DSPIC33FJ64GP204-I/PT - 16-bit DSC, 64KB Flash, 40 MIPS | Microchip
MPN: DSPIC33FJ64GP204-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.44 | $6.44 |
| 10 | $5.9 | $59.00 |
| 100 | $5.45 | $545.00 |
| 500 | $5.02 | $2,510.00 |
| 1,000 | $4.63 | $4,630.00 |
DSPIC33FJ64GP204-I/PT Overview
A Digital Signal Controller is a hybrid device that merges the deterministic control structure of a microcontroller (MCU) with the computational architecture of a digital signal processor (DSP). In the semiconductor hierarchy it sits between general-purpose MCUs and dedicated DSPs: like an MCU it offers Flash memory, rich peripherals, interrupts and GPIO; like a DSP it executes multiply-accumulate (MAC) operations in a single cycle, which is essential for digital filters and precision control loops.
Key features include the 64 KB self-programming Flash with 1K-word erase granularity, DSP-capable instruction set, and on-chip advanced analog peripherals typical of the dsPIC33FJ64GP family. The industrial-grade (-40C to +85C) temperature suffix and Tray packaging suit volume assembly. According to distributor listings, the part is Active in lifecycle stage and in stock at major distributors such as DigiKey and Mouser.
Architecturally, the dsPIC33F is based on a 16-bit modified Harvard RISC core with pipelined execution, hardware looping and bit-reversed addressing for FFTs, and multiple pairs of PGECx/PGEDx pins supporting In-Circuit Serial Programming (ICSP) and in-circuit debugging via MPLAB tools such as MPLAB SNAP, ICD and REAL ICE.
Typical applications include digital power supplies and power factor correction, sensorless and field-oriented motor control, digital audio processing and filtering, and high-speed precision digital control loops in industrial automation. The DSP engine and DMA make it ideal where algorithms must run deterministically under load.
Design consideration: all VDD/VSS pairs must be decoupled, and the ICSP pair selection (for example PGEC2 with PGED2) must be consistent, as programming will fail if the pair is mismatched.
This page synthesizes distributor pricing, pin-compatible dsPIC33FJ64GP family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a single citation-ready reference.
Drop-in alternatives for DSPIC33FJ64GP204-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 DSPIC33FJ64GP204-I/PT (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Supply Voltage, Package, I/O Ports.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ32GP204-I/PT
✅ Drop-In✓ In Stock
$3.78 / Unit
View Datasheet →DSPIC33FJ32GP204-E/PT
✅ Drop-In✓ In Stock
$3.15 / Unit
View Datasheet →DSPIC33FJ128GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.61 / Unit
View Datasheet →DSPIC33FJ64GP204-E/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ64MC204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.75 / Unit
View Datasheet →DSPIC33FJ32MC204-I/ML
✅ Drop-In✓ In Stock
$4.37 / Unit
View Datasheet →DSPIC33FJ64GP204-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F RISC DSC |
| Maximum Clock Speed | 40 MHz |
| Performance | 40 MIPS |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Supply Voltage | 3 V to 3.6 V |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| I/O Ports / GPIO | 21 ports listed (up to 35 I/O per distributor data) |
| DMA | Yes (DMA controller) |
| DSP Engine | Single-cycle MAC, 40-bit accumulators |
| Programming Interface | ICSP via PGECx/PGEDx pairs |
| Debugging Support | In-circuit debugging (MPLAB ICD/REAL ICE/SNAP) |
| ECCN | 3A991A2 |
| Packaging | Tray |
| Lifecycle Status | Active |
| Series | dsPIC 33F |
| RoHS / Lead-Free Package Code | Lead-free plastic QFP/TQFP per package code |
DSPIC33FJ64GP204-I/PT lead-free plastic qfp/tqfp per package code Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP204-I/PT (lead-free plastic qfp/tqfp per package code 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 DSPIC33FJ64GP204-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP204-I/PT is suitable for 6 applications: Digital Power Supplies and PFC, Sensorless Motor Control, Digital Audio Processing, Industrial Sensing and Data Acquisition, Embedded Control with ICSP Field Updates, Medical and Portable Instrumentation.
