DSPIC33FJ64GP804-E/PT - 16-bit DSC 64KB Flash 40MIPS | Microchip
MPN: DSPIC33FJ64GP804-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $2.81 | $2.81 |
| 10 | $2.62 | $26.20 |
| 100 | $2.35 | $235.00 |
| 500 | $2.1 | $1,050.00 |
| 1,000 | $1.95 | $1,950.00 |
DSPIC33FJ64GP804-E/PT Overview
A digital signal controller is a hybrid device class that merges the deterministic interrupt latency and peripheral set of a microcontroller (MCU) with the multiply-accumulate (MAC) DSP engine of a digital signal processor. Within the power-management hierarchy of embedded systems, the DSC sits above a general-purpose MCU and below a dedicated DSP, making the dsPIC33F family a common choice for embedded control loops that also need math-heavy signal processing.
Key features include 8 DMA channels that offload data movement from the CPU, 3 external interrupt sources, and 3 serial communication ports supporting UART, SPI, and I2C peripherals. The device operates from a single 3.0V to 3.6V supply with a nominal 3.3V rail, and integrated audio/general-purpose peripherals make it suited to mixed analog-digital nodes.
Architecturally, the dsPIC33F core uses a modified Harvard pipeline with DSP instruction support (MAC, DSP multiply, barrel shifter) executed in a single cycle at 40 MIPS. Flash program memory is 24-bit instruction-word wide, and the 16KB SRAM supports both data and DSP X/Y memory partitioning. CMOS process technology keeps active current low for industrial duty cycles.
Typical applications include industrial motor control (BLDC/ACIM with sensor feedback), digital power supplies and power-factor-correction stages, and audio/sensor signal processing where a 16-bit DSC with an on-chip ADC is preferred over a discrete MCU-plus-DSP pairing. The extended temperature variant also fits automotive auxiliary and outdoor industrial nodes.
When designing with this device, budget the 3.3V rail decoupling per Microchip layout guidance and confirm the ADC module variant (10-bit vs 12-bit) for your part number before finalizing analog channel counts.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC33FJ64GP804-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 DSPIC33FJ64GP804-E/PT (same form factor and footprint) — differing in Package, Operating Temperature, SRAM, Supply Voltage, Core Architecture.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33FJ64GP804-I/PT
✅ Drop-In✓ In Stock
$3.72 / Unit
View Datasheet →DSPIC33FJ64GP204-E/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33FJ64GP204T-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33FJ32MC304-E/PT
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →DSPIC33FJ32GP304-I/PT
✅ Drop-In✓ In Stock
$2.29 / Unit
View Datasheet →DSPIC33FJ64GP804-E/PT Maximum Ratings & Electrical Characteristics
| Core | 16-bit dsPIC33F RISC with DSP engine |
| Program Memory Size | 64 KB Flash |
| RAM Size | 16 KB SRAM |
| Maximum Operating Frequency | 40 MIPS (up to 40 MHz) |
| Supply Voltage Range | 3.0 V to 3.6 V (3.3 V nominal) |
| Operating Temperature Range | -40C to +125C (extended, E suffix) |
| Package | 44-pin TQFP (10 x 10 mm), PT suffix |
| Mounting Type | Surface Mount |
| DMA Channels | 8 |
| External Interrupts | 3 |
| Serial Communication Ports | 3 (UART/SPI/I2C peripherals) |
| Technology | CMOS |
| Qualification | Automotive AEC-Q100 |
| Program Memory Type | Flash |
| Instruction Word Width | 24-bit |
DSPIC33FJ64GP804-E/PT 44-pin tqfp (10 x 10 mm), pt suffix Pin Configuration Guide
Pin configuration for DSPIC33FJ64GP804-E/PT (44-pin tqfp (10 x 10 mm), pt suffix 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 DSPIC33FJ64GP804-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33FJ64GP804-E/PT is suitable for 6 applications: Digital Motor Control (BLDC/PMSM), Digital Power Conversion (PFC / DC-DC), Audio and Sensor Signal Processing, Automotive Auxiliary Modules, Industrial Sensing and Data Acquisition Nodes, Embedded Control with Serial Networking.
