DSPIC33FJ64GP204-E/PT - 16-bit DSC, 40 MIPS, 64KB Flash | Microchip
MPN: DSPIC33FJ64GP204-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
DSPIC33FJ64GP204-E/PT Overview
A digital signal controller combines the compute architecture of a microcontroller with DSP features such as a barrel shifter, hardware multiply-accumulate and single-cycle MAC instructions. In the power-management hierarchy, the dsPIC33F family sits between general-purpose MCUs and dedicated DSPs, targeting high-speed precision digital control loops and digital filter algorithms where a classic MCU lacks throughput and a standalone DSP lacks integrated peripherals and ease of use.
Key features include the 16-bit dsPIC33F core executing up to 40 MIPS, 64KB (64K x 8) of self-programmable flash, 8KB of RAM, and 8 DMA channels that move data between peripherals and memory without CPU intervention. The device integrates 7 timers, 3 serial I/O ports and 3 external interrupt sources, plus boundary-scan/JTAG debug support for testability. The -E suffix denotes the extended operating temperature range of -40C to +125C, and the part is lead-free and RoHS-compliant.
Architecturally, the dsPIC33F uses a modified Harvard pipeline with a 16-bit data path and DSP engine supporting 40-bit accumulators. The nanoWatt power-management technology provides multiple low-power sleep and idle modes, important for battery and always-on monitoring equipment. Flash self-programming enables field firmware updates without an external programmer.
Typical applications include digital power supplies and LED lighting control, motor control inverters requiring fast control-loop execution, sensor conditioning and signal filtering in industrial instrumentation, and automotive/industrial subsystems that benefit from the extended -40C to +125C temperature rating.
Design consideration: the 3.0V to 3.6V supply window requires a dedicated 3.3V rail with good decoupling, and ICSP programming requires PGECx/PGEDx pin pairs to be used as matched pairs per the Microchip programming specification.
This page adds distributor-verified pricing context, drop-in alternatives within the same 44-TQFP footprint, and practical design notes that go beyond the raw datasheet specifications.
Drop-in alternatives for DSPIC33FJ64GP204-E/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-E/PT (same form factor and footprint) — differing in Core Architecture, Operating Temperature, Package, Supply Voltage, Lifecycle Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP204-H/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33FJ64GP204-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.63 / Unit
View Datasheet →DSPIC33FJ32GP204-E/PT
✅ Drop-In✓ In Stock
$3.15 / Unit
View Datasheet →DSPIC33FJ32MC304-E/PT
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →DSPIC33FJ64MC204-E/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33FJ64GP204-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33F DSC |
| Maximum Clock / Performance | 40 MIPS |
| Program Memory | 64 KB (64K x 8) Flash |
| SRAM | 8 KB |
| DMA Channels | 8 |
| Timers | 7 |
| Serial I/O Ports | 3 |
| External Interrupt Sources | 3 |
| Supply Voltage | 3 V to 3.6 V |
| I/O Ports | 21 |
| Operating Temperature | -40C to +125C (Extended, -E suffix) |
| Package | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount |
| Lead Free | Yes |
| RoHS Status | Compliant |
DSPIC33FJ64GP204-E/PT 44-tqfp (10x10 mm) Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP204-E/PT (44-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 DSPIC33FJ64GP204-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP204-E/PT is suitable for 6 applications: Digital Power Supplies, Industrial Motor Control, Sensor Signal Conditioning and DSP Filtering, Automotive-Adjacent Control Modules, Test and Measurement Instruments, LED Lighting and Ballast Control.
Digital Power Supplies
The DSPIC33FJ64GP204-E/PT fits digital power conversion because its 40 MIPS core closes voltage- and current-mode control loops with sample rates well above the switching frequency of typical 100-500 kHz converters. The 8 DMA channels stream ADC conversion results to SRAM without CPU intervention, keeping loop latency deterministic, while the 16-bit DSP engine with barrel shifter executes the PID and compensator math in single cycles. In a typical topology the DSC reads output voltage and current via its on-chip ADC, computes the duty-cycle correction, and drives the PWM stage through its I/O. Unlike analog-only control, firmware control allows soft-start profiling, non-linear gain scheduling and telemetry over its 3 serial ports. The extended -40C to +125C rating sustains operation inside sealed power enclosures where ambient temperatures approach +85C and self-heating adds margin pressure.
Recommended
Industrial Motor Control
For industrial drives and servo subassemblies, the DSPIC33FJ64GP204-E/PT executes the speed and current control loops of PMSM and induction motors at 40 MIPS, with the DSP engine accelerating Clarke/Park transforms and filter stages. The 3 external interrupt sources and multiple timers support fault trip handling with microsecond response, and the boundary-scan capability eases production test of densely populated drive boards. Its 21 I/O ports interface gate drivers, encoder signals and communication transceivers. Engineers needing hardware dead-time insertion and complementary PWM outputs should evaluate the pin-compatible DSPIC33FJ32MC304-E/PT from the MC family, which shares the 44-pin TQFP footprint. The extended temperature range handles drive-cabinet environments, and 64KB flash leaves room for field-updatable firmware implementing anti-cogging or efficiency-optimization routines.
Recommended
Sensor Signal Conditioning and DSP Filtering
Microchip positions the dsPIC33F family for digital filter algorithms, and the DSPIC33FJ64GP204-E/PT applies this to conditioning sensor chains: vibration, pressure and acoustic signals sampled by the ADC are filtered in firmware using FIR/IIR structures accelerated by the 40-bit accumulator DSP engine. The 8 DMA channels move sampled data blocks to SRAM in double-buffered fashion, so filter computation overlaps acquisition with zero CPU copy overhead. Its 21 I/O and 3 serial ports connect to front-end muxes, actuators and a host controller. Compared with an MCU plus external DSP, this single-chip approach reduces BOM count and inter-chip latency. The 3.0V to 3.6V supply integrates cleanly with standard industrial 3.3V rails, and the -E/ temperature grade tolerates outdoor and factory-floor thermal extremes.
