DSPIC33FJ64GP204-E/ML - 16-bit DSC 40MIPS 64KB Flash | Microchip
MPN: DSPIC33FJ64GP204-E/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.12 | $6.12 |
| 10 | $5.55 | $55.50 |
| 100 | $4.88 | $488.00 |
| 500 | $4.42 | $2,210.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC33FJ64GP204-E/ML Overview
A digital signal controller merges the computational throughput of a DSP with the peripheral set, interrupt structure and ease of use of a microcontroller, sitting in the product hierarchy between a general-purpose MCU and a dedicated DSP. In a typical embedded system the DSC executes the real-time control loop, digital filters, and fast ADC sampling that a conventional 8-bit MCU cannot sustain, while still running application logic, communication stacks, and state machines in C.
Key features of this part include the 40 MIPS 16-bit modified Harvard architecture core, 8-channel DMA for offloading data movement, five 16-bit timers, and advanced analog peripherals. Extended-temperature qualification makes it suitable for harsh industrial environments. Supply voltage spans 3.0V to 3.6V.
Architecturally, the dsPIC33F family is designed to execute digital filter algorithms and high-speed precision digital control loops efficiently, with DSP multiply-accumulate instructions and dual operand fetch sustaining single-cycle MAC throughput. The 21 I/O pins are shared with peripherals, and up to 8 DMA channels transfer ADC results, UART, SPI and other data without CPU intervention.
Typical applications include digital power supplies and power factor correction, motor control (BLDC, PMSM, AC induction), sensor signal processing, and industrial automation requiring real-time loop closure at multi-kilohertz rates.
When designing with this part, budget the 3.0-3.6V rail carefully, use the exposed pad for ground and thermal relief, and verify peripheral pin assignments on the 44-QFN since the 21 I/O are heavily multiplexed. Debug via ICSP/ICD using the standard Microchip header.
This page synthesizes distributor pricing, drop-in same-family alternatives, practical design notes, and comparison data not consolidated in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP204-E/ML — 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-E/ML (same form factor and footprint) — differing in DMA Channels, Operating Temperature, Core Architecture, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP204-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GP204-H/ML
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ128GP204-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ32GP204-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.42 / Unit
View Datasheet →DSPIC33FJ64MC204-I/ML
✅ Drop-In✓ In Stock
$4.25 / Unit
View Datasheet →DSPIC33FJ64GP204-E/ML Maximum Ratings & Electrical Characteristics
| Core | dsPIC33F 16-bit DSC |
| Max CPU Speed | 40 MIPS |
| Program Memory Size | 64KB (64K x 8) Flash |
| RAM Size | 16KB (8192 words) |
| Supply Voltage Range | 3 V to 3.6 V |
| I/O Ports | 21 |
| DMA Channels | 8 |
| Timers | 5 x 16-bit |
| Package Type | 44-QFN (8x8 mm), lead-free plastic, exposed pad |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +125C (Extended, E-grade) |
| Life Cycle Stage | Active |
| Data Bus Width | 16 bit |
| Max Clock Frequency | 40 MHz |
| ROM Type | Flash |
| RoHS Status | Compliant (lead-free package) |
| Series | dsPIC33FJ64GPX04 (General Purpose) |
DSPIC33FJ64GP204-E/ML 44-qfn (8x8 mm), lead-free plastic, exposed pad Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP204-E/ML (44-qfn (8x8 mm), lead-free plastic, exposed pad 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-E/ML.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP204-E/ML is suitable for 6 applications: Digital Power Supplies and PFC, Motor Control (BLDC / PMSM / AC Induction), Sensor Signal Processing, Industrial Automation and Control, Audio and Speech Processing, Embedded Systems Education and Prototyping.
Digital Power Supplies and PFC
The DSPIC33FJ64GP204-E/ML fits digital power supply control because its 40 MIPS core executes single-cycle DSP multiply-accumulate instructions, sustaining PI/PID compensation loops at tens of kilohertz switching frequencies. The 8-channel DMA transfers ADC conversion results to RAM without CPU intervention, guaranteeing deterministic loop latency. The extended -40C to +125C operating range tolerates the elevated ambient temperatures near power stages that commercial-grade MCUs cannot survive. Placed as the supervisory controller between the voltage-feedback ADC and the PWM gate drivers, the DSC closes the current- and voltage-mode loops entirely in software, eliminating analog compensation networks and enabling firmware-adjustable gain scheduling, soft-start, and fault handling across AC-DC and DC-DC converter topologies.
Recommended
Motor Control (BLDC / PMSM / AC Induction)
For motor control, the DSPIC33FJ64GP204-E/ML provides the computational headroom for field-oriented control (FOC): the 40 MIPS 16-bit core with DSP MAC instructions executes the Clarke/Park transforms and current-loop compensation within a single PWM period. Its 21 multiplexed I/O and five 16-bit timers drive complementary or independent PWM outputs with dead-time control, while the 8 DMA channels stream current-sense ADC samples at fixed sampling instants. The pin-compatible DSPIC33FJ64MC204 variant offers a motor-control peripheral emphasis if the design later migrates. The -40C to +125C E-grade rating suits industrial drives, HVAC blowers, and pump applications where the controller sits close to the inverter heat source and ambient temperatures routinely exceed +85C.
