DSPIC33EV256GM102-I/SP - 16-bit 70 MIPS 5V DSC | Microchip
MPN: DSPIC33EV256GM102-I/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.62 | $4.62 |
| 10 | $4.18 | $41.80 |
| 100 | $3.75 | $375.00 |
| 500 | $3.42 | $1,710.00 |
| 1,000 | $3.1 | $3,100.00 |
DSPIC33EV256GM102-I/SP Overview
A digital signal controller combines the computational architecture of a digital signal processor with the peripheral set and ease of use of a microcontroller. Within the embedded hierarchy, the dsPIC33EV sits between general-purpose MCUs and dedicated DSPs, offering a DSP engine (barrel shifter, multiply-accumulate, modulo and bit-reversed addressing) while retaining Microchip's familiar peripheral ecosystem. The dsPIC33EV256GM102 is the top-memory member of the 28-pin GM10x subfamily.
Key features include the 5V-tolerant dsPIC DSC core operating at up to 70 MIPS, 256 KB of Error-Correcting Code (ECC) Flash for functional-safety-oriented designs, four DMA channels that move data without CPU intervention, and seven timers. On-chip analog and mixed-signal peripherals include op amps, high-resolution PWM, and SENT support, targeting motor control and sensing nodes directly.
The architecture pairs the DSP engine with flexible Peripheral Pin Select (PPS), letting engineers remap digital peripherals to available RPn pins - a significant advantage in 28-pin layouts where board routing is constrained. Integrated CAN makes the part directly suitable for in-vehicle and industrial fieldbus nodes.
Typical applications span appliance motor control (BLDC/PMSM drives), automotive body and powertrain auxiliaries, industrial sensing with SENT-output sensors, power supplies and digital power conversion, and CAN-networked embedded nodes in harsh 5V environments.
When designing with this device, budget for the DSP core supply requirements and use the ECC Flash status flags in your safety monitor loop; the 5V tolerance simplifies interfacing with legacy 5V sensors, eliminating level shifters.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet. Pricing shown is as of 2026-09-26.
Drop-in alternatives for DSPIC33EV256GM102-I/SP — 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 DSPIC33EV256GM102-I/SP (same form factor and footprint) — differing in Package, RAM, Core Architecture, Operating Temperature, Flash Program Memory.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC33EV256GM102-H/SP
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC33EV128GM102-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.13 / Unit
View Datasheet →DSPIC33EV64GM102-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV32GM102-I/SP
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.98 / Unit
View Datasheet →DSPIC33EV256GM002-I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC33EV256GM102-I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC DSC (CMOS) |
| Maximum CPU Speed | 70 MIPS |
| Program Memory (Flash) | 256 KB (ECC Flash) |
| RAM | 16 KB (16384 words) |
| Operating Voltage | 5 V family (3.0 V to 3.6 V or 3.0 V to 5.5 V per family datasheet) |
| Package | 28-pin SPDIP (SP) |
| Operating Temperature | -40C to +85C (I grade) |
| DMA Channels | 4 |
| Timers | 7 |
| External Interrupts | 3 |
| DSP Engine | Barrel shifter, MAC, modulo/bit-reversed addressing |
| Communications | CAN, UART, SPI, I2C |
| Special Peripherals | Op amps, high-resolution PWM, SENT, Peripheral Pin Select |
| Mounting Type | Through Hole |
| Programming Interface | ICSP (ICSPCLK/ICSPDAT, multiple PGECx/PGEDx pairs) |
DSPIC33EV256GM102-I/SP 28-pin spdip (sp) Pin Configuration Guide
Pin configuration for DSPIC33EV256GM102-I/SP (28-pin spdip (sp) 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 DSPIC33EV256GM102-I/SP.
Refer to the datasheet for full pin configuration.
Typical Applications
DSPIC33EV256GM102-I/SP is suitable for 6 applications: Appliance Motor Control, Automotive Body and Auxiliary Nodes, SENT Sensor Interfaces, Industrial Sensing and Control, Digital Power Conversion, CAN-Networked Embedded Nodes.
Appliance Motor Control
The DSPIC33EV256GM102-I/SP is a strong fit for BLDC and PMSM motor drives in appliances such as washing machines, refrigerators, and HVAC blowers. Its high-resolution PWM provides the fine duty-cycle resolution needed for quiet, efficient commutation, while the on-chip op amps condition shunt-resistor current feedback without external amplifier ICs. The 5V-tolerant I/O interfaces directly with hall sensors and legacy appliance circuitry, and the 70 MIPS DSP core executes field-oriented control (FOC) loops with headroom. Per Microchip's product positioning, the dsPIC33EV family is explicitly designed for harsh appliance environments, and ECC Flash protects control code over years of compressor or drum cycling.
Recommended
Automotive Body and Auxiliary Nodes
In automotive auxiliary electronics - seat controllers, pump drivers, lighting modules - the DSPIC33EV256GM102-I/SP offers the 5V robustness and CAN connectivity that 3.3V-only MCUs lack. The integrated CAN peripheral implements in-vehicle communication without an external controller, and 5V-tolerant pins survive load-dump-adjacent transients better when paired with standard external protection. The 256 KB ECC Flash accommodates large control logic plus bootloaders supporting field updates. According to Microchip, the dsPIC33EV family targets automotive applications in harsh environments. Engineers should confirm the AEC qualification grade of their sourced batch against program requirements before design win.
