DSPIC33EV256GM102-I/SP Microchip dsPIC33EV 16-Bit Digital Signal Controller 40MIPS 256KB Flash CAN Motor Control PWM QEI SPDIP-28

DSPIC33EV256GM102-I/SP Product Overview

The DSPIC33EV256GM102-I/SP from Microchip is a high-capacity 16-bit Digital Signal Controller (DSC) in a 28-lead SPDIP through-hole package, designed for embedded applications requiring 5V operation, CAN bus communication, precision motor control, and easy manual assembly. Based on the dsPIC33E core running at 40 MIPS, the DSPIC33EV256GM102-I/SP features 256KB of Flash and 16KB of SRAM, effortlessly hosting extremely complex Field-Oriented Control (FOC), sensorless algorithms, and CAN communication stacks with top-tier memory headroom for feature expansion and field upgrades. Core motor-control peripherals of the DSPIC33EV256GM102-I/SP include three complementary high-speed PWM outputs with programmable dead-time and fault protection, one Quadrature Encoder Interface (QEI), four input captures, and four output compares. The high-precision analog front-end of the DSPIC33EV256GM102-I/SP boasts a 12-bit high-speed ADC (up to 1.1 Msps, up to 6 analog input channels), two analog comparators, and two 10-bit DACs, providing a powerful single-chip solution for precision current/voltage sensing and signal conditioning. The DSPIC33EV256GM102-I/SP also integrates a CAN 2.0B (ECAN) controller along with UART, SPI, and I2C interfaces. Operating from a wide 4.5V to 5.5V supply with an industrial temperature range of -40°C to +85°C, the SPDIP-28 through-hole package of the DSPIC33EV256GM102-I/SP is excellent for breadboard prototyping, manual soldering, and educational use while delivering 5V logic levels and massive memory—making the DSPIC33EV256GM102-I/SP ideal for single-axis servo drives, BLDC/PMSM controllers, automotive electronics, and industrial sensor applications requiring top-tier DSP performance and through-hole assembly.

DSPIC33EV256GM102-I/SP Core Features

Processor Core: The DSPIC33EV256GM102-I/SP features a 16-bit dsPIC33E core running at 40 MIPS, with a DSP-enhanced instruction set (single-cycle MAC)

Program Memory: The DSPIC33EV256GM102-I/SP provides 256KB Flash, In-Circuit Self-Programmable

Data Memory: The DSPIC33EV256GM102-I/SP includes 16KB SRAM, providing top-tier storage for complex control algorithms and real-time data buffering

Motor Control PWM: The DSPIC33EV256GM102-I/SP offers 3 complementary PWM pairs with programmable dead-time, fault protection, and high-resolution duty-cycle control

Quadrature Encoder Interface (QEI): The DSPIC33EV256GM102-I/SP includes 1 QEI module for high-precision position and speed feedback

CAN Bus: The DSPIC33EV256GM102-I/SP integrates a CAN 2.0B (ECAN) controller for industrial fieldbus or automotive network connectivity

High-Precision Analog Front-End: The DSPIC33EV256GM102-I/SP features a 6-channel 12-bit ADC (1.1 Msps), 2 analog comparators, and 2x 10-bit DACs

Communication Interfaces: The DSPIC33EV256GM102-I/SP supports 1x UART, 1x SPI, and 1x I2C

Signal Processing & Timers: The DSPIC33EV256GM102-I/SP includes 4x input capture, 4x output compare, and multiple 16/32-bit timers

Safety & System Management: The DSPIC33EV256GM102-I/SP includes a hardware CRC engine, watchdog timer, and BOR/POR

Power & Package: The DSPIC33EV256GM102-I/SP operates from a 4.5V to 5.5V wide supply, in SPDIP-28 (300 mil narrow body), industrial temperature range -40°C to +85°C

DSPIC33EV256GM102-I/SP Applications

Industrial Motor Drives: The DSPIC33EV256GM102-I/SP excels in single-axis servo drives, BLDC, PMSM, and stepper motors

Automotive Electronics: The DSPIC33EV256GM102-I/SP is ideal for electric water/oil pumps, fan control, and CAN network nodes

Industrial Automation: The DSPIC33EV256GM102-I/SP supports distributed CAN control nodes, process control, and sensor concentrators

Digital Power: The DSPIC33EV256GM102-I/SP suits DC/DC converters, inverter front ends, and LED drivers

Prototyping & Education: The DSPIC33EV256GM102-I/SP provides a breadboard-friendly through-hole design with powerful DSP processing capability

General Real-Time Control: The DSPIC33EV256GM102-I/SP suits compact control systems requiring 5V supply and CAN communication

DSPIC33EV256GM102-I/SP Key Advantages

5V Wide-Voltage + Through-Hole Package: The DSPIC33EV256GM102-I/SP's 4.5V to 5.5V supply allows direct interface with 5V sensors and actuators without level shifters; the SPDIP-28 package simplifies manual soldering and breadboard prototyping, ideal for noisy industrial environments and development

Massive Memory Capacity: The DSPIC33EV256GM102-I/SP's 256KB Flash and 16KB SRAM provide extremely generous space for complex FOC algorithms, CANopen stacks, and field-upgradeable firmware, eliminating code-size concerns