Digital Motor Control (BLDC/PMSM)
The DSPIC33FJ64GP804-E/PT's 40 MIPS dsPIC33F core with single-cycle MAC instructions executes field-oriented control (FOC) and sensorless observer algorithms within tight PWM loop deadlines, making it a proven fit for BLDC and PMSM drives. Its 8 DMA channels can stream ADC current-sense samples into SRAM without CPU intervention, keeping control-loop jitter deterministic. The GP804's general-purpose peripheral set also supports multiple UART/SPI links for drive supervision and parameter tuning. When the design is a dedicated motor drive rather than a mixed application, the companion motor-control variant DSPIC33FJ32MC304-E/PT offers the same 44-TQFP footprint with drive-optimized PWM peripherals; PCB reuse across both parts shortens qualification cycles.
Recommended
Digital Power Conversion (PFC / DC-DC)
Switching power stages benefit from the DSPIC33FJ64GP804-E/PT's deterministic 40 MIPS pipeline and 16-bit DSP engine: voltage- and current-loop compensation (Type II/III, PID) runs in firmware with cycle-accurate PWM updates. The 8 DMA channels offload ADC sample buffering so high-frequency control loops are not disrupted by communication interrupts. Operating from a clean 3.0V-3.6V rail, the controller tolerates the electrically noisy environment typical of digital power supplies when proper decoupling and ground partitioning are applied. The -40C to +125C rating suits power stages near heat-generating MOSFETs, where junction-adjacent ambient commonly exceeds +85C, eliminating derating concerns found in industrial-grade (I) alternatives.
Recommended
Audio and Sensor Signal Processing
The GP (General Purpose) subfamily of the dsPIC33F line, including the DSPIC33FJ64GP804-E/PT, integrates audio-oriented peripherals alongside the DSP MAC engine, enabling real-time filtering, sample-rate conversion, and feature extraction at 40 MIPS. Three serial ports (UART/SPI/I2C-capable) connect audio codecs, MEMS microphones, or external ADCs, while DMA channels sustain continuous sample streaming into the 16KB SRAM. The 64KB Flash accommodates filter coefficient banks and multi-band processing chains. Because the controller is AEC-Q100 qualified with a -40C to +125C range, it also fits acoustic modules mounted in vehicles or outdoor equipment where consumer-grade MCUs would exceed thermal limits.
Recommended
Automotive Auxiliary Modules
The DSPIC33FJ64GP804-E/PT carries Automotive AEC-Q100 qualification (per Arrow distributor data) and an extended -40C to +125C operating range, positioning it for non-safety-critical automotive nodes: body control functions, HVAC actuator drivers, lighting control, and sensor interfaces. The 3.0V-3.6V single-supply operation simplifies power tree design from automotive 12V rails via a buck pre-regulator, and 3 external interrupt pins handle wake-up events. Its 64KB Flash supports in-application reprogramming with bootloader margin. Compared with the industrial-grade DSPIC33FJ64GP804-I/PT, the E grade guarantees operation where under-hood or cabin-solar soak temperatures exceed +85C, removing thermal derating analysis from the qualification report.
Recommended
Industrial Sensing and Data Acquisition Nodes
Distributed industrial sensors and DAQ nodes use the DSPIC33FJ64GP804-E/PT to digitize, filter, and packetize measurements locally. The on-chip 16-bit DSP engine applies IIR/FIR conditioning to raw ADC data at 40 MIPS, while the 8 DMA channels feed UART or SPI links to network transceivers with minimal CPU load. Three external interrupts support threshold-based wake-up for battery-operated field nodes. The 16KB SRAM buffers burst captures, and 64KB Flash stores calibration tables plus protocol stacks. The extended -40C to +125C range covers outdoor cabinets and machinery compartments, and the 44-pin TQFP (10x10 mm) provides ample I/O for multiplexed analog front ends without board-area penalty.