Recommended
SENT Sensor Interfaces
The DSPIC33EV256GM102-I/SP natively decodes SENT (SAE J2716) sensor output, making it ideal for industrial and automotive sensor-interface nodes reading throttle-position, pressure, or level sensors. The dedicated SENT peripheral offloads frame decoding from the CPU, while the 70 MIPS core performs the linearization, filtering, and plausibility checks. The 16 KB RAM buffers signal history for diagnostics, and ECC Flash secures calibration tables. Because SENT is a 5V-signaled single-wire protocol, the dsPIC33EV's 5V I/O directly matches sensor signal levels - no level shifting. This makes a compact single-chip sensor hub in the 28-pin SPDIP footprint for through-hole industrial boards.
Recommended
Industrial Sensing and Control
For industrial controllers and sensor conditioning in electrically noisy 24V environments, the DSPIC33EV256GM102-I/SP combines the 70 MIPS DSP engine with on-chip op amps for signal conditioning of bridge and shunt sensors. Four DMA channels stream ADC samples to the 16 KB RAM without CPU overhead, keeping control loops deterministic. The Peripheral Pin Select feature lets engineers route UART, SPI, and PWM to whichever pins survive the board layout - a real advantage in retrofit through-hole designs. ECC Flash protects firmware integrity across years of continuous operation, and the -40C to +85C industrial grade covers unconditioned factory floor cabinets.
Recommended
Digital Power Conversion
Switching power supplies, PFC stages, and battery chargers benefit from the DSPIC33EV256GM102-I/SP's high-resolution PWM and DSP core. The fine PWM resolution supports constant-current/constant-voltage loops with tight regulation, and the 70 MIPS rate allows execution of compensator math well above typical control-loop frequencies. On-chip op amps amplify shunt currents for cycle-by-cycle limiting, and the 5V core logic simplifies gate-drive interfacing compared with 3.3V controllers. The 256 KB Flash leaves ample room for multi-protocol charging state machines plus a bootloader. ECC Flash adds resilience for power products with 10+ year service expectations.
Recommended
CAN-Networked Embedded Nodes
Distributed nodes in factory automation, agriculture, and marine systems use the DSPIC33EV256GM102-I/SP as a single-chip CAN endpoint with local control intelligence. The integrated CAN peripheral - combined with MCP2551-family transceivers - delivers a complete fieldbus node in one DIP package suited to prototyping and low-volume production. The 70 MIPS core handles local I/O scanning and protocol stacks concurrently, and four DMA channels keep UART and ADC traffic off the CPU. Because the core runs at 5V, interfacing to legacy industrial I/O modules and sensors requires no level translation, reducing BOM count in harsh-environment installations.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC33EV256GM102-I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC33EV256GM102-H/SP | DSPIC33EV128GM102-I/SP | DSPIC33EV64GM102-I/SP | DSPIC33EV32GM102-I/SP |
|---|---|---|---|---|---|
| Package | 28-SPDIP | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB (ECC) | 256 KB (ECC) | 128 KB (ECC) | 64 KB (ECC) | 32 KB (ECC) |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| Temperature Range | -40C to +85C (I) | Higher grade (H) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Core Voltage Class | 5 V robust family | 5 V | 5 V | 5 V | 5 V |
Key Differentiators
- Full 256 KB ECC Flash in the 28-pin package (vs DSPIC33EV128GM102-I/SP)
- Industrial temperature grade availability (vs DSPIC33EV256GM102-H/SP)
- On-chip op amps vs reduced-analog variant (vs DSPIC33EV256GM002-I/SP)
Design Notes
On the 28-pin SPDIP through-hole footprint, keep the ICSP programming header (ICSPCLK/ICSPDAT plus MCLR, VDD, VSS) routed to a standard 5-pin header even in production boards. Per NorthernSoftware documentation, the device has multiple PGECx/PGEDx pairs and you must use them as matched pairs - if PGEC2 carries ICSPCLK, ICSPDAT must connect to PGED2. Mixing pairs from different sets is a common bring-up failure. Decouple each VDD pin with 100 nF close to the pin.
The dsPIC33EV family operates from a 5V supply but also supports 3.0V-3.6V operation per the family datasheet DS70005144H - confirm which operating-voltage range your design targets, because maximum CPU speed and analog performance specifications differ between ranges. For 5V designs interfacing to 3.3V peripherals, note that I/O tolerances are asymmetric; check pin-level 5V tolerance tables in the datasheet rather than assuming universal tolerance on all digital and analog pins.
Peripheral Pin Select (PPS) is flexible but error-prone: per the family datasheet, RPn/RPIn pins can be used by any remappable peripheral with some documented limitations. Lock your PPS mapping early in firmware development and verify no two peripherals claim the same RPn pin. Also remember ECC Flash adds slight write-time overhead - size your bootloader timeout accordingly, and use the ECC error flags in a periodic self-test if your application has safety requirements.
Compliance Information
Compliance data must be confirmed from the official Microchip product page material declarations for this exact MPN; not stated in the provided verified web data.
