DSPIC33FJ64GP310-I/PF - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GP310-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.79 | $6.79 |
| 10 | $6.45 | $64.50 |
| 100 | $5.98 | $598.00 |
| 500 | $5.6 | $2,800.00 |
| 1,000 | $5.25 | $5,250.00 |
DSPIC33FJ64GP310-I/PF Overview
A Digital Signal Controller combines the computational horsepower of a DSP engine with the peripheral set and ease of use of a microcontroller. Within the power-management hierarchy of embedded control, a DSC such as the dsPIC33F family sits above general-purpose MCUs for math-intensive tasks, offering single-cycle MAC, DSP instruction support, and deterministic interrupt handling while remaining programmable with the same MPLAB toolchain used for PIC24 MCUs.
Key features of this device include a 16-bit modified Harvard architecture core running at 40 MIPS, 64 KB of self-programming FLASH, seamless migration options to PIC24F, PIC24H MCUs and dsPIC30F DSCs in similar packages, and multiple PGECx/PGEDx pin pairs supporting In-Circuit Serial Programming (ICSP) and in-circuit debugging.
Architecturally, the dsPIC33F core integrates DSP multiply-accumulate hardware, hardware looping, and a wide accumulator, enabling efficient execution of digital filters, FFTs, and control loops. General-purpose (GP) variants such as the GP310 emphasize communication and general peripherals, making them a strong fit where mixed control and signal processing is required without a standalone DSP.
Typical applications include industrial motor control and power conversion, digital audio and speech processing, sensor conditioning and smart-metering front ends, and embedded networking nodes. The 100-pin TQFP provides generous I/O and peripheral pin-muxing headroom for these systems.
When designing with this part, use one PGECx/PGEDx pair consistently for programming and debugging - if PGEC2 carries ICSPCLK, ICSPDAT must use PGED2, per Microchip documentation.
This page synthesizes distributor pricing (LCSC, DigiKey, Mouser), drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33FJ64GP310-I/PF — 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 DSPIC33FJ64GP310-I/PF (same form factor and footprint) — differing in Operating Temperature, Core Architecture, Program Memory Size, Series, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP310A-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP310AT-I/PF
✅ Drop-In✓ In Stock
$5.06 / Unit
View Datasheet →DSPIC33FJ128GP310-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.48 / Unit
View Datasheet →DSPIC33FJ256GP510-I/PF
✅ Drop-In✓ In Stock
$4.98 / Unit
View Datasheet →DSPIC33FJ64GP710-I/PF
✅ Drop-In✓ In Stock
$6.45 / Unit
View Datasheet →DSPIC33FJ64GP310-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory | 64 KB (64K x 8) FLASH |
| Supply Voltage | 3.3 V |
| Operating Temperature | -40C to +85C (Industrial, I-temp grade) |
| Package | 100-TQFP (14x14 mm), 0.5 mm pitch |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33F General Purpose (GP) Digital Signal Controller |
| Programming/Debug Interface | ICSP via multiple PGECx/PGEDx pairs (must be used as matched pairs) |
| Migration Path | Seamless migration to PIC24F, PIC24H MCUs and dsPIC30F DSCs in similar packages |
| Packaging | Tray |
DSPIC33FJ64GP310-I/PF 100-tqfp (14x14 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP310-I/PF (100-tqfp (14x14 mm), 0.5 mm pitch 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 DSPIC33FJ64GP310-I/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP310-I/PF is suitable for 6 applications: Industrial Motor Control, Digital Audio Processing, Smart Metering and Sensor Front Ends, Embedded Industrial Networking Nodes, Power Conversion and Digital Power Supplies, Test and Measurement Instrumentation.
Industrial Motor Control
The DSPIC33FJ64GP310-I/PF fits motor-control applications because its 16-bit DSP core runs at 40 MIPS with single-cycle multiply-accumulate, sustaining field-oriented control (FOC) current loops at tens of kHz while leaving headroom for supervisory logic. The deterministic interrupt structure ensures PWM update and ADC sample timing jitter stays low, which directly reduces torque ripple. In a typical drive, the DSC reads phase currents through its ADC, executes PI/FOC loops in firmware, and drives a PWM stage; the 100-pin TQFP provides ample I/O for gate interfaces, encoders, and fault inputs. Compared with a discrete MCU plus DSP, integration reduces BOM count, and the 3.3V single-supply operation simplifies isolation design on the controller side.
Recommended
Digital Audio Processing
The DSPIC33FJ64GP310-I/PF suits digital audio and speech products because the 40 MIPS DSP engine with hardware MAC executes FIR/IIR filters, sample-rate conversion, and codec interfacing in real time at standard audio sample rates. The general-purpose peripheral mix supports I2S-style serial links, UARTs for protocol control, and general-purpose I/O for user interfaces, all on one 3.3V device in a compact 14x14 mm TQFP. Using the DSC removes the need for a separate audio DSP in mid-range designs, cutting cost and board area. Firmware can be recompiled from the same dsPIC33F codebase as higher-memory siblings, and the 64 KB FLASH accommodates typical effect and filter chains; larger libraries fit by moving to the pin-compatible 256 KB GP510 variant.
