DSPIC33EP512MU810T-I/PT - 16-bit 70 MIPS DSC, 512KB Flash USB CAN | Microchip
MPN: DSPIC33EP512MU810T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $10.42 | $10.42 |
| 10 | $9.48 | $94.80 |
| 25 | $9.12 | $228.00 |
| 100 | $8.34 | $834.00 |
| 1,000 | $7.21 | $7,210.00 |
DSPIC33EP512MU810T-I/PT Overview
A digital signal controller is a hybrid class of processor that merges the computational architecture of a digital signal processor (hardware multiply-accumulate, DSP instruction extensions) with the peripheral integration and deterministic control of a microcontroller. In the power-management hierarchy of embedded systems, DSCs sit between general-purpose MCUs and dedicated DSPs, making them the preferred choice for closed-loop, computation-intensive control such as field-oriented motor control and digital power conversion.
Key features include the 70 MIPS dsPIC33E core with DSP engine, high-speed PWM peripherals purpose-built for dual motor control, a 32-channel 10/12-bit ADC, USB device support, two CAN 2.0B modules, and 15 DMA channels that offload data movement from the CPU. These peripherals allow one chip to close both current and speed control loops for two motors simultaneously while servicing USB or CAN communication.
Architecturally, the dsPIC33E core uses a modified Harvard pipeline with 24-bit instruction words and 16-bit data paths, plus single-cycle MAC and divide support. The Flash retention and self-programming capability support field firmware updates, while the DMA system keeps ADC sample-to-PWM-update latency predictable.
Typical applications include dual-axis industrial motor drives (BLDC, PMSM, stepper), digital power supplies and solar inverters, automotive and industrial CAN network nodes, and USB-connected instrumentation.
Design consideration: at 70 MIPS the core is sensitive to supply integrity, so a solid 3.3V rail with local decoupling on every VDD/VSS pair and a clean PLL reference clock is essential for stable ADC and PWM operation.
This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC33EP512MU810T-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 DSPIC33EP512MU810T-I/PT (same form factor and footprint) — differing in Package, Program Memory Size, Packaging, USB, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EP512MU810-I/PT
✅ Drop-In✓ In Stock
Contact for price
View Datasheet →DSPIC33EP256MU810T-I/PF
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC33EP256MU810T-E/PT
✅ Drop-In✓ In Stock
$4.62 / Unit
View Datasheet →DSPIC33EP512MU814-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MU811-I/PT
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EP512MU810T-I/PT Maximum Ratings & Electrical Characteristics
| Core Size | 16-bit |
| Core Type | dsPIC33E DSC |
| Maximum Speed | 70 MIPS |
| Clock Frequency | 60 MHz |
| Program Memory Size | 512KB (170K x 24) Flash |
| RAM Size | 52KB |
| Supply Voltage Range | 3 V to 3.6 V |
| Number of I/O | 83 |
| USB | USB 2.0 device |
| CAN Modules | 2 x CAN 2.0B |
| DMA Channels | 15 |
| ADC | 32-channel, 10/12-bit |
| Special Peripherals | High-Speed PWM, dual motor control |
| Package | 100-TQFP (12x12 mm) |
| Operating Temperature | -40C to +85C (I grade) |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Life Cycle Stage | Active |
| RoHS Status | Compliant |
DSPIC33EP512MU810T-I/PT 100-tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for DSPIC33EP512MU810T-I/PT (100-tqfp (12x12 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 DSPIC33EP512MU810T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EP512MU810T-I/PT is suitable for 6 applications: Dual-Axis Industrial Motor Drives, Digital Power Supplies and Solar Inverters, Automotive and Industrial CAN Network Nodes, USB-Connected Test and Measurement Instruments, Embedded Signal Processing and Audio, Robotics and Embedded Automation.