Digital Power Supplies and PFC
The DSPIC33FJ64GP204-I/PT executes high-speed precision digital control loops at 40 MIPS, making it a strong fit for digitally controlled buck, boost, and PFC converters where loop bandwidths of tens of kHz demand deterministic interrupt-to-PWM latency. The single-cycle 17x17 MAC accelerates PID and compensator computation, while the DMA moves ADC sample buffers to RAM without CPU overhead, keeping the control-loop jitter low. Because dsPIC33F devices were explicitly designed by Microchip for high-speed precision control loops (per the family datasheet), the GP204 replaces analog compensation networks with firmware, enabling adaptive gains, soft-start profiles, and telemetry. The 3.0-3.6 V supply and -40C to +85C rating suit power-electronics environments; use one PGEC/PGED pair on a programming header for field firmware updates.
Recommended
Sensorless Motor Control
For BLDC, PMSM, and induction motor drives, the DSPIC33FJ64GP204-I/PT provides the 40 MIPS headroom needed for field-oriented control (FOC) math, including Clarke/Park transforms and sliding-mode observers, using its single-cycle MAC and 40-bit accumulators. Although the MC204 variant carries dedicated motor-control PWM peripherals, the GP204 handles sensorless sensor-fusion algorithms and communications stacks concurrently thanks to 64 KB Flash and DMA. Digital filter algorithms for current sensing run directly on-chip, per Microchip's family description for digital filter execution. Place the controller near gate-driver circuitry with careful analog grounding of current-shunt amplifier inputs; the industrial temperature grade and 3.3 V single-supply simplify integration into drive enclosures, and the same 44-TQFP footprint allows migration to MC204 if motor-control PWM depth must increase.
Recommended
Digital Audio Processing
Audio applications benefit from the DSPIC33FJ64GP204-I/PT's DSP engine: biquad IIR filters, FIR equalizers, and sample-rate conversion all map efficiently onto the single-cycle MAC architecture. Operating at 40 MIPS, the device can sustain multiple simultaneous filter channels at standard 44.1/48 kHz sample rates while servicing serial audio interfaces through DMA-buffered transfers, minimizing audible glitches from interrupt latency. The 64 KB Flash stores coefficient tables and multiple preset curves, and self-programming Flash allows field updates of presets. The -40C to +85C industrial range and 3.3 V operation support both consumer and automotive-adjacent audio products. Designers should place an analog supply filter close to the ADC input pins and route the audio ground separately from digital returns to preserve signal-to-noise ratio in the converter front end.
Recommended
Industrial Sensing and Data Acquisition
In factory automation and condition-monitoring nodes, the DSPIC33FJ64GP204-I/PT combines on-chip analog inputs with DSP post-processing, letting one chip amplify-filter-decide on vibration or current signatures. The 40 MIPS core executes FFT windows on DMA-captured ADC buffers while the CPU concurrently runs Modbus or CAN-style communications tasks, a workload split enabled by the 64 KB program memory. Microchip positions dsPIC33F devices for applications that 'perform under pressure' - deterministic execution under full algorithm load - which matters for alarm latencies in monitoring systems. The industrial temperature rating (-40C to +85C) tolerates panel and motor-junction environments, and ICSP with MPLAB SNAP allows in-enclosure reprogramming during commissioning. Decouple every VDD/VSS pair and keep analog traces short to protect measurement accuracy in electrically noisy cabinets.
Recommended
Embedded Control with ICSP Field Updates
The DSPIC33FJ64GP204-I/PT supports In-Circuit Serial Programming through multiple PGECx/PGEDx pairs, enabling field firmware updates without desoldering - a decisive advantage for long-lived industrial products requiring bug fixes or feature additions after deployment. Per northernsoftware.com, any PGEC/PGED pair works, but ICSPCLK and ICSPDAT must come from the same numbered pair, so designers should standardize on one pair (for example PGEC2/PGED2) and expose it with MCLR on a 5- or 6-pin header. The self-programming 64 KB Flash supports bootloader architectures that pull encrypted images from external storage. MPLAB SNAP provides low-cost in-circuit debugging over High-Speed USB 2.0 using just two I/O pins and reset, keeping production test fixtures simple. Budget code space carefully: the bootloader typically reserves 1-4 KB of the 64 KB Flash.
