DSPIC33FJ64GP306AT-I/PT - 16-bit 40 MIPs DSC 64KB TQFP-64 | Microchip
MPN: DSPIC33FJ64GP306AT-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.62 | $6.62 |
| 10 | $5.96 | $59.60 |
| 100 | $5.3 | $530.00 |
| 500 | $4.64 | $2,320.00 |
| 1,000 | $4.24 | $4,240.00 |
DSPIC33FJ64GP306AT-I/PT Overview
A Digital Signal Controller combines the computational throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the embedded processing hierarchy, it sits between a general-purpose MCU and a dedicated DSP: like an MCU it integrates flash memory, ADCs, UARTs, SPI, I2C, timers and PWM peripherals, but its DSP engine adds hardware multiply-accumulate (MAC), modulo and bit-reversed addressing for digital filter algorithms and high-speed precision digital control loops.
Key features include the 16-bit dsPIC33F RISC core rated at 40 MIPs, 64KB of self-programmable flash memory, single-cycle MAC and hardware divide support, and the advanced analog integration characteristic of the dsPIC33F GP family. The device belongs to the dsPIC33FJXXXGPX06A/X08A/X10A family, which Microchip designed for digital filter execution and demanding closed-loop control, with seamless migration options to PIC24 MCUs and dsPIC30F DSCs in similar packages.
Architecturally, the dsPIC33F core uses a modified Harvard bus structure with a 16-bit instruction word and support for C and efficient assembly development through Microchip MPLAB X IDE and the XC16 compiler. Debugging and in-circuit serial programming (ICSP) use the PGECx/PGEDx pin pairs; any pair may be used, but ICSPCLK and ICSPDAT must come from the same pair.
Typical applications include motor control (FOC and trapezoidal drives), digital power supplies, digital audio and speech processing, and industrial sensing and control systems where DSP-class math and MCU-class integration must coexist.
Design consideration: connect all VDD and VSS pins; per Microchip documentation, programming may fail even if one of these pins is unconnected.
This page synthesizes distributor availability data, same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP306AT-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 DSPIC33FJ64GP306AT-I/PT (same form factor and footprint) — differing in Operating Temperature, Programming Interface, Package, Supply Voltage, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP306A-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP306AT-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ256GP506AT-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.95 / Unit
View Datasheet →DSPIC33FJ256GP506A-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$6.6 / Unit
View Datasheet →DSPIC33FJ64GP306AT-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP306AT-I/PT Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F, 16-bit RISC |
| Program Memory Size | 64KB (64K x 8) FLASH |
| Performance | 40 MIPs |
| Operating Voltage | 3.3 V |
| Package | 64-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Product Family | dsPIC33FJXXXGPX06A/X08A/X10A (General Purpose DSC) |
| Operating Temperature | -40C to +85C (I suffix, industrial) |
| Programming Interface | ICSP via PGECx/PGEDx pin pairs |
| DSP Engine | Single-cycle MAC, digital filter and control loop optimized |
| Migration Path | Seamless migration to PIC24 MCUs and dsPIC30F DSCs in similar packages |
| Packaging | Tape & Reel (T/R) |
DSPIC33FJ64GP306AT-I/PT 64-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP306AT-I/PT (64-tqfp (10x10 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 DSPIC33FJ64GP306AT-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP306AT-I/PT is suitable for 6 applications: Digital Motor Control, Digital Audio and Speech Processing, Digital Power Supplies and SMPS Control, Industrial Automation and Sensing Nodes, Precision Instrumentation and Measurement, Automotive Body and Auxiliary Control (Extended Temp Variants).
Digital Motor Control
The dsPIC33FJ64GP306AT's 40 MIPs DSP core with single-cycle MAC executes field-oriented control (FOC) and trapezoidal commutation loops at update rates unattainable by general-purpose MCUs, while its MCU-class peripherals handle gate drive timing, current sensing and communication. The 64-pin TQFP provides enough I/O for dual motor axes or a single motor with full feedback (encoder, resolver inputs) plus UART/CAN or SPI links to a host controller. Firmware runs from 64KB flash with a control loop in a few kilobytes, leaving room for diagnostics, a bootloader and protocol stacks. Unlike a standalone DSP solution, the DSC integrates the analog front end and PWM timing on-chip, reducing BOM count and loop latency between ADC sampling and PWM update.
Recommended
Digital Audio and Speech Processing
Microchip designed the dsPIC33F General Purpose family explicitly for digital audio and speech processing, and the 40 MIPs core sustains multi-channel FIR/IIR filtering, sample-rate conversion and codec interfacing in real time. The DSP engine's modulo addressing supports circular audio buffers in hardware, while bit-reversed addressing accelerates FFT-based spectral processing. In a typical design the DSC reads an audio codec over SPI or DCI, applies filtering or echo cancellation, and outputs via I2S-style interfaces - all without external DSP memory. The 64KB flash stores algorithm tables and multiple voice profiles, and the industrial temperature range suits automotive cabin audio and public-address hardware that must perform continuously under pressure.