Recommended
Automotive-Adjacent Control Modules
The -40C to +125C operating range of the DSPIC33FJ64GP204-E/PT targets modules mounted near heat sources: headlamp ballasts, pump controllers, transmission sensors and HVAC actuators in vehicles and off-highway equipment. The 40 MIPS core handles control loops and CAN-style protocol handling over its serial ports (external transceiver required), while nanoWatt sleep modes keep quiescent draw low when the module waits in standby - important for battery-connected nodes. Microchip USA explicitly describes the dsPIC33FJ64GP204 family as suitable for automotive and industrial applications. Designers needing formal AEC-Q100 qualification or operation above +125C should verify the DSPIC33FJ64GP204-H/PT (+150C) variant. The 44-TQFP 10x10 mm package provides sufficient lead pitch for wave- and reflow-soldered automotive PCB assemblies.
Recommended
Test and Measurement Instruments
Handheld meters, data loggers and bench instrument front-ends use the DSPIC33FJ64GP204-E/PT as the acquisition and computation engine. Its 40-bit-accumulator DSP engine computes RMS, FFT windowing and averaging on sampled waveform data, and boundary-scan/JTAG support simplifies in-circuit test of multi-layer instrument boards. The 8 DMA channels sustain continuous waveform capture into the 8KB SRAM in double-buffered segments, while 64KB flash stores calibration tables and multi-protocol communication firmware across the 3 serial ports. The 3.0V to 3.6V supply matches Li-ion and USB-power rails, and nanoWatt idle modes extend battery-operated logging runtimes. Field firmware updates via flash self-programming let instrument vendors ship feature upgrades without recalls, and the extended temperature range supports handheld use in outdoor conditions.
Recommended
LED Lighting and Ballast Control
Smart LED drivers and HID/electronic ballasts use the DSPIC33FJ64GP204-E/PT to run constant-current loops, dimming curves and PFC stages from a single controller. At 40 MIPS, firmware executes both the fast inner current loop and slower outer regulation plus communication (DALI/DMX-style via serial ports) concurrently. The 8 DMA channels keep ADC sampling of switch current synchronized to the PWM period for stable peak-current-mode control. Compared with discrete analog dimmers, firmware control enables color temperature mixing, fault logging and programmable startup profiles. The -40C to +125C rating is essential inside sealed luminaires where junction temperatures rise well above ambient, and the 44-TQFP 10x10 mm footprint with 0.8 mm lead pitch suits mid-volume lighting PCBs assembled on standard SMT lines.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP204-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP204-H/PT | DSPIC33FJ64GP204-I/PT | DSPIC33FJ32GP204-E/PT | DSPIC33FJ32MC304-E/PT |
|---|---|---|---|---|---|
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP - same footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Performance | 40 MIPS, 16-bit | 40 MIPS, 16-bit | 40 MIPS, 16-bit | 40 MIPS, 16-bit | 40 MIPS, 16-bit |
| Program Flash | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| Operating Temperature | -40C to +125C | -40C to +150C | -40C to +85C | -40C to +125C | -40C to +125C |
| Peripheral Family | GP (general purpose) | GP - identical | GP - identical | GP - identical | MC (motor control peripherals) |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V |
Key Differentiators
- Extended temperature rating for harsh environments (vs DSPIC33FJ64GP204-I/PT)
- Full 64KB flash headroom (vs DSPIC33FJ32GP204-E/PT)
- General-purpose peripheral set for signal-chain designs (vs DSPIC33FJ32MC304-E/PT)
Design Notes
The DSPIC33FJ64GP204-E/PT requires a tightly regulated 3.0V to 3.6V supply; using a 5V-tolerant LDO output directly above 3.6V will exceed the absolute maximum. Decouple every VDD pin pair with 0.1 uF ceramic capacitors placed within 2 mm of the pins, plus one bulk 10 uF capacitor per power domain. Connect the VCAP/VDDCORE pin to its specified external capacitor exactly as shown in the datasheet typical connection diagram - this internal core-regulator capacitor is mandatory and a common bring-up failure point if omitted or mis-valued.
The 44-TQFP (10x10 mm, 0.8 mm pitch) leaves an uncommitted center area - use it for a solid ground plane via stitching rather than signal routing. Keep the OSC1/OSC2 crystal traces short (under 15 mm) and guard them with ground. Route AVDD/AVSS as a quiet analog island with a ferrite bead from the digital 3.3V rail to preserve ADC accuracy in mixed-signal designs. All VDD and VSS pins must be connected even if the design seems low-power, per the Microchip programming specification.
ICSP programming requires PGECx and PGEDx pins to be used strictly as matched pairs - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2 (per northernsoftware.com programming notes), not to a PGED pin from a different pair. Mixing pairs is the most common in-circuit programming failure. Also verify that peripheral pin-select assignments do not remap the programming pins before production programming, and confirm the -E/ grade junction temperature: estimated -40C to +125C ambient plus self-heating means thermal design matters in sealed enclosures.
Compliance Information
Lead-free plastic 44-TQFP per FindIC verified listing; RoHS compliant per DigiKey/Mouser categorization. No AEC-Q100 qualification stated in verified data for this MPN.