Dual-Axis Industrial Motor Drives
The DSPIC33EP512MU810T-I/PT is purpose-built for dual motor control: its 70 MIPS dsPIC33E core executes field-oriented control (FOC) for two motors while dedicated high-speed PWM modules generate complementary dead-banded gate signals, and the 32-channel 10/12-bit ADC samples phase currents through 15 DMA channels without CPU intervention. In a dual-axis servo or two-motor BLDC drive, ADC conversion completion can trigger PWM duty updates within a single control period, keeping loop latency deterministic. Placed on the same board as gate drivers and a 3.3V rail from a wide-input buck, the DSC handles current, speed, and position loops at kilohertz rates while the dual CAN modules report status on the factory network. The trade-off versus a larger DSP is a 16-bit fixed-point data path, which is sufficient for FOC but requires Q15/Q31 arithmetic care in scaling.
Recommended
Digital Power Supplies and Solar Inverters
Digital power conversion benefits directly from this DSC's architecture: the 70 MIPS core closes voltage and current loops at 100 kHz-plus switching frequencies, while the high-speed PWM supports phase-shifted full-bridge, LLC, and totem-pole topologies with hardware dead-time insertion. The 32-channel 10/12-bit ADC monitors input voltage, output voltage, current, and temperature, and DMA moves each sample set to RAM so the control ISR runs with minimal jitter. In a grid-tied microinverter or telecom rectifier, the dual CAN modules (one for system telemetry, one for stack management) plus USB for commissioning eliminate a separate communication controller. Design consideration: at 3.0-3.6V supply, level shifting is required to interface with 5V-referenced feedback circuits, and ADC reference integrity directly limits regulation accuracy, so a precision external reference is recommended.
Recommended
Automotive and Industrial CAN Network Nodes
With two independent CAN 2.0B controllers and 15 DMA channels, the DSPIC33EP512MU810T-I/PT serves as a protocol gateway or smart sensor node without external CAN silicon. In a vehicle body controller or industrial machine, one CAN port can link to the vehicle bus while the second runs a proprietary diagnostics or safety bus; hardware message filtering reduces interrupt load on the 70 MIPS core. The 512KB Flash holds protocol stacks, application firmware, and bootloaders simultaneously, and 52KB SRAM buffers burst traffic between buses. Note that for automotive deployments the -40C to +85C I grade covers under-dash environments, but under-hood locations need the E-grade (125C) family variant. The USB device port doubles as an end-of-line programming and diagnostics interface, removing a separate connector/controller from the BOM.
Recommended
USB-Connected Test and Measurement Instruments
The integrated USB 2.0 device peripheral makes this DSC a compact engine for bench instruments: data acquisition pods, load controllers, and sensor emitters can stream measurement data over USB while the 70 MIPS core performs DSP filtering (FIR/IIR), and the 32-channel ADC digitizes up to 32 sensor inputs. DMA channels move ADC results to a double-buffered USB endpoint RAM without core involvement, sustaining continuous streaming. The 512KB Flash accommodates USB stack, calibration tables, DSP libraries, and command interpreter with headroom for firmware updates in the field. In a handheld probe or USB dongle instrument, the single 3.3V supply can be derived from the USB 5V bus via a small LDO, keeping the BOM minimal. The 100-pin TQFP exposes 83 I/O for front-panel buttons, displays, and analog front-end control.
Recommended
Embedded Signal Processing and Audio
The dsPIC33E core includes single-cycle MAC, modulo addressing, and hardware multiply-accumulate suited to real-time audio and sensor signal processing at 70 MIPS. Applications such as active noise cancellation modules, acoustic analytics nodes, and DSP-conditioned industrial sensing use the 32-channel 10/12-bit ADC to sample microphones or transducers, process streams with Q15 FIR/IIR filters from the Microchip DSP library, and output results over USB or CAN. The 52KB SRAM holds filter histories and double buffers for several concurrent channels, and 15 DMA channels keep sample transport deterministic. Trade-off: the 12-bit ADC resolution and fixed-point arithmetic limit dynamic range versus a dedicated audio codec-plus-ARM solution, so use external 24-bit codecs (accessed via SPI/DCI) when audiophile-grade SNR is required, keeping the DSC as the processing and communication hub.