Recommended
Medical and Portable Instrumentation
Battery-powered medical instruments - glucose analyzers, portable ECG front ends, infusion monitoring - leverage the DSPIC33FJ64GP204-I/PT's combination of 3.3 V single-supply operation, on-chip analog acquisition, and DSP filtering that extracts clinically meaningful waveforms from noisy sensor data. The 40 MIPS DSP engine runs 50/60 Hz notch filters, baseline wander removal, and QRS detection algorithms in real time, while DMA keeps the core free for user-interface and data-logging tasks. The industrial -40C to +85C rating covers sterilization-adjacent environments, and the compact 10x10 mm TQFP-44 fits handheld enclosures. Designers must plan noise budgets carefully: separate analog and digital ground regions, place the crystal within millimeters of OSC1/OSC2, and verify that Flash write operations do not brown out the 3.3 V rail during logging bursts. Low-power standby strategies preserve battery life between measurements.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP204-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ32GP204-I/PT | DSPIC33FJ32GP204-E/PT | DSPIC33FJ128GP204-I/PT | DSPIC33FJ64MC204-I/PT | DSPIC33FJ32MC204-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | QFN-44 (same pin map, different land pattern) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 32 KB | 32 KB | 128 KB | 64 KB | 32 KB |
| Core Performance | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz | 40 MIPS @ 40 MHz |
| 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 | 3 V to 3.6 V |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Peripheral Family Focus | GP (general purpose / signal processing) | GP - same focus | GP - same focus | GP - same focus | MC - motor-control PWM emphasis | MC - motor-control PWM emphasis |
Key Differentiators
- Balanced 64 KB Flash for bootloader + DSP application code (vs DSPIC33FJ32GP204-I/PT)
- Cost-efficient memory point within the pin-compatible GP204 family (vs DSPIC33FJ128GP204-I/PT)
- General-purpose peripheral set for signal-processing-centric designs (vs DSPIC33FJ64MC204-I/PT)
Design Notes
Decouple every VDD/VSS pair on the 44-TQFP with a 0.1 uF ceramic capacitor placed within 2-3 mm of the pin pair, and add one bulk 10 uF capacitor near the device. All VDD and VSS pins must be connected during both operation and programming - a floating VSS pair is a common cause of failed ICSP sessions and erratic brown-outs. Use a solid ground plane under the 10x10 mm body; the TQFP's lead-frame inductance makes return-path quality critical at the 40 MHz internal clock's fast edges.
The DSPIC33FJ64GP204 offers multiple PGECx/PGEDx pairs for ICSP. Per Microchip tooling documentation (and northernsoftware.com), ICSPCLK and ICSPDAT must come from the SAME numbered pair - mixing PGEC2 with PGED1 prevents programming and is the most frequent bring-up error. Reserve one full pair plus MCLR on a standard header, avoid loading those pins with pull-downs or LEDs, and keep trace length under ~10 cm for reliable MPLAB SNAP debugging.
Supply the DSC from a clean 3.3 V rail within the 3.0-3.6 V operating window. Estimated: at 40 MIPS with peripherals active, core current is in the tens-of-mA range, so an LDO rated at 150-250 mA gives comfortable margin including Flash write peaks; verify against the datasheet electrical characteristics table for your exact peripheral loading. For DSP-heavy loops, keep the analog supply fed through an RC or ferrite filter so ADC reference noise stays low. Confirm supply droop during concurrent Flash self-programming to avoid spurious resets.
Keep the primary crystal within a few millimeters of OSC1/OSC2 with short, guarded traces to reduce jitter into the PLL-driven 40 MHz system clock. Route analog inputs (PORTB bank) away from PWM or high-fanout clock signals on the outer TQFP rows; a microvia-free two-layer board can still work if a return path under every digital trace is preserved. For long external buses, enable the internal slew-rate control options on output pins to cut EMI without affecting loop timing.
Compliance Information
digchip listing describes the package as 'LEAD FREE, PLASTIC, QFN-44' (44-pin QFP/TQFP lead-free construction). Microchip states its devices meet the specifications in their datasheets and notes code-protection features. AEC-Q100 qualification not stated in provided data for this GP-grade part.
