-E/PT
✅ Drop-In✓ In Stock
$5.06 / Unit
View Datasheet →DSPIC33FJ256GP510T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →DSPIC33FJ256GP510-I/PF
✅ Drop-In✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ128GP310A-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256GP310A-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP310A-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| RAM | 16 KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I grade) |
| Package | 100-TQFP (12x12 mm) |
| Mounting Type | Surface Mount |
| DSP Engine | Single-cycle MAC, two 40-bit accumulators |
| ADC | 10-bit high-speed ADC |
| Communication Interfaces | UART, SPI, I2C, CAN 2.0B, DCI codec interface |
| Programming Interface | ICSP (multiple PGECx/PGEDx pairs) |
| Pin Compatibility | PIC24H family; high compatibility with dsPIC30F |
| RoHS Status | Compliant |
| Family | dsPIC33FJXXXGPX06A/X08A/X10A |
DSPIC33FJ64GP310A-I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP310A-I/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 DSPIC33FJ64GP310A-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP310A-I/PT is suitable for 6 applications: Speech and Audio Processing, Industrial Motor Control, Digital Power Conversion, Precision Sensor Acquisition and Instrumentation, Automotive-Adjacent Industrial Networking Nodes, Embedded General-Purpose Industrial Control.
Speech and Audio Processing
The DSPIC33FJ64GP310A-I/PT fits speech and audio applications through its DCI (Data Converter Interface), which connects directly to standard PCM and I2S audio codecs, and its 40 MIPS DSP engine with single-cycle MAC for real-time FIR/IIR filtering, sample-rate conversion, echo cancellation, and noise suppression. In a typical voice-communication product, the DCI streams codec samples via DMA while the DSP core executes filtering at 16 kHz or higher sampling rates with ample cycle margin. The 64 KB Flash accommodates common speech algorithm libraries; upgrade to the pin-compatible 128 KB or 256 KB variants when algorithms grow. Unlike a general MCU, the dual 40-bit accumulators prevent overflow in long filter chains without extra scaling code, reducing development effort and improving audio signal fidelity.
Recommended
Industrial Motor Control
The DSPIC33FJ64GP310A-I/PT suits industrial digital control loops because its 40 MIPS core and DSP multiply-accumulate hardware execute PI/PID and field-oriented control algorithms at high sampling rates, while the 10-bit high-speed ADC provides fast multi-channel acquisition of phase currents and bus voltage. The 100-pin package exposes 85-class GPIO counts for gate-drive PWM interfacing, limit switches, and communications. Its -40C to +85C industrial temperature grade matches factory-floor requirements, and CAN 2.0B integrates directly into industrial fieldbus networks. Running the control ISR from Flash at 40 MIPS provides deterministic loop timing critical for motor stability. For dedicated motor-control peripherals like advanced PWM modules, the same-footprint dsPIC33FJ256MC510 offers a migration path without PCB respin.
Recommended
Digital Power Conversion
In digital power supplies, PFC stages, and DC-DC converters, the DSPIC33FJ64GP310A-I/PT provides the fast deterministic control loops required: the 40 MIPS core with DSP MAC executes compensator algorithms at hundreds of kHz effective bandwidth, and the high-speed 10-bit ADC samples current and voltage feedback simultaneously for multi-loop control. The industrial temperature grade and 3.0V-3.6V supply fit standard bias-rail architectures, while CAN and UART interfaces support PMBus-style monitoring and configuration. The 64 KB Flash holds control firmware plus bootloader for field updates of compensation parameters. The dual 40-bit accumulators enable filter-based compensation schemes without overflow management overhead, and the deep interrupt priority scheme keeps safety-critical fault ISRs above telemetry tasks.
Recommended
Precision Sensor Acquisition and Instrumentation
The DSPIC33FJ64GP310A-I/PT is well suited to precision data acquisition: its 10-bit high-speed ADC supports simultaneous multi-channel sampling, and the 40 MIPS DSP core applies real-time calibration, linearization, and digital filtering (averaging, IIR, FFT-based analysis) directly on-sample without host intervention. UART, SPI, and I2C links connect front-end amplifiers and stream results to displays or hosts, while the 85-class GPIO and multiple timers handle stimulus generation and event timing in bench and embedded instruments. The 100-TQFP 12x12 mm footprint provides enough I/O for multiplexed sensor arrays in a compact board area. The 64 KB Flash stores calibration tables and firmware with self-programming capability, enabling field recalibration. Pin-compatible 128 KB/256 KB variants absorb logging-heavy firmware growth.