Recommended
Robotics and Embedded Automation
Robot joint controllers and automation gateways exploit this DSC's blend of control and connectivity: the dual high-speed PWM drives brushed/BLDC joint motors with encoder feedback into the 32-channel ADC and input-capture timers, while dual CAN links joints into a robot bus and USB provides PC-based tuning. At 70 MIPS, the core runs two joint control loops plus trajectory interpolation with headroom. 512KB Flash stores kinematics tables and firmware-update bootloaders; 52KB SRAM holds trajectory queues. For multi-axis arms, one MU810 can drive two joints, halving controller count versus single-motor MCUs. Watch thermal design: sustained 70 MIPS operation plus PWM switching loads keeps the die warm inside sealed robot housings, so prefer the E-grade variant (-40C to +125C) where ambient temperatures exceed 85C.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EP512MU810T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EP512MU810-I/PT | DSPIC33EP256MU810T-I/PF | DSPIC33EP256MU810T-E/PT | DSPIC33EP512MU814-I/PT | DSPIC33EP512MU811-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-TQFP (12x12 mm) | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same | 100-TQFP (12x12) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS | 16-bit, 70 MIPS |
| Flash Memory | 512KB (170K x 24) | 512KB (170K x 24) | 256KB (85K x 24) | 256KB (85K x 24) | 512KB (170K x 24) | 512KB (170K x 24) |
| USB / CAN | USB device + 2x CAN | USB device + 2x CAN | USB device + 2x CAN | USB device + 2x CAN | USB device, CAN config differs | USB device, reduced peripherals |
| Operating Temperature | -40C to +85C (I grade) | -40C to +85C | -40C to +85C | -40C to +125C (E grade) | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel (T) | Tube/Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Full 512KB Flash on the 100-pin MU family footprint (vs DSPIC33EP256MU810T-I/PF)
- Industrial temperature range at standard cost (vs DSPIC33EP256MU810T-E/PT)
- Complete dual-motor peripheral set (vs DSPIC33EP512MU811-I/PT)
Design Notes
The dsPIC33EP512MU810 requires a 3.0V to 3.6V supply with local decoupling on every VDD/VSS pin pair - place 100 nF X7R ceramics within 2-3 mm of each pin pair plus at least one bulk 10 uF capacitor. The internal regulator requires its specified external capacitor per the datasheet reference design; omitting it causes brown-out resets at 70 MIPS operation. Sequence 3.3V monotonically; slow ramps can leave the PLL latched in an invalid state requiring a power cycle.
For motor-control layouts, keep the ADC analog inputs routed away from PWM gate-drive traces; use the datasheet's recommended analog ground plane split and place an RC anti-alias filter (e.g., 1 kOhm / 1 nF) on current-sense inputs ahead of the 32-channel ADC. The 100-TQFP thermal pad is not present, so dissipate heat through the 12x12 mm body into a 2-oz copper ground pour. Route USB D+/D- as a 90-Ohm differential pair with length matching under 1 mm.
Peripheral pin select (PPS) on dsPIC33E means a wrong RPINR/RPOR register mapping silently disconnects UART or CAN - verify against the pin tables for the MU810 specifically, since MU814/MU811 pin functions differ. Flash self-write operations stall the pipeline; place bootloaders in dedicated Flash pages and disable interrupts during row writes. Configure CONFIG bit settings (OSC, watchdog, code protection) at programming time and audit them in production hex files to avoid field failures from default oscillator settings.
Compliance Information
Distributor data (icdirectory.com) confirms Lead Free, RoHS Compliant, and no REACH SVHC. Not radiation hardened. AEC-Q100 qualification not stated in provided data.
