DSPIC33EP64GP504T-I/PT - 16-bit DSC 70 MIPS 64KB Flash | Microchip
MPN: DSPIC33EP64GP504T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.6 | $56.00 |
| 100 | $4.9 | $490.00 |
| 500 | $4.4 | $2,200.00 |
| 1,000 | $3.95 | $3,950.00 |
DSPIC33EP64GP504T-I/PT Overview
A digital signal controller combines the deterministic control of a microcontroller (MCU) with the math throughput of a digital signal processor (DSP) in a single core. Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making it the preferred choice for closed-loop control loops that need both C-language ease of use and fast multiply-accumulate (MAC) execution.
Key features of this general purpose (GP) family member include CAN 2.0B communication, three integrated operational amplifiers (Op Amps), four comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch and precision time measurement, and a Peripheral Trigger Generator (PTG) that automates peripheral sequencing to offload the CPU. The datasheet lists this dsPIC33EP family at up to 256KB Flash and 32KB SRAM, so firmware headroom upgrades are available within the same architecture.
Technically, the dsPIC33E core supports DSP instructions, a hardware barrel shifter, and dual operand fetch, enabling single-cycle MAC operations at 70 MIPS. The enhanced peripherals include high-speed PWM-capable timers, multiple UART/SPI/I2C ports, and an ADC suited to fast control-loop sampling. Industrial temperature rating (-40C to +85C, I suffix) covers factory-floor environments.
Typical applications include industrial motor control and automation, CAN-based automotive and industrial networking nodes, and power conversion / digital power supplies where the PTG and comparators simplify loop closure.
Design consideration: at 70 MIPS the device requires a stable 3.3V rail with good decoupling; configure the PLL carefully and budget Flash, as 64KB is modest for complex communication stacks.
This page adds value beyond the datasheet with drop-in alternatives, pricing tiers, design notes, and FAQ answers synthesized from distributor and manufacturer sources.
Drop-in alternatives for DSPIC33EP64GP504T-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 DSPIC33EP64GP504T-I/PT (same form factor and footprint) — differing in Package, Operating Temperature, Packaging, RoHS Status, CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP64GP504T-E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EP64GP504T-E/TL
✅ Drop-In✓ In Stock
$3.5 / Unit
View Datasheet →DSPIC33EP128GP504T-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GP503T-I/TL
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.9 / Unit
View Datasheet →DSPIC33EP64MC504-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.55 / Unit
View Datasheet →DSPIC33FJ32MC204-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP64GP504T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC33E DSC |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24) |
| SRAM | 8 KB (4K x 16) |
| Package | 44-TQFP (PT), surface mount |
| CAN | Yes (CAN 2.0B) |
| Integrated Op Amps | 3 |
| Comparators | 4 |
| CTMU | Yes (Charge Time Measurement Unit) |
| Peripheral Trigger Generator (PTG) | Yes |
| Operating Temperature Range | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Packaging | Tape and Reel (T suffix) |
| RoHS Status | Compliant |
| Family Flash Range | Up to 256 KB Flash / 32 KB SRAM (dsPIC33EP family) |
DSPIC33EP64GP504T-I/PT 44-tqfp (pt), surface mount Pin Configuration Guide
Pin configuration for DSPIC33EP64GP504T-I/PT (44-tqfp (pt), surface mount 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 DSPIC33EP64GP504T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP64GP504T-I/PT is suitable for 6 applications: Industrial Motor Control, CAN Networking Nodes, Digital Power Supplies, Capacitive Touch and Sensing Interfaces, Precision Analog Measurement Systems, Audio Signal Processing.
Industrial Motor Control
The DSPIC33EP64GP504T-I/PT fits industrial motor control because its 70 MIPS DSP core executes single-cycle MAC operations for field-oriented control (FOC) and PID loops, while the integrated 4 comparators and 3 Op Amps condition current-shunt feedback without external amplifiers. The Peripheral Trigger Generator sequences ADC sampling to PWM events with sub-microsecond determinism, removing CPU jitter from the control loop. In a typical PMSM or BLDC drive, the DSC samples phase currents at 10-50 kHz, runs the control math, and updates duty cycles - the 14.3 ns instruction cycle keeps loop latency well within electrical time constants. For designs needing dedicated high-speed PWM peripherals, pin-compatible DSPIC33EP64MC504 variants share the 44-TQFP footprint, allowing migration without PCB rework.
Recommended
CAN Networking Nodes
With an integrated CAN 2.0B controller, the DSPIC33EP64GP504T-I/PT serves as a compact industrial or vehicular network node, processing 8-byte extended frames with hardware filtering while the 70 MIPS core handles local control tasks concurrently. The 64KB (22K x 24) Flash accommodates a CAN stack plus application firmware, and 8KB SRAM buffers message queues. Paired with a CAN transceiver such as the MCP2551, the node connects directly to 1 Mbps CAN buses found in factory automation and body-control systems. The -40C to +85C industrial grade covers unconditioned enclosures, and the CTMU supports low-cost capacitive touch or sensor interfacing at the node. Because the dsPIC33EP family scales to 256KB Flash in pin-compatible packages, fieldbus firmware growth never forces a board respin.
Recommended
Digital Power Supplies
Digital power supplies (LLC resonant, PFC, synchronous buck) benefit from the DSPIC33EP64GP504T-I/PT's combination of 70 MIPS throughput, fast comparators for cycle-by-cycle current limiting, and PTG-driven ADC triggering aligned to switching events. The 3 integrated Op Amps buffer shunt or current-transformer signals, reducing BOM count in compact power stages. The DSP core implements compensator math (type-III, PR, or PI in fixed or Q15 arithmetic) at switching frequencies of 100-500 kHz, while the 14.3 ns instruction cycle enables precise PWM dead-time updates. Industrial temperature rating suits enclosed PSU environments. The GP504's 64KB Flash is ample for state machines, soft-start, telemetry, and PMBus-style communication on UART or I2C.