Recommended
Smart Metering and Sensor Front Ends
In smart-meter and sensor-conditioning systems, the DSPIC33FJ64GP310-I/PF provides the DSP throughput needed for RMS computation, harmonic analysis, and digital filtering of ADC streams, while its general-purpose peripherals handle communication and tamper monitoring. The 40 MIPS core performs fixed-point FFTs and accumulation for energy registers with deterministic latency, and the industrial -40C to +85C rating matches outdoor meter enclosures. The 100-pin TQFP gives enough I/O to drive displays, multiple UART/serial links, and pulse outputs without external glue logic. Because the same footprint migrates across dsPIC33F memory options, a single meter PCB can serve basic and premium firmware tiers simply by changing the populated part number.
Recommended
Embedded Industrial Networking Nodes
For factory nodes bridging sensors, actuators, and field buses, the DSPIC33FJ64GP310-I/PF combines 40 MIPS control throughput with serial communication peripherals mapped across the 100-pin TQFP, letting one device handle protocol stacks, local control loops, and I/O scanning simultaneously. The general-purpose peripheral set covers UART, SPI, and I2C-style links common in MODBUS-style and CAN-gateway architectures, while the DSP core runs filtering on analog inputs before transmission. The industrial temperature grade and 3.3V supply integrate directly into standard PLC backplanes. Using matched PGECx/PGEDx pairs reserved for ICSP allows field firmware updates through a service header without removing the controller from the board.
Recommended
Power Conversion and Digital Power Supplies
Digital power supplies, inverters, and DC-DC stages benefit from the DSPIC33FJ64GP310-I/PF because its 40 MIPS DSP core closes voltage and current loops at the switching frequency with single-cycle MAC throughput, supporting predictive and multi-loop control schemes. High-resolution timing from core-driven PWM and fast ADC sampling aligns with the deterministic interrupt model of the dsPIC33F family. The 100-pin package exposes enough pins for interleaved phases, temperature and fault monitoring, and host communication. Compared with analog control, firmware-based control allows soft-start profiles, adaptive dead-time, and telemetry without hardware changes, and the shared footprint with the GP710 variant lets designers switch to motor-control peripheral mapping without a PCB respin.
Recommended
Test and Measurement Instrumentation
Bench and portable instruments use the DSPIC33FJ64GP310-I/PF as a real-time processing engine: its 40 MIPS core and hardware DSP support triggered acquisition, digital triggering, and on-device averaging of ADC data, offloading the host processor. The 100-pin TQFP offers the pin count to attach display interfaces, keypad scanning, multiple serial ports, and calibration EEPROM paths concurrently. The -40C to +85C industrial rating and 3.3V single-rail operation simplify power design in rack-based systems. Instruments benefit from the seamless migration path to PIC24 and dsPIC30F devices in similar packages, protecting long-life product lines against supply changes, and the ICSP debug pairs enable production calibration firmware to be updated on the assembled board.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP310-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP310A-I/PF | DSPIC33FJ256GP510-I/PF | DSPIC33FJ64GP710-I/PF |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-TQFP (14x14 mm) | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same | 100-TQFP (14x14 mm) - same |
| Core Performance | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS | 16-bit, 40 MIPS |
| FLASH Program Memory | 64 KB | 64 KB | 256 KB | 64 KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Peripheral Orientation | General purpose (GP) | General purpose (GP) | General purpose (GP510) | Motor-control oriented (GP710) |
Key Differentiators
- General-purpose peripheral mapping vs motor-control family sibling (vs DSPIC33FJ64GP710-I/PF)
- Lowest memory cost point in the 100-pin GP family (vs DSPIC33FJ256GP510-I/PF)
- A-step errata resolution available in same footprint (vs DSPIC33FJ64GP310A-I/PF)
Design Notes
The 100-pin TQFP uses a 0.5 mm pitch, so specify a PCB footprint with 0.25-0.30 mm finished pad width and non-solder-mask-defined pads to avoid bridging in reflow. Fan out via dogbone vias on outer rows rather than via-in-pad to keep assembly yield high. Reserve at least one full PGECx/PGEDx pair plus MCLR to a 5-pin (or 6-pin) ICSP header placed close to the device; keep series resistance on programming lines minimal since ICSP timing margins tighten with long traces.
A documented pitfall of the dsPIC33FJ64GP310 is that it has more than one PGECx/PGEDx pair, and pairs must be used as matched pairs: if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2 - never mix pairs. Additionally, confirm whether your board targets the original or A-step silicon, as early revisions carry errata; for new designs prefer the A-step (DSPIC33FJ64GP310A). Finally, remember the I/PF part is tray-packed, so quantity planning differs from tape-and-reel (PT suffix) variants in automated assembly.
Estimated: decouple the 3.3V rail with one 0.1 uF ceramic per supply pin group plus at least one 4.7-10 uF bulk capacitor near the device; place the smallest capacitors within 2-3 mm of VDD/VSS pairs. Keep VDD ripple low because 40 MIPS core switching draws transient current on each clock edge. Verify actual pin assignments and current figures against the Microchip dsPIC33FJXXXGPX06/X08/X10 family datasheet, as this note is layout guidance rather than a datasheet specification.
Compliance Information
Compliance data not present in the retrieved web results; confirm RoHS/REACH status on the Microchip product page or with your distributor before release.