Recommended
Sensor Signal Processing
In sensor signal chains, the DSPIC33FJ64GP204-E/ML applies the performance of a DSP to the simplicity of an MCU: 40 MIPS throughput executes FIR and IIR digital filters, FFT windows, and RMS/peak detection routines on sampled sensor data in real time. The 8-channel DMA moves conversion results off the data bus without CPU stalls, and 16KB of SRAM buffers multiple sample windows for block-based processing. General-purpose peripherals (UART, SPI, I2C) forward processed results to host systems. The extended temperature rating supports industrial sensors mounted outdoors or on machinery, and 64KB of Flash accommodates both calibration routines, compensation tables, and a communication bootloader alongside the main filtering application.
Recommended
Industrial Automation and Control
Industrial control systems use the DSPIC33FJ64GP204-E/ML as a real-time node executing precision digital control loops under pressure, exactly the workload Microchip designed the dsPIC33F family for. The 40 MIPS core handles deterministic interrupt servicing for encoder counting, limit-switch monitoring, and sequenced I/O, while communication peripherals link to PLC backbones. The 3.0V to 3.6V supply rail integrates cleanly into industrial 3.3V logic domains, and the -40C to +125C E-grade survives panel enclosures with poor airflow. In a typical deployment the DSC closes local control loops at kilohertz rates while reporting status over UART or SPI to a supervisory controller, combining DSP-grade loop performance with MCU-grade flexibility in a single 44-QFN device.
Recommended
Audio and Speech Processing
The general-purpose (GP) peripherals of the DSPIC33FJ64GP204-E/ML suit audio and speech front-ends: the 40 MIPS DSP engine performs sample-rate conversion, echo cancellation filters, and codec-side gain control, while serial audio interfaces move I2S-style streams. The 64KB Flash holds algorithm plus parameter tables, and 16KB SRAM buffers audio frames with headroom for double buffering via DMA. Embedded voice interfaces, intercom systems, and industrial audio annunciators benefit from the extended -40C to +125C rating, which exceeds what consumer audio MCUs tolerate in outdoor or vehicle-adjacent installations. Because the DSC integrates ADC, DMA, and communication on one die, the bill of materials for a compact speech-processing node stays small and single-sourced.
Recommended
Embedded Systems Education and Prototyping
The DSPIC33FJ64GP204-E/ML is a practical teaching and prototyping device: it is supported by the Microchip Explorer 16/32 Development Board through Plug-In Modules (PIMs), giving students and engineers a low-cost modular path from blinking LEDs to 40 MIPS DSP filter laboratories. The 16-bit architecture demonstrates Harvard DSC concepts without proprietary DSP toolchain complexity, and free Microchip compilers target the family directly. ICSP/ICD debugging over the standard header requires only a low-cost programmer, and the 44-QFN package can be evaluated via QFN adapter boards before committing to a production footprint. Firmware written for this part migrates upward across the dsPIC33F family (32KB to 128KB variants) with minimal changes, protecting course and prototype investment.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP204-E/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP204-I/ML | DSPIC33FJ128GP204-I/ML | DSPIC33FJ64MC204-I/ML |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| DMA Channels | 8 | 8 | 8 | 8 |
| Peripheral Emphasis | General Purpose (GP) | General Purpose (GP) | General Purpose (GP) | Motor Control (MC) |
Key Differentiators
- Extended temperature rating for harsh environments (vs DSPIC33FJ64GP204-I/ML)
- Same footprint with double Flash upgrade path (vs DSPIC33FJ128GP204-I/ML)
- General Purpose analog/peripheral emphasis (vs DSPIC33FJ64MC204-I/ML)
Design Notes
The 44-QFN (8x8 mm) package has an exposed pad that must be soldered to a ground pour with an array of thermal vias (typically 5x5 via grid at 1 mm pitch, per standard Microchip QFN layout guidelines). This pad is the primary ground return and heat dissipation path; perimeter pins alone are unreliable for grounding at 40 MIPS switching currents. Use a solder-mask-defined aperture on the PCB footprint and inspect for voiding via X-ray on first-article builds.
Supply the device from a clean 3.0V to 3.6V rail. Decouple each VDD/VSS pin pair with 0.1 uF ceramics placed within 2 mm of the pins, plus bulk capacitance near the exposed pad. dsPIC33F devices are sensitive to supply droop during Flash write operations, so budget regulator headroom above the worst-case active current at 40 MIPS. Add a ferrite bead between the analog and digital supply islands if ADC accuracy matters in the application.
The 21 I/O pins are heavily multiplexed with peripherals; confirm the final pin mapping against the family datasheet pin diagrams before routing, because changing one peripheral assignment in firmware can silently re-map pins. Temperature-grade ordering errors are another common pitfall: the -E/ML (extended, +125C) and -I/ML (industrial, +85C) suffixes look similar but are not interchangeable in hot enclosures. Verify the exact suffix on incoming reel and tray labels.
Compliance Information
Package described in digchip specification summary as 'lead free, plastic, QFN-44'. REACH, halogen-free, and conflict minerals status not stated in provided data.