Recommended
Capacitive Touch and Sensing Interfaces
The Charge Time Measurement Unit (CTMU) on the DSPIC33EP64GP504T-I/PT provides precise charge-based measurement for capacitive touch keys, proximity sensing, and ratiometric analog acquisition, complemented by the 4 on-chip comparators for threshold detection without external components. The 70 MIPS core runs debounce, drift compensation, and multi-touch scanning algorithms with plenty of timing margin, while the 3 Op Amps implement active filters for noisy sensor front ends. Typical products include industrial HMI panels, appliance controls, and ruggedized user interfaces where mechanical switches fail. The 44-TQFP package exposes sufficient I/O for 10+ touch channels plus displays or LEDs, and the -I temperature grade guarantees consistent CTMU calibration across factory-floor ambient swings.
Recommended
Precision Analog Measurement Systems
Measurement front ends leverage the DSPIC33EP64GP504T-I/PT's integrated analog suite: 3 Op Amps for signal conditioning, 4 comparators for event detection, and the CTMU for sub-nanosecond time-of-flight or ultra-low-current measurement. The DSP engine applies digital filtering (IIR/FIR) at 70 MIPS, achieving effective noise floors unattainable with MCU-only sampling. Applications include sensor transmitters, portable instrumentation, and condition-monitoring nodes where the 64KB Flash holds calibration tables and communication stacks. The 8KB SRAM buffers waveform captures for burst analysis. The -40C to +85C rating and RoHS-compliant 44-TQFP package support industrial deployments, and family members up to 256KB Flash allow in-place upgrades when logging or DSP filter complexity grows.
Recommended
Audio Signal Processing
The DSP core's single-cycle MAC, dual operand fetch, and hardware saturation arithmetic make the DSPIC33EP64GP504T-I/PT effective for low-channel-count audio processing: active crossovers, dynamic range compression, and echo cancellation at sample rates up to 48 kHz with headroom. On-chip Op Amps bias and buffer audio inputs, while UART/SPI ports connect to external audio codecs. The 64KB Flash stores filter coefficient sets and multiple preset profiles; 8KB SRAM holds delay lines for effects on the order of tens of milliseconds. For professional multi-channel audio, higher-memory family members provide growth headroom in compatible packages. The industrial temperature grade permits use in automotive-adjacent and commercial-audio amplifier products operating in warm enclosures.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP64GP504T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP64GP504T-E/PT | DSPIC33EP128GP504T-I/PT | DSPIC33FJ32MC204-I/PT |
|---|---|---|---|---|
| Package | 44-TQFP (PT) | 44-TQFP (PT) - same | 44-TQFP (PT) - same | 44-TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB (22K x 24) | 64 KB | 128 KB | 32 KB |
| Core Performance | 70 MIPS | 70 MIPS | 70 MIPS | lower (33F generation) |
| Temperature Range | -40C to +85C (I) | -40C to +125C (E, AEC-Q100) | -40C to +85C (I) | -40C to +85C (I) |
| Automotive Grade | No | Yes (AEC-Q100) | No | No |
Key Differentiators
- Integrated analog suite reduces BOM (vs DSPIC33FJ32MC204-I/PT)
- Extended-temperature drop-in twin available (vs DSPIC33EP64GP504T-E/PT)
- Memory scalability on same footprint (vs DSPIC33EP128GP504T-I/PT)
Design Notes
Power the DSPIC33EP64GP504T-I/PT from a clean 3.3V rail with a 0.1uF ceramic decoupling capacitor at each VDD pin plus at least one 4.7-10uF bulk capacitor per Microchip's family datasheet layout guidance. When the internal PLL boosts the core to 70 MIPS, switching transients increase, so short, low-inductance traces from capacitors to VDD/VSS pairs are essential. Tie all VSS pins to a solid ground plane. Estimated: a fully active core at 70 MIPS draws tens of mA; budget regulator headroom accordingly and confirm exact figures against the datasheet electrical characteristics table.
For the 44-TQFP (PT) footprint, place the crystal or external oscillator as close as possible to the OSCO/OSCI pins with short guard traces to ground to minimize jitter at 70 MIPS. Keep the ICSP programming pins (PGEC/PGED) accessible on test points or a header - losing in-circuit debug access is a costly pitfall. Route analog Op Amp/comparator inputs away from PWM and CAN lines; use ground pour isolation around the analog pins. Reserve a 0-ohm jumper on the CAN transceiver TX line for bus-disable during firmware development.
Do not confuse package suffixes: /PT is 44-TQFP while /ML is 44-QFN (8x8) - they are not footprint-compatible despite identical silicon. Verify the configured device variant in MPLAB X (dsPIC33EP64GP504, not GP502/503) or Flash programming will fail. Remember the T suffix denotes tape-and-reel only. Finally, the -I grade is rated to +85C; for engine-bay or +125C ambients specify the AEC-Q100 qualified -E grade variant instead, since exceeding the rating voids reliability expectations.
Compliance Information
RoHS compliant per Microchip and distributor listings. The -E/PT sibling is AEC-Q100 qualified; this -I grade part is not an automotive-qualified MPN. Confirm REACH/halogen-free status on Microchip's environmental page.