High-Precision 12-bit Analog Front-End: The DSPIC33EV256GM102-I/SP's 6-channel 12-bit ADC with on-chip DACs and comparators provides a complete single-chip solution for precision current/voltage sensing, offering 4× finer resolution than 10-bit ADCs

Integrated CAN 2.0B: The DSPIC33EV256GM102-I/SP's on-chip ECAN controller eliminates the need for an external CAN chip, reducing system cost and PCB area for industrial or automotive networking

Powerful Motor Control Peripherals: The DSPIC33EV256GM102-I/SP's three complementary PWM pairs and one QEI can drive a single 3-phase BLDC/PMSM motor, supporting both sensored and sensorless FOC

40 MIPS Efficient DSP Performance: The DSPIC33EV256GM102-I/SP's dsPIC33E core with single-cycle MAC efficiently handles Field-Oriented Control, digital filtering, and real-time communication

Industrial Temperature Range: The DSPIC33EV256GM102-I/SP operates from -40°C to +85°C, ensuring reliable operation in harsh environments

Mature Development Toolchain: The DSPIC33EV256GM102-I/SP is supported by free MPLAB X IDE and XC16 compiler, with motor-control libraries, CAN driver libraries, and MCC for fast development

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FAQ

1. What is the DSPIC33EV256GM102-I/SP?
   The DSPIC33EV256GM102-I/SP is a high-capacity 16-bit Digital Signal Controller (DSC) from Microchip in a 28-lead SPDIP through-hole package, running at 40 MIPS with 256KB Flash, 16KB SRAM, 3 complementary PWM pairs, 1 QEI, CAN 2.0B, a 12-bit ADC, and DACs, supporting wide 5V supply, industrial temperature -40°C to +85°C—ideal for prototyping and through-hole assembly in high-performance control applications.
2. What does the “-I/SP” suffix mean on the DSPIC33EV256GM102-I/SP?
   “-I” indicates the industrial temperature range (-40°C to +85°C), and “/SP” denotes the 28-lead 300 mil narrow-body SPDIP through-hole package of the DSPIC33EV256GM102-I/SP.
3. What are the advantages of the SPDIP package of the DSPIC33EV256GM102-I/SP?
   The SPDIP package of the DSPIC33EV256GM102-I/SP is a through-hole package with 2.54mm lead spacing, making it very easy to hand-solder, breadboard prototype, and use in educational settings, while also suiting low-volume production. It combines ease of use with high performance for 5V applications.
4. What types of motors can the DSPIC33EV256GM102-I/SP control?
   With three complementary PWM pairs and one Quadrature Encoder Interface, the DSPIC33EV256GM102-I/SP can perfectly drive a single 3-phase BLDC, PMSM, or 2-phase stepper motor, supporting both sensored and sensorless FOC.
5. Does the DSPIC33EV256GM102-I/SP have CAN? Does it support CAN-FD?
   The DSPIC33EV256GM102-I/SP integrates a CAN 2.0B (ECAN) controller supporting standard and extended frames. It does not support CAN-FD. Only an external CAN transceiver is needed for industrial or automotive networking.
6. What are the practical benefits of 5V operation for the DSPIC33EV256GM102-I/SP?
   5V operation of the DSPIC33EV256GM102-I/SP allows direct interface with common 5V analog and digital peripherals without external level shifters. In industrial environments, 5V signals typically offer better noise immunity while also simplifying power supply design and reducing system cost.
7. What are the advantages of 256KB Flash and 16KB SRAM on the DSPIC33EV256GM102-I/SP?
   This is the top-tier memory configuration in the series, comfortably hosting extremely complex control algorithms, CANopen stacks, user interface code, and field-upgradeable firmware on the DSPIC33EV256GM102-I/SP, providing exceptionally generous headroom for full-lifecycle feature expansion.
8. What are the advantages of the 12-bit ADC and DACs on the DSPIC33EV256GM102-I/SP?
   The 6-channel 12-bit ADC of the DSPIC33EV256GM102-I/SP provides 4× finer resolution than 10-bit, enabling precise motor phase current and voltage measurement. The two on-chip 10-bit DACs provide flexible reference setting or slope compensation, greatly saving external analog chips and reducing system cost and PCB area.
9. What development tools are supported for the DSPIC33EV256GM102-I/SP?
   The DSPIC33EV256GM102-I/SP is supported by Microchip's free MPLAB X IDE and MPLAB XC16 compiler, along with PICkit or ICD series debuggers, MPLAB Code Configurator (MCC), motor-control libraries, and CAN driver libraries for rapid development.
10. Is the DSPIC33EV256GM102-I/SP suitable for new designs?
    The DSPIC33EV256GM102-I/SP is a mature, reliable high-end motor-control DSC combining 5V operation, 12-bit ADC, CAN, massive memory, and an easy-to-solder SPDIP through-hole package. For new designs requiring through-hole assembly, 5V interfaces, and abundant code space, the DSPIC33EV256GM102-I/SP is a highly cost-effective choice with long-term availability.