Recommended
Automotive-Adjacent Industrial Networking Nodes
With its integrated CAN 2.0B controller, the DSPIC33FJ64GP310A-I/PT serves as a CAN network node for industrial machinery, agricultural equipment, and vehicle-adjacent (non-AEC-Q100) subsystems operating within the -40C to +85C industrial range. The 40 MIPS DSP headroom processes node-local signal conditioning - for example, filtering analog sensor inputs before transmission - while the DCI, UART, and SPI interfaces bridge legacy buses to CAN. The 64 KB Flash supports full protocol stacks plus application code, and ICSP programming via any PGECx/PGEDx pair simplifies manufacturing programming and field updates through bootloader schemes. For applications requiring automotive qualification, select the extended-temperature DSPIC33FJ64GP310A-E/PT in the identical footprint and evaluate Microchip's AEC-Q100 qualified families instead.
Recommended
Embedded General-Purpose Industrial Control
For general embedded control - PLC I/O modules, HVAC controllers, pump and compressor management, and building automation - the DSPIC33FJ64GP310A-I/PT offers a strong price/performance point: 40 MIPS of 16-bit processing, 64 KB self-programmable Flash, 16 KB RAM, and rich connectivity (multiple UART, SPI, I2C, CAN) in one 100-pin package. The large GPIO count directly drives relays, indicators, keypads, and displays without expansion chips, reducing BOM cost. The DSP engine additionally offloads any trending, filtering, or FFT-based power-monitoring tasks that pure MCUs struggle with, making the DSC flexible enough to cover both control and light analytics. Long-term availability of the dsPIC33F family and pin-compatible migration paths protect the design across product generations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP310A-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP310A-E/PT | DSPIC33FJ256GP510T-I/PT | DSPIC33FJ128GP310A-I/PT | DSPIC33FJ256GP310A-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 |
| Flash Memory | 64 KB | 64 KB | 256 KB | 128 KB | 256 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Peripheral Family | General Purpose (GP) with DCI codec | General Purpose (GP) with DCI codec | General Purpose (GP) with DCI codec | General Purpose (GP) with DCI codec | General Purpose (GP) with DCI codec |
| Drop-in PCB Compatibility | Reference footprint | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change | Pin-to-pin, no PCB change |
Key Differentiators
- Lowest Flash in the pin-compatible 100-pin GP family (vs DSPIC33FJ256GP310A-I/PT)
- Extended-temperature option with zero redesign (vs DSPIC33FJ64GP310A-E/PT)
- Second-source Flash headroom on the same footprint (vs DSPIC33FJ256GP510T-I/PT)
Design Notes
The dsPIC33F requires a 3.0V-3.6V supply; a 3.3V LDO or buck output is standard. Decouple every VDD/VSS pair with 0.1uF ceramics placed within 2 mm of the pins, plus bulk 10uF near the device - the 100-pin package has multiple power pairs and high transient currents at 40 MIPS. Add a 10uF reservoir near the VDDCAP/VREG circuitry per the family datasheet power section. Reset supervision (e.g., a 2.7V-threshold supervisor) is recommended because the internal POR thresholds are coarse for slow-railing supplies.
For clean ADC performance, partition the board into digital and analog zones: route the ADC input traces away from PWM, CAN, and oscillator signals, and return analog grounds to a quiet star point. Use PGECx/PGEDx as a matched pair for ICSP - per northernsoftware.com, PGEC2 must pair with PGED2, etc. - and place a 3-pin programming header for every pair you may use. The 12x12 mm TQFP needs thermal relief-free GND plane connection under the die for signal integrity, not heat.
Common pitfalls: (1) 5V-tolerance is limited on dsPIC33F - always level-shift 5V peripherals; (2) the 'A' revision fixes earlier dsPIC33FJ errata, so never mix A and non-A silicon in one production batch; (3) configuration bits (oscillator source, PLL multipliers for 40 MIPS, watchdog) are set in code via FBS/FGS/OSC config macros and are not inferred from hardware - incorrect PLL config can leave the core running at the wrong clock; (4) 64 KB Flash fills quickly with DSP libraries - verify utilization with the XC-DSC map file before locking the layout.
Compliance Information
RoHS compliant per DigiKey and LCSC product listings. Industrial (I) temperature grade part; not AEC-Q100 qualified. REACH, halogen-free, and conflict-minerals declarations not stated in the provided distributor data.