Recommended
Embedded Control with Serial Networking
General embedded controllers that bridge RS-232/RS-485, SPI, or I2C networks benefit from the DSPIC33FJ64GP804-E/PT's three serial I/O ports and 8 DMA channels: simultaneous multi-protocol bridging runs without software bottlenecks. The 40 MIPS core executes protocol stacks plus application logic with headroom, and 64KB Flash leaves room for field firmware updates and data logging. Because the device is pin-compatible within the dsPIC33FJ 44-TQFP family (including DSPIC33FJ64GP204-E/PT and DSPIC33FJ32MC304-E/PT), designers can scale Flash/peripherals across product tiers on one PCB, reducing inventory diversity while the extended temperature rating broadens deployment environments.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33FJ64GP804-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33FJ64GP804-I/PT | DSPIC33FJ64GP204-E/PT | DSPIC33FJ32MC304-E/PT | DSPIC33FJ32GP304-I/PT |
|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB | 64 KB | 64 KB | 32 KB | 32 KB |
| Max Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Operating Temperature | -40C to +125C | -40C to +85C | -40C to +125C | -40C to +125C | -40C to +85C |
| Peripheral Subfamily | GP (General Purpose) | GP - identical die | GP - reduced peripheral set | MC - motor control optimized | GP - general purpose |
| Automotive Qualification | AEC-Q100 | Not E-grade (industrial) | Extended temp (E) | Extended temp (E) | Industrial (I) |
Key Differentiators
- Extended temperature range in the same footprint (vs DSPIC33FJ64GP804-I/PT)
- Full GP peripheral set with 64KB Flash (vs DSPIC33FJ64GP204-E/PT)
- General-purpose flexibility vs motor-control specialization (vs DSPIC33FJ32MC304-E/PT)
Design Notes
The DSPIC33FJ64GP804-E/PT runs from a 3.0V to 3.6V rail. Place one 0.1uF ceramic capacitor at each VDD/VSS pin pair within 2-3 mm of the pins, plus at least 4.7uF-10uF of bulk capacitance near the device. Per Microchip's dsPIC33F family power guidance, all VDD pins on the 44-TQFP must be connected - floating a power pin causes erratic brown-out behavior. If powering from an automotive 12V rail, use a buck pre-regulator with output well below 3.6V under all load transients, since absolute maximum VDD margin on the dsPIC33F family is limited.
Estimated: The E-grade rating of -40C to +125C gives substantial thermal headroom, but junction temperature depends on theta_JA of the 44-TQFP (10x10 mm) package with your board copper. As a rule of thumb for this package class, expect roughly 50-70 C/W theta_JA on a standard 4-layer board; with typical dsPIC33F active currents of tens of milliamps at 3.3V (well under 0.2W dissipation), junction rise stays under 15C, so the +125C limit is rarely the binding constraint. Verify with the exact theta_JA figure in the family datasheet section for the PT package when doing enclosure-level thermal budgets.
Do not assume drop-in equivalence between GP and MC subfamily parts purely by footprint: DSPIC33FJ32MC304-E/PT shares the 44-TQFP land pattern with this part but its ADC channel-to-pin mapping and peripheral allocation differ, so analog front-end routing must be re-verified against the target datasheet before a BOM swap. Also confirm the oscillator configuration: dsPIC33F parts support multiple clock sources (internal FRC, primary XT, PLL), and an incorrect configuration-word setting during programming leaves the device running from FRC instead of the intended crystal, silently degrading timing accuracy.
Route analog inputs away from the high-slew PWM and crystal traces on the 44-TQFP. For ADC sampling accuracy, add a small RC anti-aliasing filter (for example 1k ohm + 1nF) at each analog channel and keep source impedance within the range specified in the ADC section of the dsPIC33FJ family reference manual; high source impedance without an adequate acquisition window causes crosstalk between sampled channels. Use a solid ground plane and connect VSS pins directly to it rather than through thermal-relief spokes.
Compliance Information
AEC-Q100 automotive qualification per Arrow distributor listing. RoHS/REACH/lead-free/halogen status not stated in retrieved web data - confirm on the Microchip product page certificate of compliance.