Recommended
Digital Power Supplies and SMPS Control
Switching power supplies benefit from the dsPIC33FJ64GP306AT's deterministic 40 MIPs execution, which closes voltage-mode or current-mode control loops with loop bandwidths in the tens of kilohertz. The ADC samples output voltage and inductor current synchronously with the PWM carrier, and the DSP engine computes PID or compensator terms in single-cycle MAC operations, minimizing control latency. For server and telecom rectifiers, the 64-pin package supplies the parallel I/O needed for current sharing, ORing control, PMBus/I2C telemetry and fault logging simultaneously. Firmware-based control also enables soft-start profiles, adaptive dead-time, and in-field parameter updates from flash that fixed-function controllers cannot match.
Recommended
Industrial Automation and Sensing Nodes
In factory automation, sensor aggregation nodes use the dsPIC33FJ64GP306AT to digitize analog channels, run digital filtering to strip 50/60 Hz interference, and stream conditioned data over multiple UART, SPI or I2C buses simultaneously - peripheral fan-out that the 64-pin TQFP comfortably supports. The 40 MIPs core handles protocol stacks (Modbus, CAN) alongside the filtering math without a second processor, and the 64KB flash retains calibration tables and node firmware with room for OTA-style updates. The industrial -40C to +85C rating covers unconditioned cabinets and outdoor enclosures. Its DSP-class math also enables local edge analytics such as vibration signature detection on motor-mounted accelerometers before data reaches a PLC.
Recommended
Precision Instrumentation and Measurement
Test and measurement front ends exploit the DSC's combination of on-chip analog integration and DSP post-processing: the ADC samples transducer outputs, and the 40 MIPs core applies averaging, windowing and linearization in real time. Digital filter algorithms - the family's stated design target - remove noise that would otherwise require analog stages, and the deterministic execution simplifies timing-accurate stimulus generation. The 64-pin TQFP exposes enough I/O for multiplexed sensor arrays, keypad/display interfaces and USB-UART or Ethernet-bridge links. Because results compute locally, instruments respond immediately without host round-trips. The ICSP debug pins (any matched PGECx/PGEDx pair) allow production calibration firmware updates without unplugging the board.
Recommended
Automotive Body and Auxiliary Control (Extended Temp Variants)
While the standard -I part is rated to +85C, the same footprint is available as DSPIC33FJ64GP306AT-E/PT with a -40C to +125C extended range, letting one PCB design serve both industrial and under-hood auxiliary modules such as pump controllers, lighting sequencers and sensor hubs. The DSC's control-loop throughput drives solenoid and small-motor applications with closed-loop current shaping, while the 64KB flash hosts both the control firmware and diagnostic/UDS-style service code. Seamless migration within the dsPIC33F/PIC24 ecosystem lets designers scale flash (128KB, 256KB in the same TQFP-64 footprint) as feature content grows, protecting the PCB investment across vehicle program generations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP306AT-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP306A-I/PT | DSPIC33FJ128GP306AT-I/PT | DSPIC33FJ256GP506AT-I/PT |
|---|---|---|---|---|
| Package | 64-TQFP (10x10 mm) | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same | 64-TQFP (10x10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit dsPIC33F, 40 MIPs | 16-bit dsPIC33F, 40 MIPs | 16-bit dsPIC33F, 40 MIPs | 16-bit dsPIC33F, 40 MIPs |
| FLASH Memory | 64KB (64K x 8) | 64KB (64K x 8) | 128KB | 256KB |
| Supply Voltage | 3.3 V | 3.3 V | 3.3 V | 3.3 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Pin Count | 64 | 64 | 64 | 64 |
Key Differentiators
- 40 MIPs DSP core with single-cycle MAC (vs DSPIC33FJ64GP206T-I/PT)
- 64KB flash balances cost and code headroom (vs DSPIC33FJ128GP306AT-I/PT)
- Tape & Reel packing for automated production (vs DSPIC33FJ64GP306A-I/PT)
Design Notes
Connect every VDD and VSS pin of the 64-TQFP package. Microchip documentation states explicitly that all VDD and VSS pins must be connected and that programming may fail even if one of these pins is unconnected. On a 64-pin DSC this is easy to miss during schematic review; add a net-tie ERC check for all power pins on every dsPIC33F design.
The device has more than one PGECx/PGEDx pair for ICSP. You may use any pair, but ICSPCLK and ICSPDAT must come from the same pair - for example PGEC2 for ICSPCLK requires PGED2 for ICSPDAT. Mixing pairs is a top cause of 'target device not found' errors in MPLAB X. Route the chosen pair to a standard 5-pin programming header and keep it short (<10 cm) for reliable REAL ICE/ICD debug sessions.
The part operates from a 3.3V rail; provide local 100 nF ceramic decoupling at each VDD pin pair plus one bulk 10 uF capacitor per rail region. Because the 40 MIPs core and flash write currents create fast transient loads, keep the 3.3V regulator impedance low and avoid shared ferrite beads with noisy analog supplies unless the ADC reference is separately filtered. Verify power budget: Estimated: 64-pin dsPIC33F-class parts draw on the order of tens of mA at full speed - confirm exact IDD from the family datasheet electrical characteristics tables.
For DSP-grade ADC performance, partition the ground plane so switching regulator return currents do not cross the analog pin region of the TQFP, and route analog inputs as short as possible with guard traces tied to clean ground. DSP clock edges are fast; keep the crystal or external clock traces under 20 mm with ground guard, and add series termination on high-toggle-rate parallel output buses to control overshoot.
Compliance Information
Compliance status not stated in the provided verified web data. Verify RoHS/REACH status on the Microchip product page or certificate of conformance before specifying.
